Ballast
- Maximum weight: 8500 lbs.
- No hanging weights are allowed. Hidden weights are permitted, but they must not be visible and not below the frame. Weight may be in the bed. All weights must be securely fastened.
- No weight allowed in the cab.
- OEM chassis is mandatory. The vehicle must retain OEM frame rails.
- Must maintain OEM measurements for the cab and bed being used.
- Rear suspension may be blocked solid. Stock-style suspension must be in place. Stock style refers to the type of suspension that came from the manufacturer in the year/make/model/vintage of the vehicle being pulled. Must have leaf springs.
- Hydraulic over electric is permitted but must run through the OEM steering box.
- Traction bars are permitted but must be bolt-on only. Electronic traction control is not permitted.
- Batteries are not allowed in the cab unless factory-installed. Must be in OEM location.
- DOT-approved helmet must be worn and fastened.
- Leather shoes, fireproof shirt, and pants are required.
- Fire suit is highly recommended.
- The body must replicate the OEM truck body, including the full bed floor. The body must retain the full sheet metal. No mud flaps or dirt deflectors.
- The complete OEM floor pan is mandatory. Vehicle must maintain a complete firewall.
- Must have all windows. Must have all working OEM lights. Must have all interior panels and dashboard.
- Flatbeds are permitted but must be manufactured. No homemade beds are allowed. Wheelbase must maintain OEM measurements for the cab being used.
- Exhaust must clear the rear of the cab.
- Aftermarket exhaust is permitted.
- Bed stacks are permitted.
- All vehicles must be equipped to direct exhaust upward.
- All trucks must have at least a six-inch-wide u-joint shield around the rear u-joint, constructed of at least 5/16-inch steel or 3/8-inch aluminum. All shields must be securely mounted to the vehicle. Any front shaft u-joints that can be visibly seen from the side of the truck must be shielded to contain the u-joint and the end of the driveshaft. Must have one center loop.
- Safety switch (rain cap or guillotine) must shut off air to the engine. Switch will be securely mounted to the rear of the vehicle. A 2-inch or bigger solid ring must be attached to the end of the switch. Switch must also be able to be activated in the cab while the driver is secured in the vehicle.
- Four (4) 3/8-inch (Grade 5) bolts in the horizontal portion of the exhaust pipe(s) as close to the turbo as possible. Bolts must be installed 90 degrees to each other, within one inch of each other.
- All vehicles must have a 2 1/2 lb. dry chemical fire extinguisher within the reach of the driver.
- Seatbelts are required when hooked to the sled.
- OEM rear and front ends required. Must have come factory in a one-ton or smaller vehicle.
- OEM transmission and transfer case must be used. Must have come factory in a one-ton or smaller vehicle.
- SFI bell housing and/or SFI blowproof bell housing or SFI blanket-type shield must be used. Slipper clutches are allowed.
- Automatic transmissions must be covered 360 degrees from the back of the engine block to the tail shaft bolts.
- Ford ZF 5-speed transmissions are required to have a blanket from the back of the engine block to the tail shaft bolts.
- Tires must be DOT-approved and no larger than 35x12.50 or 315x75 Metric.
- Must have factory tire size stamped for verification. If the size is removed, they will be considered illegal.
- No studded tires or tire chains. No alterations to tires permitted. No bar or terra tires.
- Dual wheels are permitted ONLY if factory equipped. Single rear wheel trucks are not permitted to run dual rear wheels.
- Any aftermarket wheels are permitted.
- Dual-wheel trucks are limited to a tire size of 35x12.50.
- No propane or Nitrous.
- Other oxygen enhancers are not allowed.
- Fuel must be #1 or #2 diesel fuel only.
- Must have four working brakes.
- Must have working brake lights.
- Engine swaps are permitted. The engine must have come in a one-ton truck or less.
- Engine must be in OEM location.
- No superchargers permitted.
- No aluminum blocks are permitted unless OEM.
- Fuel injection pump is limited to stock-appearing.
- The use of an RSV (agriculture governor) is prohibited.
- Aftermarket air filter and airbox are allowed.
- Programmers & computer chips are permitted.
- The use of a hand throttle is prohibited.
- Water injection is not permitted.
- Single turbo only. Can’t exceed 3.2-inch inlet.
- Twin turbos are OEM factory chargers with factory configuration only.
- Blowproof harmonic balancer or 360-degree shield is highly recommended.
- Must be Reese-style hitch. May be reinforced. Must not extend forward of the rear axle.
- Hitch must be rigged in all directions. Hitch mounting point cannot be above frame rails and must be stationary in all directions.
- No drawbar hitches or trick hitches allowed.
- Hook point must be at the rearmost point of the vehicle and most rearward of the stock location of the tailgate.
- Maximum hitch height of 26” with a minimum of a 3.75” x 3.25” opening.
- Hitch must be on a level plane with the ground.