Rules (6USS, 6DSS, 8DSS, 93 SF, 10 Pro )
NTPA rules will apply to these classes:

6,000# Super Stock **, 8,000# Super Stock **, 9,300# Super Farm,
10,000# Pro Stock, 6,500# Alcohol
** diesel only
Rules (95 HF, 12 HF, Diesel Trucks - SS & PS)
Click the links below for rules of each class:

6,500 LSS Diesel Tractors Rules for this class will be the same as that of NTPA LSS tractors with the exception of weight. Required weight for this indoor event has been increased from 6,000 lbs. to 6,500 lbs.
8,200 HSS Diesel Tractors Rules for this class will be the same as that of NTPA HSS tractors with the exception of weight. Requred weight for this indoor event has been increased from 8,000 lbs. to 8,200 lbs.
9,300 Super Farm Tractors NTPA rules apply
10,200 Pro Stock Tractors Rules for this class will be the same as that of NTPA Pro Stock tractors with the exception of weight. Required weight for this indoor event has been increased from 10,000 lbs. to 10,200 lbs.
9,500 Hot Farm Tractors Click here.
12,000 Hot Farm Tractors Click here.
6,500 LSS Alcohol Tractors Rules for this class will be the same as that of NTPA LSS tractors with the exception of weight. Required weight for this indoor event has been increased from 6,000 lbs. to 6,500 lbs.
6,500 LLSS Tractors Click here.
8,000 Pro Stock Diesel Trucks Click here.
8,000 Super Stock Diesel Trucks Click here.