The air brake components include the air dryer, brake pedal, low air pressure switch, dual air pressure gauge, air lines, reservoirs, trailer air brake couplings, stoplamp switch, and the trailer stoplamp switch.

Air is supplied by a piston type air compressor.

The air flow is directed and controlled by the air brake valves.

The air foundation brakes are cam type. They are applied by a camshaft, slack adjuster, and air brake chamber. The parking brakes at the rear wheels are actuated by the spring brake chambers, which are controlled by the system park valve located in the cab.