Updated Rules for 2012 will be posted soon -- the only changes are for the V-8 Antique Tractors and General Rules clarifications.
Northwest General Rules
1. No consumption of alcoholic beverages in the track or pit area. Anyone believed to be a potential
safety hazard will be barred. Failure to observ the rules will result in removal from the track or pit
area with no refund of entry fee.
2. All contestants must be sixteen (16) years old with written parental or guardian consent through
the age of eighteen (18). Minimum twelve (12) years old for stock tractors.
3. Judges have the right to re-weigh any tractor/truck and/or re-check the rpm limit anytime during
or after the pull.
4. The tractor/truck tires must remain within the boundaries of the contest course. If a vehicle is legal
when hooked to the sled and breakage occurs under the green flag, the pull will be measured,
with the exception of loss of weights or safety equipment.
5. Contestants have seventy-five (75) feet to decide on change of gears (only one restart per hook).
Restart is permitted in a pull-off. Each competitor has 3 minutes from time of sled set, to hook to
the sled and be prepared to pull.
6. Driver must remain seated and have control of the tractor/truck at all times. Driver is to keep all
body parts inside of vehicle at all times. No looking in mirrors.
7. Tractor/truck must be stopped immediately on signal from track judge. Pull is considered over
when forward motion of load stops. No hole digging.
8. All tractors/trucks must be in neutral or park while being hooked and unhooked.
9. First puller in each class is the test puller and may take the pull if weight transfer is correctly set,
or he may immediately take his second pull, or he may pull in sixth position. Sixth position is
defined as the position immediately following the next five (5) scheduled competitors.
a. When the sled needs adjustment, the first puller of the class has the option to come back
and be the test puller. If he chooses not to be the test puller, he will pull in sixth position
then the next puller has the option of being the test puller.
b. All decisions on re-pulls must be made before the vehicle leaves the track. If the track official
is not notified of the competitors intent to re-pull, then the competitors original pull will
stand.
10. Each contestant may spot the sled for the first hook in each class. Contestant must notify a track
official before the sled is back to the starting line. Track officials have the final decision in all
matters.
11. All contestants must pull in position drawn within three minutes of sled spotting or they will be
disqualified. Track judges must be notified of any delay. Then contestant will be last puller in the
class.
12. All pulls must start with a tight hitch. No jerking.
13. All vertical clevises/hitches will be measured to the center of the hole. Not to exceed the
maximum height of 26” for trucks and 20” for tractors.
14. Violation of any rule results in an automatic disqualification. Track judges reserve the right to stop
and disqualify any tractor/truck not being operated in a safe manner.
15. Any driver arguing with a track official or event personnel is subject to immediate disqualification.
All decisions of the track officials will be final at each pull. Any protest will be settled at the next
club meeting.
16. Only one (1) registered driver per vehicle per class.
17. No pre-registration. Vehicle must be on the grounds to be registered.
18. No other entries will be taken after ½ of the class has pulled.
19. Weighing procedures: Official weight of the competing vehicle shall be defined as being the
weight of the vehicle, which must include driver of the vehicle, vehicle with oil, water, and fuel
and be “ready to compete”.
a. All competing vehicles entered in a class must be officially weighed prior to the start of that
class.
b. No vehicle will be allowed past the scales that exceeds class weight.
c. No adding fuel or weights unless re-weighing.
d. Weighing out to be at the discretion of the track judge.
20. Weights - An area 5" wide and 12" high immediately above the drawbar must be free of all
obstructions (including weights, wheelie bars, and second drawbar) for ease of hooking and
unhooking. In all divisions at the hitching point, the hook point will be a 3" opening with 3 1/2"
clear area from front of the hole to the rear of the drawbar.
21. All contestants must wear helmets minimum of D.O.T. approved in all classes.
22. No riders in or on any vehicles while in the pit area or track to include tow vehicles and
competing vehicles. When the pulling vehicles motor is running the driver must be in the driver’s
seat, NO EXCEPTIONS!
23. Protest Procedure:
a. Protest fee will be $500.00 CASH before the actual tear down. The protest fee will go
to the competitor if found legal.
b. Any vehicle that is protested and found illegal, or is refused tear down by the
competitor,CANNOT compete in any class for a period of one (1) year and one (1) pull.
c. Inspection (tear down) will be done by whatever procedure deemed necessary by the
track judges.
d. The tear down will be done in some kind of protected environment. Only track judges
and owners or helpers are permitted near the vehicle.
e. If the vehicle is found to be legal, the club will try to help the person get home.
f. Protest procedures apply to all classes.
24. Northwest Pullers Association reserves the right to inspect and determine the legality of any
vehicle or vehicles.
a. Inspection will be done at the discretion of the track judges.
b. Inspection will be visual, and at the discretion of the senior track judge, can include the use
of a cubic inch pump. If a cubic inch pump is used, a minimum of the top three (3) vehicles
in a class will be pumped or a minimum of three (3) vehicles will be used if chosen for
pumping by random luck of the draw.
c. Fuel sampling can be done in the same way as the use of the cubic inch pump in rule 24B.
d. If any vehicle is found to be illegal after a pull by officials or tech inspectors, this vehicle
and driver will be disciplined by Northwest Pullers Association to include loss of points and
prize money from the event, and may be suspended by the Northwest officials for one (1)
year and one (1) pull after a review by the executive board.
25. All competitors agree upon entry into a pull, to be bound by all Northwest Pa Truck and Tractor
Pullers Association Inc. rules.
26. Exhibition Pulls: All exhibition pulls must be approved by track officials and promoter. If safety is a
factor, vehicle will not be allowed to hook.
27. There will be one vote per competing vehicle on the rules for that class. Revisions/changes will be
discussed and agreed upon by the class prior to the November Rules meeting. The 2 class policing
representatives will take the revisions/changes to the Executive Board prior to the November Rules meeting.
If the Executive Board has no objections then the revisions/changes will be voted upon at the next meeting
by the class members.
28. The policing of a class will be conducted by two representatives from each class. One representative will be
appointed by the members of the class. The second representative will be appointed by the Executive Board.
If no resolution can be reached by the two representatives, they will take the matter to the Competition
Director. If the Competition Director cannot resolve the matter then the matter will be taken to the Executive
Board for final resolution.
NORTHWEST PA TRUCK AND TRACTOR PULLERS ASSOCIATION, INC. WILL CONSULT NTPA & PPL SAFETY RULES IF NOT SPECIFIED IN OPERATION OF CONTEST.
Northwest Pure Street Gas 4x4 Truck
1. a. All vehicles must have a current license plate in place and have current registration for serial number of vehicle.
b. All Pennsylvania licensed trucks must have current inspection.
c. All items must OEM stock unless otherwise stated in these rules.
