Modified Minis
The mini class allows for up to a 650 in.3 naturally aspirated motor or a 375 blown 871 at 2050 lbs.
Super Modified Minis
The super modified mini class allows for any engine blown larger than 375.
Modified 4×4 Trucks
The 4wd class has a maximum 575 in.3 unlimited with a blower and maximum weight limit.
Unlimited Diesel Trucks
This class must be a purpose built, not street legal truck, with a certified pulling hitch.
Superstock Tractors
(Smokers)
This class has a combination of rules, implemented by
the NTPA (National Tractor Pulling Association) to
provide the best pulling experience for fans
Weights per classes
Minis 2050 lbs Diesel trucks 8000 lbs
Super mod 7500 lbs Trucks 6200 lbs
Mod 7800 lbs
2wd Truck
The 2 Wheel Dr. class has a maximum 575 in.3 with unlimited with a blower, with a maximum weight of 6200 pounds.
Modified Tractors
The modified tractor class has multiplied styles, including 3-naturally aspirated engines, a single aircraft engine, a fully blown engine, or a turbine powered engine.
Super Modified Tractor
The super modified class has 3 fully blown engines or twin aircraft engines
*All classes are open to drivers aged 16 and older, except the Micro Mini class, which is open to drivers aged 9 and up.