2WD Modified Trucks (A Class) are allowed one naturally aspirated automotive engine. Forced Induction is allowed on engines up to 360 cubic inches.

2WD Modified Trucks (B Class) are allowed one naturally aspirated small block automotive engine up to 450 cubic inch. Weight classes are:

2500 kg

2600 kg

2700 kg, excluding driver

The maximum length of the truck is to be 15 feet from centre line of rear axle to forward most portion of truck, including weight racks, etc. Maximum width is to be 8 feet wide at its widest point.

Legal fuels are Alcohol including methanol, Water, Aviation Gas, Diesel, Kerosene, ULP, and Premium Unleaded.