No four wheel drive model tractors are eligible as an entry. All tractors that require tools for the removal of side shields must be equipped with an on-board fire control system. On-board system nozzles must be in engine compartment. All tractors utilizing on-board fire extinguishing system must place one nozzle on each side of engine, inside the engine compartment. Not to be attached to the sheet metal.
All tractors can use deck plates, but they are optional.