General

 

1. Tractors are not to be newer than 1957.
2. Any speed, any gear, no shifting, no shifting of T/A’s or like transmissions allowed.
3. All tractors must be neatly painted.
4. Appearance:  Tractors are intended to look like a stock farm tractor that has an automotive V-8 neatly installed. 
5. No extended or widened hoods. 
6. Raised carburetor enclosures are allowed.

 

Weight

 

1. 5,000 lbs

 

Engine

 

1. A maximum of 360 cubic inch displacement with 1% tolerance.
2. Tractors may run one (1) cast iron automotive block and cast iron heads.
3. No overhead cams.
4. Enhanced electrical systems are allowed.
5. No Magnetos.
6. Electric water pumps, electric fans, and electric fuel pumps are allowed.
7. No tunnel ram or sheet metal intakes. 
8. No flap or rain cap type covers on exhaust.

 

Fuel

 

1. Tractors are to be naturally aspirated with a single gasoline carburetor. 
2. No nitrous oxide, water, or alcohol injection.
3. No nitro methane or nitro methane fuel additives allowed.

 

Tires/Wheels

 

1. 18.4 x 38 tire size maximum.  Any cut and any rim width.

 

Chassis

 

1. Stock frames or like replacements are allowed.  Example:  tractors with cast iron tub chassis my convert to side rail frames .
2. Transmission, rear end and axle housings must match factory sheet metal, dash, and hood. 
3. No lengthened or widened hoods.
4. ALL tractors must have a wide front. 
5. Centerline of front axle may be no more than 12” in front of OEM axle location. 
6. Batteries and fuel tanks may be remote located in front of grille. 
7. No part of tractor including front weights may extend more than 11’ in front of the center line of the rear axle. 
8. Weights may not extend beyond the rearmost point of the rear tires.

 

Hitch

 

1. Point of the hook must not exceed 20” from the ground or be no less than 18” from the centerline of the rear axle. 
2. Adjustable drawbars must be stationary in all directions.
3. Top of hitch adjuster must not be attached above the centerline of the rear axle.

 

Safety

 

1. All Drivers must wear an approved fire suit and DOT certified helmet.

2. Wheelie bars are required and they must support the weight of the tractor. 
3. Rear mounted kill switch is required.  Switch must kill the circuit to the ignition as well as fuel pump(s).
4. “Dead Man” style throttle is required.
5. All tractors must be equipped with roll over protection whether it be of OEM or multiple bar design.
6. Seatbelts are required to be in use while the tractor is hooked to the sled.
7. All tractors must be equipped with rear fenders.
8. All tractors will be equipped with either a SFI scatter blanket or 3/16” steel band over the clutch and flywheel area.  
9. SFI flywheel and clutch required.
10. All driveline couplers must be shielded 360 degrees. 
11. Engine side covers are required and cover the area from the base of the cylinder head to the top of the frame rail or oil pan.
12. Harmonic balancers are required to shield 360 degrees.
13. All tractors must be equipped with a fire extinguisher within reach of the driver.
14. NEW FOR 2010: All tractors must be equipped with front stabilizer bars or skis. The lower most portion of the bar must be no higher than 4" off the ground.