2. a. No street stock vehicle can exceed 6500 pounds including the driver.
b. No weight brackets or hanging weights allowed on front of vehicles.
c. Weights must be in cargo area only and be securely fastened or contained safely therein.
d. No weights allowed in cab or under hood.
e. Any loss of weight or external parts while hooked to the sled will be cause for disqualification of the pull (excludes internal
breakage).
f. Factory bumpers or no bumper.
g. No weighted front-end accessories of any possible kind.
h. Any object that can be considered added ballast must also be in the cargo area.
i. No hidden ballast of any kind in any location.
j. Factory O.E.M Brush guard, snow plow brackets are permitted. (NO HOMEMADE)
3. a. Hitch must extend beyond rear of truck and be easily accessible for person hooking to sled. No pulling hitch, must have a
“Reese” style hitch or pull from the bumper.
b. Puller must provide his/her own hitching device or clevis with a minimum 3 3/4- inch opening.
c. No pintle type hitches, chain hitches, ball hitches or any device pulling from rear end housing.
d. Hitch must be rigid in all directions.
e. Maximum is 26 inches from top of hitching point parallel to ground.
f. Any vertical clevis will be measured to center of loop.
4. a. Any street legal D.O.T. approved tire can be used with tread width a maximum of 10 inches wide measured at tread shoulder by
35 inches high or 12.50 x 35 as stamped.
b. No studded tires, cuts or modifications allowed.
5. a. Engine must be factory produced for 4 x 4 trucks.
b. No aluminum intakes unless factory O.E.M.
c. 93 or below pump Gasoline only.
d. Electric fuel pumps allowed.
e. No headers allowed.
f. All exhaust must exit through a muffler and exit body.
6. a. Body of truck must be complete with windshield and all other glass in place.
b. If open top, must have roll bar and windshield.
c. Vehicle must have bed in place.
d. Wooden flat beds are permitted, but must have bed and fenders to cover rear wheels.
7. a. Stock suspension must be in place.
b. No solid suspension or traction bars.
c. No rear suspension blocks.
d. No suspension modifications of any kind.
8. Brakes must be in place and in working order.
9. a. This class is designed for stock vehicles that are regularly driven on the street. No haul ins will be permitted!!
b. All trucks will be inspected prior to class.
c. Any truck in question of being legal will be inspected by rule committee personnel and decided on the board of directors.
d. We reserve the right to pump any truck in question.
10. All rules to be interpreted by officials. Any unforeseen problems or oversights will be ruled on by officials on sight. All
general and safety rules apply. All rulings will be final. Officials reserve the right to allow or disallow a truck to compete
on the basis of any safety concern or infraction.
11. Any driver arguing with a track official is subject to immediate disqualification. All decisions of the track official
will be final at each pull. Any protests will be settled at the next club meeting.
REVISION TO 2011 RULES VOTED AND APPROVED JANUARY 11, 2011
2011 PURE STREET STOCK DIESEL 4X4
1. a. All vehicles must have a current license plate in place and have current registration for serial number of vehicle.
b. All Pennsylvania licensed trucks must have current inspection.
c. All items must OEM stock unless otherwise stated in these rules.
2. a. No street stock diesel vehicle can exceed 8000 pounds including the driver.
b. No weight brackets or hanging weights allowed on front of vehicles.
c. Weights must be in cargo area only and be securely fastened or contained safely therein.
d. No weights allowed in cab or under hood.
e. Any loss of weight or external parts while hooked to the sled will be cause for disqualification of the pull (excludes internal
breakage).
f. Factory bumpers or no bumper.
g. No weighted front-end accessories of any possible kind.
h. Any object that can be considered added ballast must also be in the cargo area.
i. No hidden ballast of any kind in any location.
j. Pipe, tube, brush guard, channel iron, or any other conceivable style of front bumper is not permitted.
k. No snow plow brackets, snow plow receiver brackets, or weight bar receiver brackets of any kind.
3. a. Hitch must extend beyond rear of truck and be easily accessible for person hooking to sled. No pulling hitch, must have a
“Reese” style hitch or pull from the bumper.
b. Puller must provide his/her own hitching device or clevis with a minimum 3 3/4 inch opening.
c. No pintle type hitches, chain hitches, ball hitches or any device pulling from rear end housing.
d. Hitch must be rigid in all directions.
e. Maximum is 26 inches from top of hitching point parallel to ground.
f. Any vertical clevis will be measured to center of loop.
4. a. Any street legal D.O.T. approved tire can be used with tread width a maximum of 10 inches wide measured at tread shoulder by
35 inches high or 12.50 x 35 as stamped.
b. No studded tires, cuts or modifications allowed.
c. Factory dual wheels are permitted.
5. a. Engine must be factory produced for 4 x 4 trucks.
b. No aluminum intakes unless factory O.E.M.
c. Diesel fuel only.
d. All exhaust must exit through a muffler and exit body.
6. a. Body of truck must be complete with windshield and all other glass in place.
b. If open top, must have roll bar and windshield.
c. Vehicle must have bed in place.
d. Wooden flat beds are permitted, but must have bed and fenders to cover rear wheels.
7. a. Stock suspension must be in place.
b. No solid suspension or traction bars.
c. 2 inch rear suspension blocks.
d. No suspension modifications of any kind.
e. Traction bars are permitted.
8. Brakes must be in place and in working order.
9. a. Stock diesel engine and factory equipped turbos allowed.
b. No add on or after market turbos allowed.
10. TWO performance upgrades are allowed such as:
a. Air intake
b. Chip/programmer
c. Bigger injectors
d. Stacks, or
e. Inner cooler
11. a. This class is designed for stock vehicles that are regularly driven on the street. No haul ins will be permitted!!
b. All trucks will be inspected prior to class.
c. Any truck in question of being legal will be inspected by rule committee personnel and decided on by the board of directors.
d. We reserve the right to pump any truck in question.
12. Any driver arguing with a track official is subject to immediate disqualification. All decisions of the track official will be final at
each pull. Any protests will be settled at the next club meeting.
All rules to be interpreted by officials. Any unforeseen problems or oversights will beruled on by officials on sight. All
general and safety rules apply. All rulings will be final. Officials reserve the right to allow or disallow a truck to compete
on the basis of any safety concern or infraction.
REVISION TO 2011 RULES VOTED AND APPROVED JANUARY 11, 2011
2011 Northwest Performance Street 4x4 (gas)
Licensing – All vehicles must have a current license plate in place. PA licensed trucks must have a current
inspection sticker. Proof must be shown of ownership, insurance, and inspection.
Weight – 6300 lbs.
1. All added ballast must be in bed and secure. Any object that can be considered ballast must also be in the bed.
No hidden ballast of any kind in any location.
2. No weight brackets or hanging weights on front end.
3. Factory front bumper only or no bumper. Pipe, tube, brush guard, channel iron or any other conceivable style of
front bumper is NOT PERMITTED.
4. No weighted front-end accessories of any possible kind.
5. No snowplow brackets, snowplow receiver brackets, or weight bar receiver brackets of any kind.
6. All non-competing points members are exempt from having snowplow brackets, brush guards, or any accessories
up front at the discretion of the tech inspector.
Hitch – 1.Adjustable hitch, no less than 35% of wheelbase, stationary in all directions.
