All Hot Farm tractors must be stock appearing. All hoods, grills, fenders and frame must be stock appearing for make and model being pulled. Tractor must have a stock block or its factory replacement. Must be O.E.M. stock head. No Re-Cast Blocks/Heads. Intake spacer can be no greater than 1. 600 Cubic Inch maximum. Diesel is the only acceptable fuel. Maximum size of a Deck plate is 1 inch thickness. Any tractor is subject to a cubic inch check.

A wide front-end is required for all competition tractors.

No pressurized fuel tanks are permitted in this class.

Water for cooling purposes of the turbo will be permitted. No types of accelerants or oxygen extenders or the like will be permitted.

Tractors must be equipped with steel hitching device not more than 1.5 thick with a 3.5 diameter opening. Cross sectional thickness must be measured 1 min. to 1.5 max. Pulling point must not be more than 1.5 from back edge of the pulling device.

Tractors must hitch to a stationary draw bar with a max. 20 height, and a minimum of 18 from the center of rear axle to the hitch point, a clevis is not permitted.

Any loss of weights or excess fluids or any part of the tractor during the pull will result in a disqualification. Tarp straps are not allowed anywhere on the tractor.

OEM stock intake and exhaust manifolds must be used for that series engine (alterations for turbo mounting ONLY are allowed). No Recast Pumps

  • 1. Legality of the injector pump by officials is based on the visual inspection of the outside housing and not the inner workings of the injector pump. No Billet Pumps.
  • 2. A PUMP: All A pumps must be derived from the German Bosch design. Allowed an Intercooler. Tractor weight will be 10,000 lbs. with a 3/LM/466 turbo.
  • 3. P PUMP: No Inter Cooler. Tractor weight will be 9,500 lbs.
  • 4. No sigma pumps OR MW or Re-Cast pumps are permitted.
  • 5. All Fuel Injection Pumps must maintain stock OEM Dimensions
  • A single turbo-charger ONLY is permitted with the following:

  • 1. Intake housing to be no larger than 3.1 at the face of the wheel.
  • 2. Compressor wheel must protrude into 3 bore.
  • 3. Map width enhancement of .180 Maximum is permitted. Must be in OEM location
  • 4. All Air flow must go through the turbo intake and map ring, no other air flow will be permitted: IE. Drilled holes around the turbo intake


  • 1. Turbine wheel to be no less than 3.0 in diameter at intersection of turbine wheel face and tip diameter.
  • 2. Turbine housing to be no larger than 3 at intersection of turbine wheel face and tip diameter.
  • 3. All turbine wheel blades to protrude into 3 bore. All air must exit through 3 opening.
  • 4. Exhaust housing will be measured at intersection of turbine wheel face and tip diameter.
  • 5. No waste gates permitted.
  • 6. No variable geometric turbos permitted.
  • 7. No clipping of turbo wheels to allow larger wheel in a smaller housing.
  • 20.8 x 38 tires the largest allowed with cut tires permitted.

    All tractors must have wheelie bars that are able to support the weight of the tractor.

    Front skid bars are recommended for 2017, will be required for 2018 season.

    Secondary hitch is recommended for 2017, will be required for 2018 season.

    Front weights may not extend more than 13 from center of rear axle to the front of weights. Rear weights may not extend more than 6 past rear tires, and may not interfere with hooking device or ability to hook and unhook the tractor from the sled.


  • * Tractors must have steel engine side shields
  • * Tractors must use an approved blanket on the transmission and clutch area
  • * All engine fans must be shrouded with factory shroud or 1/16 thick steel shroud
  • * All tractors must have a safety kill switch or an air shutoff
  • * Each tractor must have a 2.5 lb. dry chemical fire extinguisher accessible to the driver while operating the tractor
  • * Must have at a minimum of a factory R.O.P.S. system capable of supporting the tractor at its heaviest weight class. The exhaust MUST discharge vertically and MUST have two (2) Grade 5 cross bolts (3/8) in the exhaust elbow or pipe. Bolts must be installed 90 degrees to each other and within one (1) inch of each other as close to turbo as possible.

    Driver must wear a motor sport designed helmet. (Snell 80 or higher).

    Driver must be a minimum of 18 years of age to pull in this class /or if ages 16 or 17/ must present a signed and notarized statement of permission from a parent or legal guardian.

    All drivers must wear leather shoes and long pants, Fire jacket and gloves.

    No more than one person is permitted on the tractor at any time.

    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 while it is running.

    All diesel powered competition vehicles will have a fuel sampling valve (closest to injection pump) on the return line from the fuel injection pump to be used in obtaining a fuel sample. The sampling valve needs to have a flexible hose. Diesel engine needs to be running when the fuel sample is obtained.

    All diesel powered competition vehicles will have a water injection sampling valve. If no valve exists, the tank line will be unfastened to attain a sample.

    All fluids are subject to diagnostic screening.

    Membership fee is $100.00 Must attend 2/3 of scheduled events to be included in points fund