FARM STOCK WEIGHT CLASSES AND HORSEPOWER LIMITS
4,500# - 45hp 5,500# - 55hp 6,500# - 65hp 7,500# - 75hp
9,000# - 90hp 10,500# - 115hp 12,500# - 115hp 15,000# - 160hp
16,500# - 160hp
2009 MTTPA PRO CLASSES 6,200# - 2WD TRUCK & ECON. MOD. TRACTOR
8,000# - MODIFIED STREET 4WD TRUCKS (DIESEL)
11,000# (AND, NEW THIS YEAR, 15,000#) - HOT FARM TRACTOR
6,500# - PRO STREET 4WD TRUCKS
8,000# - RUN WHAT YOU BRUNG (GAS OR DIESEL)
8,000# - 4WD STREET LEGAL TRUCKS
mttpa.org/rules.htmlGo to this page for a whole list of rules.