2. Puller must supply his or her own clevis and pin and be ready to pull. 3 ½” I.D. minimum diameter
on all hitches.
3. 26” Maximum hitch height.
Tires – 1. 10 inch overall tread width, or 12.50" X 35" as stamped, D.O.T. approved.
2. No modifications to tires.
3. No dual wheels, no split rims, studded tires, or chains.
Engine – 1. Must be Factory OEM manufactured engine for make of pick-up truck.
2. Engine must remain in stock location.
3. Engine must be factory production maximum 480 c.i.
4. One (1) single four-barrel carburetor- no more than 850 CFM.
5. One (1) inch maximum spacer plate under carburetor only.
6. Dual plane one (1) piece aluminum intake- no modifications.
7. Heads- cast iron stock production OEM heads only- no alterations except for planning.
8. Cam- Any hydraulic cam.
9. Wet sump oiling of OEM design.
10. Exhaust- Must be in place. Headers permitted. All exhaust must exit through a muffler and exit the
body.
11. Fuel- Gasoline only. No alcohol, nitro, nitrous oxide or other oxygen accelerators.
Truck 1.Vehicle must have a bed in place. Wooden flatbeds are permitted, but must have sides and fenders to
cover rear wheels.
2. Truck cab and chassis must match.
3. Glass- All windows must be in place. Windshield and driver’s side may not be smoked glass.
4. Transmission, transfer case, front & rear differentials must be OEM and available in one ton
(or smaller) pickup truck.
Suspension:
1. Stock suspension must be in place.
2. No solid suspension.
3. No suspension modifications of any kind. No traction bars, ladder bars, stabilizer bars, blocked,
welded, or solid shocks, or any other non-stock modification of any kind.
4. Rear suspension blocks are permitted. Rear blocks must be securely fastened with a minimum of
one (1) inch clearance in all directions. Rear blocks are to have a maximum of three (3) inch contact
area. One (1) rear block per side. No spools or welded differentials. Truck must be able to be
driven on and off the track without unlocking the hubs.
5. Spring clamping is permitted. Four (4) clamps per differential in addition to factory installed spring
clamps. Maximum spring clamp width of 4 inches.
6. Two shocks per wheel are permitted. No solid shocks will be permitted.
7. Suspension Lifts are allowed.
8. Brakes- Must be in place and working order.
9. All competitors may be required at registration, to sign a transmission and clutch certificate waiver
stating the competition vehicle meets all safety requirements.
Safety – 1. If engine is not stock, blow-proof bell housing on trucks with standard shift transmission or blow proof
blanket on automatictransmissions are required.
2. No cast iron flywheels allowed.
3. Drive shaft loops required (2 on rear and 1 on front) and shielding recommended.
4. U-Joint shielding on rear u-joint is required.
5. Fire extinguisher in cab is required
6. Seat belts are required.
7. Helmet is required.
8. Kill switches are recommended.
Northwest Performance Street Truck’s are eligible to pull with the Northwest Limited Modified class. All safety
rules must be followed.
Any driver arguing with a track official is subject to immediate disqualification. Alldecisions of the track official will
be final at each pull. Any protests will be settled at the next club meeting.
If more than twenty-five (25) trucks are registered in a class, the Competition Director has the right to waive the 75’ rule. Pullers will be notified before the class starts.
Unless specified everything else must remain factory stock.
Rules will be reviewed as necessary for the betterment of the class.
Northwest reserves the right to pump any truck in question.
All rules to be interpreted by officials. Any unforeseen problems or oversights will be ruled on by officials on sight. All general and safety rules apply. All rulings will be final. Officials reserve the right to allow or disallow a truck to compete on the basis of any safety concern or infraction.
REVISION TO 2011 RULES VOTED AND APPROVED JANUARY 11, 2011
Northwest 2011 Limited Modified 4x4 Truck
1. Weight –6200 lbs
2. Engine – Open factory engine same as manufacturer of the truck. Cast iron block. Cast iron
or aluminum heads. Electric fan and electrical water pump optional. Engine shielding
same as Super Stock Trucks. Engine location, rear of block 12” from center of front
axle plus or minus 1”.
a. Gas engines limited to 540 cubic inches.
b. Alcohol engines limited to 410 cubic inches.
3. Headers – Open headers. Exhaust must exit below the truck with deflection shields or turn
downs, or vertically through the hood.
4. Intake – Aluminum intakes allowed. No tunnel rams. One (1) complete single four- (4)
barrel carburetor only.
5. Drive Shaft Safety Requirements – Same as Super Stock. All trucks must have three (3) round
metal loops shielding in each drive shaft two (2) piece drive shaft will have six (6) metal loops).
360 degree loop must be a minimum of 3/8” thick aluminum, or ¼” steel, ¾” wide (or wider) and
not more than two (2) inches from the shaft in any direction. End loops to be placed no further
than six (6) inches from universal joints, with third loop in center of shaft, or can be a solid
tube (3/8” aluminum or ¼” steel) meeting the above requirements. No cast metal. All trucks will
have a 360 degree metal shield around the universal joints, 3/8” thick aluminum must have 1/8”
steel liner or ¼” thick steel, minimum width six (6) inches.
6. Kill Switch- – Same as Super Stock. Switch must be located in the rear center of the truck
(maximum six (6) inches off center in any direction), 24” above the point of hook.
7. Suspension- – Solid suspension allowed. Traction bars optional, front and rear.
8. Wheelbase- – Any OEM wheelbase.
9. Tires –
a. 31” x 15.50” x 15" Wrangler, omnitrax xtra-trac, terra-trac, or ag tire.
i. The above tires may be cut
ii. 1/2 stagger rule front to rear OR
b. 33” x 12.50” as stamped, D.O.T. approved.
i. No cuts, no hot knife marks or modifications are permitted to these tires. No dual
wheels, chains, studs or stock car tires.
ii. ½ stagger rule applies.
c. No deflector shields front or rear behind the tires.
10. Weights – Front weights permitted. Maximum overall 195” from center of rear axle to
furthermost point of weights, but may not exceed 60” from center of front axle. No
moving front axle from OEM location.
11. Transmissions/Clutches - Single OEM equipped transmissions and transfer case of a one (1)
ton blow proof bell housing or blanket. All competitors may be
required at registration, to sign a transmission and clutch certificate waiver
stating the competition vehicle meets all safety requirements.
12. Safety - Fire suits & helmets required same as Super Stock Truck rules.
13. Hitch- – Full 3 ½”” I.D. loop. 26” maximum height and 27% of wheelbase minimum. Stationary in
all directions. Hitch must be accessible.
14. Fuel -– Gasoline for 540 cubic inch engines or alcohol for 410 cubic inch engines. No oxygen
accelerators.
15. Fuel Tanks- – All fuel tanks must be located in an open area. Fuel tanks may not be located under
hood or in cab, unless factory installed tanks are used. However, factory installed fuel tanks may
be moved to an open area. Must have a manual shut-off at the tank.
