Manufactured by Himoinsa, this engine model HMA4A is a diesel 4 strokes cycle engine with a direct injection type. It has a natural aspiration and a displacement of 4,01 L. The fuel consumption of the engine is 100% PRP at 11.1 l/h and the fuel consumption at 75% is 8.44 l/h. The engine has a rated output of 41.6 kW prp and a standby of 46 kW.
The water-cooled engine has a radiator with a blowing fan water separator decanting filter. The inner diameter of the exhaust pipe is 45 mm. The engine has a dry air filter and has a lube oil consumption of 0.15% in a full load. The mechanical engine has a total oil capacity of 21 L and a compression ratio of 17.9:1. The bore and stroke are 104 mm x 118 mm.