Patent ID: 7000996

Claim:
A vehicle comprising at least two rear axles, the first of said axles being forwardly of a second of said axles, first and second axles each having respective first and second end portions, the first end portions of the first and second axles being at one side of the longitudinal axis of the vehicle and the second end portions of the first and second axles being at the other side of the longitudinal axis, at least one wheel coupled to each end portion of each of the first and second axles, service brakes adapted to apply wheel service braking forces, at least one first parking brake adapted to apply a first parking brake force to the at least one wheel at the first end portion of the first axle, at least one second parking brake adapted to apply a second parking brake force to the at least one wheel at the second end portion of the second axle, and a parking brake controller adapted to selectively apply only the first and second parking brakes whether or not the service brakes are being applied.