16. Electric fuel pump optional, but must be hooked up to the kill switch.
17. Hood modifications for air cleaner/header exits. Body must be steel and panels in place. Must
have firewall, bench seat or one bucket seat, switches optional. Wood and fiberglass beds
are permitted. Any floor or tonneau cover permitted. Driveline must not be visible.
18. Must have working brakes on front. Lights and rear brakes optional.
19. Door has to work. Glass, Plexiglass or lexan allowed. No tinted windows.
20. Fire extinguisher in cab is required. Helmets and seatbelts required.
21. No planetary rear-ends.
22. All trucks will be pumped and checked before they can pull. They will have to provide two (2)
intake bolts with holes of 1/16” to be sealed.
23. Rules will be reviewed every two years.
24. No Northwest Limited Modified 4 x 4 truck is eligible to pull Northwest Performance Street .
However, you can pull with Northwest Super Stock, but you must comply to all Northwest Super
Stock safety rules.
25. Any driver arguing with a track official is subject to immediate disqualification. All decisions of
the track official will be final at each pull. Any protests will be settled at next club meeting.
26. All rules to be interpreted by officials. Any unforeseen problems or oversights will be ruled on by
officials on sight. All general and safety rules apply. All rulings will be final. Officials reserve the
right to allow or disallow a competition vehicle to compete on the basis of any safety concern or
infraction.
REVISION TO 2011 RULES VOTED AND APPROVED JANUARY 11, 2011
Northwest 2011 Super Stock 4x4 Truck
1. Maximum weight of competition vehicle is 6200#.
2. Maximum cubic inch limit is 410 and engine type must match body manufacturer.
3. Any automotive type engine must be limited to a single, four (4) barrel carburetor and splits with mechanical linkage, with only two valves per cylinder and must accept a stock automotive crankshaft. Aluminum aftermarket engine blocks permitted.
4. Fuel injection or any air compressing devices are not permitted.
5. Rear of engine block if moved must be a minimum of twelve (12) inches behind the centerline of the front axle.
6. OEM bore spacing must be retained in engine.
7. Grill must be original position.
8. Truck bodies permitted and must have complete firewall, no fiberglass or plastic bodies unless OEM. OEM frame rails same as manufacturer as truck only permitted.
9. Axle shields are required. Shield to be .060” thickness steel or aluminum. Shield not to be mounted to axle ends or hub bolts. A single hole may be cut in one to allow locking in of hubs.
10. Maximum wheelbase is 134 inches on all Super Stock 4X4 trucks.
11.Maximum tire size to be 112 inches in circumference once tire is inflated to 30psi. The outside edge of
the narrow axle must overlap the centerline of the tire on the wide axle by at least one inch.
12. Clear plexi-glass or factory tint glass permitted.
13. No mud flaps or dirt deflectors will be permitted.
14. No fuel tanks, fuel lines, pressure gauges or pumps allowed in cabs. All hydraulic lines in cab
must be shielded top and sides with a minimum of .060 aluminum.
15. All air or hydraulic suspension systems cannot have hydraulic, air, or electric lines attached to
these devices during competition.
16. Hitch height maximum is to be 26” at point of hook before, during, and after pull. Hitch must be
rigid in all directions and solidly mounted. Pulling point can be no more than 1 ½” from back edge
of drawbar. No clevis, chains, or cables permitted in hitching device. From point of hook to
centerline of rear axle shall be no less than 27% of truck wheelbase. 3 ½” I.D. minimum diameter
on all hitches.
17. All other rules not stated will fall under the PPL Modified 4x4 truck category.
18. All rules to be interpreted by officials. Any unforeseen problems or oversights will be ruled on by
officials on sight. All general and safety rules apply. All rulings will be final. Officials reserve the
right to allow or disallow a truck to compete on the basis of any safety concern or infraction.
19. Any driver arguing with a track official is subject to immediate disqualification. All decisions of the
track official will be final at each pull. Any protests will be settled at the next club meeting.
REVISION TO 2011 RULES VOTED AND APPROVED JANUARY 11, 2011
Northwest 2011 2.6 Diesel 4x4 Truck
The Street Diesel (SD) class is designed for street pickup trucks with a wide variety of performance upgrades. Valid DOT registration and license plates are mandatory. The vehicle may be two or four-wheel drive.
Designations: 2.6 SD
Weight: 8000 lbs. Maximum, with driver.
REGULATIONS:
Ballast: Ballast is permitted. Hanging weights may not extend more than 60 inches from the centerline of the front axle.
Batteries: The batteries must be securely mounted. They may not be located in the driver compartment or forward of the radiator core support.
Body: The body must be an OEM truck body, including the full bed floor. The body must retain full sheet metal. Metal aftermarket hoods are permitted. Fiberglass is prohibited. The hood must be closed and securely latched while the vehicle is hooked to the sled. The complete OEM firewall and complete OEM floor pan is mandatory
Brakes: Four-wheel hydraulic brakes are mandatory.
Chassis: The OEM chassis is mandatory. The engine must be in the OEM location for the body used. The vehicle must retain the full OEM chassis. Wheel tubs, back-half conversions, tube chassis, etc., are prohibited.
Cooling System: Radiators must be in the vicinity of the stock location and be of at least stock size.
Credentials: All drivers must have a valid state drivers license.
Driveline: An OEM transmission and transfer case is mandatory. They must have been an option on a one-ton or smaller pickup.
Driver Restraint System: The OEM restraint system is mandatory and must be worn.
Driveshaft Loops: All trucks must have at least six inch wide u-joint shields around the rear u-joint constructed of at least ¼ inch steel or 3/8 inch aluminum that will safely contain the u-joint and the end of the rear shaft. All shields must be securely mounted to the vehicle. Any front shaft u-joint that is visible from the side of the truck must be shielded to contain the u-joint and the end of the shaft. Northwest will allow a new puller to be granted a one-time waiver of this requirement.
Engine: The engine block must have been available as a factory option on a one-ton or smaller pickup truck. Blocks must circulate coolant freely. Water pumps must be present, but may be powered electrically The use of concrete or other block fillers is prohibited. All factory belt-driven accessories, excluding the air conditioning compressor, must be retained and powered via the crankshaft by a standard serpentine or ‘V’belt. Electric fans are permitted. Aftermarket radiator assemblies are permitted, but must be securely mounted in the same general area as the OEM unit.
NITROUS OXIDE is prohibited along with other oxygen extenders and the use of PROPANE is also prohibited. All system components MUST be removed from the truck.
Exhaust: All vehicles must be equipped to direct exhaust upward. The exhaust must exit rearward of the drivers compartment. Stacks exiting through the hood or fender-well are prohibited. Two 3/8 inch diameter bolts must be installed through the exhaust pipe in a cross pattern within one inch of each other as close to the turbo as is practical.
Fire Extinguisher System: A fire extinguisher system is permitted. It must be securely mounted.
Fuel: The fuel must be pump #1/#2 diesel only. Soy/Bio-diesel fuel is permitted. Off-road diesel fuel is prohibited.
