Montana Title 61. Motor Vehicles § 61-9-304. Brakes required on all wheels--exceptions

(1) trailers, semitrailers, pole trailers of a gross weight not exceeding 3,000 pounds, provided that:

(2) any vehicle being towed in driveaway or towaway operations, provided the combination of vehicles is capable of complying with the performance requirements of 61-9-312;

(3) trucks and truck tractors having three or more axles need not have brakes on the front wheels, if the vehicle was manufactured before July 25, 1980. However, the trucks and truck tractors must be capable of complying with the performance requirements of 61-9-312.

(4) special mobile equipment;

(5) the wheel of a sidecar attached to a motorcycle or to a motor-driven cycle, or the front wheel of a motor-driven cycle need not be equipped with brakes. However, a quadricycle, motorcycle, or motor-driven cycle must be capable of complying with the performance requirements of 61-9-312.