The Oshkosh AeroTech B1200 Pushback Tractor is designed with new power train components for improved reliability. The unit has a Cummins engine and Kessler axles with disk brakes on all four wheels. The unit comes standard with ZF power shift transmission with lockable inter-axle differential and 6 forward and 2 reverse speeds. It has also be designed with two hatch covers to provide easier access to the engine and its components.