Fuel Injection Pump: The fuel injection pump is limited to a stock-appearing, OEM engine make-specific pump only. Dual high-pressure common-rail fuel pumps or HPOPs are permitted. The P7100 injection pump, if equipped, must utilize a stock-appearing governor.
Harmonic Balancer: All engines turning 4500 RPM and higher must be equipped with a harmonic balancer or damper meeting SFI Spec 18.1. A shield across the frame under the front of the motor shielding the damper and engine fan area is required.
Hitch: The hitch must be a receiver-style hitch; reinforcements are permitted. Reinforcements must not extend forward of the centerline of the rear axle. Trick hitches are prohibited. The hooking point must be the rear-most point on the vehicle and must be rearward of the stock location of the tailgate. The hitch must be horizontal to the ground and stationary in all directions. Bumpers may be notched or removed. The hitch height from the ground may not exceed 26 inches on 4wd units and 30 inches on 2wd units. The hooking point must have a minimum 3.750-inch inside diameter opening for the sled hook. The hooking point will be measured to the center of the clevis loop.
Interior: A complete interior, including dashboard, door panels, headliner, etc., is mandatory. Two matching front seats are mandatory. Aftermarket seats are permitted; they must be fully upholstered. All factory controls (lights, signals, horn, windows, wipers, etc.) must be retained and be operative. The use of hand-throttle controls are prohibited.
Rear End: Non-OEM rear-end housings are prohibited. The rear end must have been an option on a one-ton or smaller pick up. Rear axle bolts must be covered by a cap or shield.
Steering: The vehicle must retain the full, original OEM steering gear. The vehicle must retain the original OEM power steering assistance, if it was so equipped. Additional stabilizers are permitted. Non-OEM power assist methods are prohibited.
Street Equipment: Complete headlight and taillight assemblies (all) are mandatory and must be operative. Complete OEM windshield and windows are mandatory. Windows must be operative per factory specifications; that is, they must open and close via OEM electrical or mechanical means.
Suspension, Front: The factory suspension configuration must be retained. The upper mounting point for strut assemblies must be in the factory location. Adjustable caster/camber pillow ball mounts are permitted. The lower control arm may be strengthened provided factory-mounting points to chassis are maintained. The lower mounting point for the strut assembly may be modified for improved caster or camber. Strut tower braces, lower tie bars, sway bars, and limit straps are permitted. Traction bars and devices are permitted. The final decision rests with the Technical Department.
Suspension, Rear: An OEM-style suspension is mandatory. Traction bars and devices are permitted; they must be bolt on only; welds are permitted for attachment to frame or axle housing. Control arms may be strengthened or replaced, provided all original mounting points are retained. Strut tower braces, lower tie bars, sway bars, limit straps, and camber kits are permitted. The rear suspension may be bolted solid to eliminate travel. All rear suspensions must use at least one working shock absorber per wheel.
Tires: The tires must be DOT street tires. Cut tires are prohibited.
Tow Vehicles: Tow vehicles are prohibited.
Transfer Case: Non-OEM transfer cases are prohibited. It must have been an option on a one-ton or smaller pick up truck.
Transmission, Automatic: Non-OEM transmissions are prohibited. Aftermarket torque converters, valve bodies and internal components are permitted. Transmission brakes are prohibited. Any non-OEM floor-mounted automatic transmission shifter must be equipped with a spring-loaded positive reverse lockout device to prevent the shifter from accidentally being put into reverse gear. A functional neutral safety switch is mandatory. All transmission lines must be metallic or high-pressure-type hose. All vehicles with engines running 4500 RPM or more and using an automatic transmission must be equipped with a transmission shield meeting SFI Spec 4.1 and must be labeled accordingly. A blanket-type shield is permitted; it must be appropriately labeled as meeting SFI Spec 4.1 and it must extend from the rear of the block to the front of tail housing with a minimum six-inch overlap where it is fastened. All non-blanket-type shields must incorporate two (or one, per manufacturers instructions) 3/4 inch by 1/8 inch straps that bolt to the shield on each side and pass under the transmission pan unless the transmission pan is labeled as meeting SFI Spec 4.1. All vehicles with engines running 4500 RPM or more and using an automatic transmission must be equipped with a flex plate meeting SFI Spec 29.1 and be covered
by a flex plate shield meeting SFI Spec 30.1.
Transmission, Manual: Non-OEM transmissions are prohibited. Aftermarket internal components are permitted. A clutch meeting minimum SFI Spec 1.1 or 1.2 is mandatory on all vehicles with engines running 4500 RPM or more. All manual transmissions must be clutch assisted. Sequential shifters are prohibited.All vehicles with engines running 4500 RPM or more and equipped with a manual transmission must have a flywheel shield labeled as meeting minimum SFI Spec 6.3 or greater. Applications for which an SFI Spec flywheel shield is not available may use a properly attached SFI 4.1 or 4.2 blanket that completely covers the bell housing; it must be attached to the block and extend rearward to the transmission with a minimum six inch overlap where it is fastened.
**All competitors may be required at registration, to sign a transmission and clutch certificate waiver stating the competition vehicle meets all safety requirements.**
Turbocharger: The vehicle is limited to a single turbocharger; the inducer bore on the compressor housing may be 2.6”. The inlet will be measured using a 2.65-inch plug or internal calipers. Bushing from any larger turbo size down to a 2.6 turbo is PROHIBITED. A stock map width enhancement (MWE) groove is allowed. No MWE groove will be allowed that has a width greater than 1/4 inch. All provisions allowing air to the wheel other than via the bore and the MWE groove are prohibited. 6.4 liter Power stroke engines may utilize the factory twin-turbo
configuration.Wheels must be in place but not necessarily in factory .
Water Injection: Water injection is prohibited. All system components must be removed from the truck.
Wheelbase: The vehicle must retain the original unaltered factory wheelbase and track width. Front dual-wheel spacers may be used only with accompanying positive-offset dually style wheels.
Any driver arguing with a track official is subject to immediate disqualification. All decisions of the track official will be final at each pull. Any protests will be settled at next club meeting.
All rules to be interpreted by officials. Any unforeseen problems or oversights will be ruled on by officials on sight. All general and safety rules apply. All rulings will be final. Officials reserve the right to allow or disallow a competition vehicle to compete on the basis of any safety concern or infraction.
REVISION TO 2011 RULES VOTED AND APPROVED JANUARY 11, 2011
Northwest Farm Stock Tractor
1. Weight classes are 6000, 8000, 10500, 12500 and 14000 lbs.
2. Contest open to farm tractors with rubber tires. No cut tires, no tire studs or chains permitted. Four wheel drive tractors are permitted if front wheels are disengaged. No dual wheels. All factory wheels must be in place. Maximum tire width is 24.5” in all classes.
3. All weights must be secured to the tractor. No weight may extend more than 24” beyond the forward most point of hood or front tires. No weights permitted on seat or deck. Any weights or external parts lost while hooked to the sled will be cause for disqualification of the pull. No weights to extend past rear of the rear tire.
