Engines:
All engines must maintain a factory head bolt pattern, except Super Stock and Outlaw.
Brakes
1. All tractors must be able to stop themselves.
Drawbars
1.No portion of the tractor may interfere with the sled or the sled hitch during a pull.
2. No trick hitches or cam type rear ends.
3. The minimum drawbar length is 6 inches from the center of the rear wheels to the point of hook and it cannot be adjustable to less than 6 inches.
4. The maximum drawbar height is thirteen inches to the point of hook except if stated in the individual class rules.
5. The drawbar must be stationary and ridged in all directions.
6. The drawbar must be equipped with a hitching device of a minimum of 1 ½ inch – 2-inch opening in stock and no more than ¾ inch thick, no less than ½ inch thick. The pulling point may not be more than one inch from the back edge of the pulling device.
Note: A single pin breakaway type drawbar is recommended to eliminate the tipping condition that may occur if the drawbar breaks off and the pull is from the top link or brace fastened above the centerline of the rear axle.
Chassis
1. All tractors in all classes must have stock appearing frames, excluding Outlaw Classes, Lite Mod, Heavy Mod, and Super Stock. Frames must be of original stock material (no aluminum or alloy substitutes) excluding Outlaw Classes, Lite and Heavy Mod, and Super Stock. If it is necessary to notch the frame, the frame must be reinforced in the notched area. The frame is considered the tractor, in case of breakage it must be replaced with identical components. Name and/or number must remain the same.
2. All tractors in all classes must have wide front axles. Front wheels must track within the rear wheels.
3. The front axle may not be extended past the stock frame excluding Outlaw Classes, Lite and Heavy Mod classes.
4. No tractor may have a wheel track wider than 48 inches except outlaw classes, Lite and Heavy Mod classes.
5. All Garden tractors must have a hood and grill of some type.
6. No tractor may have a wheelbase exceeding 72 inches. Except Outlaw classes, and Lite and Heavy Mod classes
Exhaust Systems
1. If an original muffler is not used, exhaust systems must discharge vertically, or rearward towards rear tires.
Fuel and Fuel Containers
1.All forms of nitromethane (including nitrous oxide) are illegal as fuel or fuel additives
.
2. Legal fuels are as follows: Gasoline, Alcohol, Diesel, Kerosene, and Jet fuel.
3. Legal fuel additives are octane boosters, lubrication oil and alcohol (no more than twenty-five percent alcohol only pertains to Mod stock class) subject to sample.
4. No pressurized fuel tanks allowed.
5. Naturally aspirated, no fuel injection. does not pertain to Diesel, Open Superstock and Unlimited Outlaw.
Weights
1. All weights must be securely fastened.
2. No weights to exceed more than eight feet from the center of the rear axle forward.
3. Weights must not interfere with the sled or hooking to the sled.
4. Anything that is separated from the tractor while hooked to the sled will be cause for disqualification while under the green flag.
Tires
1. No dual wheels, studded tires, or chains will be allowed.
2. No automotive tires.
3. Maximum garden tractor type not to exceed twelve inches in width. 24x13.50x12 tires are allowed.
4. Cutting of tires is permitted.
Seats, Fenders, and Footrests:
1. All seats must be securely mounted. Tip back seats must be secured so as not to tip back if the tractors front rises.
2. Mandatory three-inch rigid backrest with no less than forty-five degree angle. EXCEPT ATV
3. Fenders on all tractors to consist of a definite barrier between the tire and the back of the operator’s leg and feet.
4. All tractors must have foot pegs, pads or running boards to keep feet off of the ground and away from tires during a pull. The mid-frame is not acceptable. Feet must not touch the ground during a pull.
Safety Equipment
1.All drivers must have enclosed foot protection, long pants, and helmets.
2. All classes running alcohol must wear fire suits (or approved fire-resistant clothing). All helmets must be strapped, and fire suits must be zipped.
Drive Lines
1. Shielding to be over belts, chains, flywheels or any moving parts including billet steel or aluminum flywheel. This is to prevent clothing from being caught in them and parts from flying into the spectators in case of breakage or parts failure.
2. Starter pulley must be steel or aluminum.
3. Must have a device to stop the pulley from coming off in front of crank.
Clutches
1. Shielding to be placed over all clutches. All tractors except stock will have acceptable flywheels and shielding.
2. Shielding 1/8th inch thick steel, 1/4th inch thick aluminum. 360 degrees around the clutch.
Kill Switches
1. Tractors must have working kill switches.
2. Kill switches must be in the rear end of the tractor and easily accessible, using at least a 2-inch ring. *Atvs must have tether switch attached to them while pulling.
3. Required that when the kills switch is pulled it stops the electric fuel pump. Must be easy access able. Track officials may pull a kill switch before or after a pull this includes the sled operator; this is to check for proper operation only and will not be used to harass anyone.
4. Diesel must have fuel dump valve; operator must be able to operate it and the sled driver must be able to pull it also.
5. If kill switch falls out after 75ft your attempt is done, and a distance will be recorded.
Stabilizer Bars
1. All tractors will have stabilizer (wheelie) bars; a stock puller will be able to compete for one event without wheelie bars.
2. Pads or wheels on wheelie bars will be no more than five inches off the ground. Pads or wheels will extend no less than five inches beyond the rear of the tires.
3. Wheelie bars must support the weight of the tractor to the heaviest class in which it will be competing.
Fire Extinguishers
1. It is required that all tractors carry a fire extinguisher.