Get ready for a heart-pounding experience as pullers from across the Midwest gather to battle it out on the track for the longest pull! These machines boast horsepower levels in the thousands, leaving basic truck or tractor engines in the dust! On the Track NTPA Region III ¦ Limited Pro 4.1 ¦ Super Farm ¦ Four Wheel Drive ¦ Two Wheel Drive ¦ Light Limited Super Stock Tractors ¦ Super Stock Diesel 4×4 ¦ Super Stock Four Wheel Drive WTPA – STATE ¦ Pro Farm Tractors ¦ 2.6 Diesel Trucks ¦ Mini Rods ¦ 4.1 Pro Stock Semis