4. Minimum drawbar length is 18” from the center of rear axle to point of hook up. Drawbar must be stationary in all directions. Maximum height is 20” from top of hitching device parallel to the ground. Any vertical clevis will be measured to center of loop.
5. Drawbar must be equipped with steel hitching device with thickness no less than 1” square or 1-1/8” round stock and no more than 1-1/2” thick square or round stock. A minimum 3” and maximum 3-1/2” diameter hole is required. A cross sectional thickness of 1” square minimum must be maintained at any given point of hitch loop. No bracing above center of rear axle except for complete factory set-up. If above center, it must be cradled.
6. A 3000 R.P.M. limit on all tractors.
7. Turbo must match make and model of tractor or may be no larger than a 3LM 466. The compressor housing will have a maximum of 2.9” I.D. of intake and 2.0” O.D. outlet. The exhaust housing will be no larger than 360 with a maximum outlet of 3.06” I.D.
8. OEM injection pump.
9. Tractors must have working PTO and hydraulics.
10. Tractor must be stock agricultural block with no visual engine modifications. Engine must be of original type or factory replacement. Original hood and grill must be in place. 1957 and newer must have rear fenders.
11. All tractors must be equipped with both rear brakes working. Use of torque converters, automatic shift, etc. is permitted. No industrial tractors or slipper clutches allowed.
12. No foot cross over and no hand control of foot brakes permitted.
13. Tractor must be no more than 1000 lbs. below weight class entered.
14.” Farm stock tractors may pull with the Hot Farm Tractor class. Farm Stock tractors must run farm stock rules.”
Decision from November 10, 2009 minutes.(verbatum)
All rules to be interpreted by officials. Any unforeseen problems or oversights will be ruled on by officials on sight. All general and safety rules apply. All rulings will be final. Officials reserve the right to allow or disallow a tractor to compete on the basis of any safety concern or infraction.
Any driver arguing with a track official is subject to immediate disqualification. All decisions of the track official will be final at each pull. Any protests will be settled at next club meeting.
Northwest V-8 Antique Tractor
1. All contestants enter class at their own risk.
2. Tractors must be made in 1957 or older.
3. Tractors will weigh 6,000 or 6,500 pounds (weight to be announced before pull).
4. Frame must be stock, no extensions, must be stock wheel base. If modifications are made to the frame for
safety during fabrication process, the modifications must be made of steel (no aluminum frame rails).
Modifications are to be made only for safety and must be connected to the stock rear end/transmission
housing. No extensions will be permitted. Must be stock wheel base.
5. Front end may be homemade, but must retain stock wheel base. Must be wide front end.
6. Tractor must be equipped with high back seat.
7. Hood and grill must be in place with stock appearance as per manufacturer.
8. Fuel tank must be in front of grill/radiator.
9. Small block limit of 410 CID, big block limit of 505 CID.
10. RPM Limits: Small block—5,000; Big block—5,000.
11. Maximum of 8 cylinders, no turbos or diesels. Naturally aspirated, no turbines or supercharges.
12. Gasoline only.
13. All engines must have working air cleaner.
14. Engine must be governed by MSD Rev Limiter, no extra plugs permitted at the chip location. Chip must be
easily accessible for insertion of a club chip at the discretion of the officials.
15. All engines must have plastic or electric cooling fans.
16. A single carburetor with a limit of four barrels. No fuel injection.
17. Must have cast iron block and heads.
18. Spark plugs, engine block and harmonic balancer must be shielded.
19. Must have a “dead man” throttle. If the throttle is released, throttle must immediately return to idle.
Carburetor must be equipped with double return spring.
20. Tractor must have working reverse light. Light must be illuminated when tractor is in reverse.
21. Tractor must have neutral start/safety switch.
22. Auxiliary transmission allowed. No automatic transmissions.
23. Maximum tire size: 18.4 x 38, cut tires permitted. No radials.
24. All tractors must have a working kill switch. If tractor is equipped with electric fuel pump, kill switch must also
kill power to the electric fuel pump.
25. Maximum hitch height: 20 inches.
26. Minimum of 18 inches from center of the rear axle to the hitch point. Hitch must have 3 ½ inch hole, 1 inch thickness of hitch plate with 1 inch material from hitch point to rear of plate. No clevis permitted. Drawbars shall be constructed so that in the event of drawbar breakage, the drawbar supports do not pull from a top link or brace above the centerline of the rear axle of the vehicle. Safety officials must be able to easily inspect the drawbar area of the competition vehicle.
27. Safety bars to prevent the tractor from splitting required.
28. Clutch and fly wheel must be shielded 360 degrees by ASFI approved bell housing. All drive shaft couplers or U joints must be shielded 360 degrees by no less than 1/4 inch steel. All competitors may be required at registration, to sign a transmission and clutch certificate waiver stating the competition vehicle meets all safety requirements.
29. Fire extinguisher mandatory.
30. Helmet required. Full fire suit required. Leather boots and gloves (leather or fireproof) required.
31. Seatbelts and roll cage required (full roll cage or T-bar rollover protection).
32. All exhaust must exit vertically at least 1 foot above the top of the hood.
33. Wheelie/anti-tip bars required. Wheelie bars must not be more than 10” from ground. Pad must not be more than 10” off ground; pad must be a minimum of 5” x 5” square. Wheelie bars must support tractor in heaviest class pulled.
34. Must have sled bumpers.
35. Rear weights not to extend greater than 6 inches past the furthest point of the rear tire. Front weight cannot
extend more than 11 feet from the center of the rear axle.
36. Driver must be 18 years of age. 16 – 18 years old permitted with written permission of parent or guardian,
and that parent must be present at the track at time of pull. Permission granted only at the discretion of track
officials.
37. All tractors subject to inspection at all times by officials.
38. All rules to be interpreted by officials. Any unforeseen problems or oversights will be ruled on by officials on sight. All general and safety rules apply. All rulings will be final. Officials reserve the right to allow or disallow a tractor to compete on the basis of any safety concern or infraction.
39. Any driver arguing with a track official is subject to immediate disqualification. All decisions of
the track official will be final at each pull. Any protests will be settled at next club meeting.
40. All tractors must have fenders.
Northwest Modified Tractor
WILL FOLLOW ALL NTPA SAFETY RULES
1. Modified tractors are those using any combination of engine(s), transmission(s), and final drive.
2. No portion of tractor may exceed 14’ forward of the center of the rear wheel.
3. Chassis – Modified tractors that have the frame bolted to the transmission shall also have the frame bolted to the axle housing to prevent splitting
of tractor. The frame must be of sufficient strength that even when the bolts from the plate of the transmission or rear end are removed, the frame
still supports the weight of the tractor in the heaviest class being entered.
4. Driveline/Driveline shielding:
a. No shaft over 48” long allowed. No input or output shaft that attaches to drive shaft may extend more than 4’ beyond a bearing.
b.A minimum of 1”” material between bolt and end of drive shaft shield. A minimum of 1”” material to be in pilot holder at each end of the
drive shaft shield. A minimum of eight (8) 3/8” (grade #8) bolts to hold carrier-bearing assembly if attached to a vertical plate.
