MB871 Ka-501 engine, with 1200ps at 2600rpm 8-cylinder version, and MT881 Ka-500 engine, 8-cylinder version, has been locally produced by STX since the year of 1986 under the manufacturing license from MTU, Germany. These engines are not only best optimized for the military vehicles with its size compactness and lightness but also provided superior operational economics mainly thanks to the comparably lower fuel consumption rate, longest MTBO and well-organized logistics system.