5. Tires:
a. Tires no more than 30.5” wide.
b.Rim diameter limited to 32” on tire widths over 24.5””. Note: Width determined by manufacturer size.
6. Engine Limit:
a. Naturally aspirated automotive engines (must be carbureted) up to three engines, not to exceed 2000 cubic inches collectively.
b.No more than two (2) pressurized automotive engines (blowers, turbos, or fuel injected) No cubic inch limit.
c. Turbine limit – 1 at 2300 H.P.; 2 at 1300 H.P. government rating.
d.Other – Truck, aircraft (diesel or Allison) pressurized limit one (1).
7. Modified Open Class: Northwest rules for Modified tractors apply. Pro-Stock, Super Stock, Mod-Stock can enter but must meet Northwest rules.
Farm Stock can enter but must meet Northwest rules.
8.Any driver arguing with a track official is subject to immediate disqualification. All decisions of the track official will be final
at each pull. Any protests will be settled at next club meeting.
9. All rules to be interpreted by officials. Any unforeseen problems or oversights will be ruled on by officials on sight. All general and safety rules apply. All rulings will be final. Officials reserve the right to allow or disallow a competition vehicle to compete on the basis of any safety concern or infraction.
1. Modified tractors are those using any combination of engine(s), transmission(s), and final drive.
2. No portion of tractor may exceed 14’ forward of the center of the rear wheel.
3. Chassis – Modified tractors that have the frame bolted to the transmission shall also have the frame bolted to the axle housing to prevent splitting
of tractor. The frame must be of sufficient strength that even when the bolts from the plate of the transmission or rear end are removed, the frame
still supports the weight of the tractor in the heaviest class being entered.
4. Driveline/Driveline shielding:
a. No shaft over 48” long allowed. No input or output shaft that attaches to drive shaft may extend more than 4’ beyond a bearing.
b.A minimum of 1”” material between bolt and end of drive shaft shield. A minimum of 1”” material to be in pilot holder at each end of the
drive shaft shield. A minimum of eight (8) 3/8” (grade #8) bolts to hold carrier-bearing assembly if attached to a vertical plate.
5. Tires:
a. Tires no more than 30.5” wide.
b.Rim diameter limited to 32” on tire widths over 24.5””. Note: Width determined by manufacturer size.
6. Engine Limit:
a. Naturally aspirated automotive engines (must be carbureted) up to three engines, not to exceed 2000 cubic inches collectively.
b.No more than two (2) pressurized automotive engines (blowers, turbos, or fuel injected) No cubic inch limit.
c. Turbine limit – 1 at 2300 H.P.; 2 at 1300 H.P. government rating.
d.Other – Truck, aircraft (diesel or Allison) pressurized limit one (1).
7. Modified Open Class: Northwest rules for Modified tractors apply. Pro-Stock, Super Stock, Mod-Stock can enter but must meet Northwest rules.
Farm Stock can enter but must meet Northwest rules.
8.Any driver arguing with a track official is subject to immediate disqualification. All decisions of the track official will be final
at each pull. Any protests will be settled at next club meeting.
9. All rules to be interpreted by officials. Any unforeseen problems or oversights will be ruled on by officials on sight. All general and safety rules apply. All rulings will be final. Officials reserve the right to allow or disallow a competition vehicle to compete on the basis of any safety concern or infraction.
Northwest Single Engine Modified Tractor
*** WILL FOLLOW ALL NORTHWEST MODIFIED RULES WITH THE FOLLOWING EXCEPTIONS:
1. Weight Class: - 6200 and 7200 lbs. classes.
2. Engine Limit:
a. Automotive -type cast iron block.
b.Cast iron or aluminum heads. One (1) spark plug per cylinder. Two (2) valves per cylinder.
c. Eight (8) cylinder maximum.
d.Any intakes allowed.
e. Two (2) four-barrel carburetors maximum or fuel injection. Naturally aspirated; no blowers.
f. 540 cubic inch.
g.Spark plug shielding - must cover the plugs to deflect plugs with a minimum of .060 metal.
*** Only class specific vehicles are permitted to compete in this class. No farm, antique, or other modified tractors are permitted.***
Any driver arguing with a track official is subject to immediate disqualification. All decisions of the track official will be final at each pull. Any protests will be settled at next club meeting.
All rules to be interpreted by officials. Any unforeseen problems or oversights will be ruled on by officials on sight. All general and safety rules apply. All rulings will be final. Officials reserve the right to allow or disallow a competition vehicle to compete on the basis of any safety concern or infraction.
1. Weight Class: - 6200 and 7200 lbs. classes.
2. Engine Limit:
a. Automotive -type cast iron block.
b.Cast iron or aluminum heads. One (1) spark plug per cylinder. Two (2) valves per cylinder.
c. Eight (8) cylinder maximum.
d.Any intakes allowed.
e. Two (2) four-barrel carburetors maximum or fuel injection. Naturally aspirated; no blowers.
f. 540 cubic inch.
g.Spark plug shielding - must cover the plugs to deflect plugs with a minimum of .060 metal.
*** Only class specific vehicles are permitted to compete in this class. No farm, antique, or other modified tractors are permitted.***
Any driver arguing with a track official is subject to immediate disqualification. All decisions of the track official will be final at each pull. Any protests will be settled at next club meeting.
All rules to be interpreted by officials. Any unforeseen problems or oversights will be ruled on by officials on sight. All general and safety rules apply. All rulings will be final. Officials reserve the right to allow or disallow a competition vehicle to compete on the basis of any safety concern or infraction.
Northwest Hot/Open Farm Tractor
1. All tractors must be stock in appearance from front to rear. All hoods, grills, fenders, and frame must be stock appearing for make and model being
pulled. Tractor must have stock block or its replacement.
2. Wide Front ends only. The front end will be located in the factory position.
3. Engine size limited to 640 cubic inches.
4. Turbo must match make and model of tractor or may be no larger than a 3LM 466. The compressor housing will have a maximum 2.9” I.D. of
intake and 2.0” O.D. outlet. The exhaust housing will be no larger than 360 with a maximum outlet of 3.06 I.D.
5. Exhaust pipes off of turbo must have cross bolts in pipes a minimum of 5/16” in diameter and grade #5 hard or better. Exhaust must discharge
vertically.
6. Tractor may have the maximum of a Bosch A injection pump. (No P’s, no M&W’s) Lesser pumps will be allowed. Legality of the injector pump is
based on the visual inspection of the outside housing and not the inner workings of the injector pump. PUMPS: Only one plunger per cylinder
and one injector per cylinder are permitted.
7. OEM stock intake and exhaust manifolds must be used for that series engine (alterations for turbo mounting ONLY are allowed).
8. No pressurized fuel tanks allowed. Diesel is the only acceptable fuel.
9. Water for cooling purposes of the turbo will be permitted, no types of accelerants or oxygen extenders or the like will be permitted.
10. Front weights may not extend more than 11 feet from center of rear axle to the front of weights. Rear weights may not extend more than 6” past
rear tires, and in no way interfere with hooking device or being able to hook and unhook the tractor from the sled.
11. Tractors must be equipped with steel hitching device not more than 1.5” thick and with a 3.5” diameter opening. Cross sectional thickness must be
measured 7/8” minimum to 1.5” max. Pulling point must not be more than 1.5” from back edge of the pulling device.
12. Tractors must hitch to a stationary draw bar with a maximum 20” height, and a minimum of 18” from the center of rear axle to the hitch point, no
clevises.
13. Maximum tire size of 20.8 x 38, cut tires will be allowed.
14. If weights, excess fluids or any part of the tractor falls off during pull, that pull will be disqualified. Tarp straps are not allowed anywhere on the
tractor.
15. No more than one person is permitted on the tractor at any time.
16. Driver must remain seated and have at least one hand on the wheel at all times. Driver may not leave the seat of the tractor when it is running.
17. All tractors in this class must have wheelie bars that are able to support the weight of the tractor.
18. All engine fans must be shrouded with factory shroud or minimum of 1/16” thick steel.
19. All tractors must have a safety kill switch or an air shutoff accessible to the driver while operating the tractor.
20. All tractors must have a double spring loaded throttle. One spring on the injector pump and one spring on the hand throttle.
21. All tractors must have a 2.5 lb. dry chemical fire extinguisher accessible to the driver while operating the tractor.
22. Roll-over Protection System (ROPS) required. A cage is NOT necessary.
23. Driver must wear a motor sport designed helmet. (Snell 80 or higher)
24. All drivers must wear leather shoes, long pants and an approved racing jacket when hooked to the sled.
25. SFI approved Flywheel blankets, .060 Inch thick aluminum side shields, SFI approved Clutch blanket and a dead man’s throttle are required in this
class. Performance clutch assembly and flywheel. NO CAST IRON CLUTCH PARTS. All competitors may be required at
registration, to sign a transmission and clutch certificate waiver stating the competition vehicle meets all
safety requirements.
26. Tractors must have safety tie bars mounted to rear axle housing with at least 4 bolts axle housing and extend forward of the flywheel area and
fastened to the side of the block or main frame with at least 2 5/8” bolts. Tie bars must be of sufficient strength to support the weight of tractor
with the bolts used to split the tractor is removed. Safety blankets must be on the inside of the tie bars and tie bars must be fastened forward of
the rear of the engine block.
27. Open Farm tractors are not permitted to pull in any farm stock or antique classes operated by Northwest PA Truck and Tractor Pullers Assoc.
28. Rules may be reviewed and or altered for the betterment of the class by Northwest PA Truck and Tractor Pullers Assoc.
29. All tractors are subject to random safety checks, hitch height and weight checks.
30. All decisions of the track officials are FINAL.
All rules to be interpreted by officials. Any unforeseen problems or oversights will be ruled on by officials on sight. All general and safety rules apply. All rulings will be final. Officials reserve the right to allow or disallow a tractor to compete on the basis of any safety concern or infraction.
Any driver arguing with a track official is subject to immediate disqualification. All decisions of the track official will be final at each pull. Any protests will be settled at next club meeting.
NORTHWEST
OPEN GAS AND OPEN DIESEL TRUCK CLASS GUIDELINES
ALL ITEMS DESCRIBED HERE ARE GUIDELINES FOR THE OPEN CLASSES RUN WITH NORTHWEST PA TRUCK AND TRACTOR PULLERS ASSOCIATION, INC.
All guidelines are to be interpreted by officials.
Any unforeseen problems or oversights will be ruled on by officials on sight.
All general and safety rules apply to all classes that pull with Northwest.
All rulings will be final.
Officials reserve the right to allow or disallow a truck to compete on the basis of any safety concern or infraction. Any questions as to whether your truck is eligible to pull, should be cleared by a track official BEFORE registration/hooking to sled.
Any driver arguing with a track official is subject to immediate disqualification.
Added weights allowed, however must be secured. Any loss of weight or external parts while hooked to the sled will be cause for disqualification of the pull (excludes internal breakage).
This is not a semi class.
No tri-axles may pull.
All members and non-members are eligible to pull in these classes.
Must be gas or diesel fuel to run in these classes. No Alcohol. Cam 2 allowed as pump fuel. Race fuels allowed. No nitrous.
Hitch – Adjustable hitch, no less than 35% of wheelbase, stationary in all directions. Puller must supply his or her own clevis and pin and be ready to pull. 3 1/2” I.D. minimum diameter on all hitches. 26” maximum hitch height or decision by track officials otherwise.
Safety – Seat belts are required. Helmets are required. If you do not have one, one may be borrowed from the club the night of the pull and returned as soon as you are done pulling.
Must have working brakes. Lights are optional.
May be street legal or hauled in on a trailer.
Tires- No limits
Suspension- No limits
Engine- No limits on modifications, with the exception that if you pull competitively, your truck must still meet safety requirements set in the Northwest rules, as outlined for your truck classification. Officials reserve the right to allow or disallow a truck to compete on the basis of any safety concern or infraction.
Body type- No limits.
OPEN GAS AND OPEN DIESEL TRUCK CLASS GUIDELINES
ALL ITEMS DESCRIBED HERE ARE GUIDELINES FOR THE OPEN CLASSES RUN WITH NORTHWEST PA TRUCK AND TRACTOR PULLERS ASSOCIATION, INC.
All guidelines are to be interpreted by officials.
Any unforeseen problems or oversights will be ruled on by officials on sight.
All general and safety rules apply to all classes that pull with Northwest.
All rulings will be final.
Officials reserve the right to allow or disallow a truck to compete on the basis of any safety concern or infraction. Any questions as to whether your truck is eligible to pull, should be cleared by a track official BEFORE registration/hooking to sled.
Any driver arguing with a track official is subject to immediate disqualification.
Added weights allowed, however must be secured. Any loss of weight or external parts while hooked to the sled will be cause for disqualification of the pull (excludes internal breakage).
This is not a semi class.
No tri-axles may pull.
All members and non-members are eligible to pull in these classes.
Must be gas or diesel fuel to run in these classes. No Alcohol. Cam 2 allowed as pump fuel. Race fuels allowed. No nitrous.
Hitch – Adjustable hitch, no less than 35% of wheelbase, stationary in all directions. Puller must supply his or her own clevis and pin and be ready to pull. 3 1/2” I.D. minimum diameter on all hitches. 26” maximum hitch height or decision by track officials otherwise.
Safety – Seat belts are required. Helmets are required. If you do not have one, one may be borrowed from the club the night of the pull and returned as soon as you are done pulling.
Must have working brakes. Lights are optional.
May be street legal or hauled in on a trailer.
Tires- No limits
Suspension- No limits
Engine- No limits on modifications, with the exception that if you pull competitively, your truck must still meet safety requirements set in the Northwest rules, as outlined for your truck classification. Officials reserve the right to allow or disallow a truck to compete on the basis of any safety concern or infraction.
Body type- No limits.