Engine is a machine that can convert other forms of energy into mechanical energy, including internal combustion engines (reciprocating piston engines), external combustion engines (Stirling engines, steam engines, etc.), jet engines, motors, etc. For example, internal combustion engines usually convert chemical energy into mechanical energy.

Engine long block / bare engine, engine short block for : Toyota, Hyundai / KIA, Cummins, Great Wall, Haval, Mitsubishi, JAC, JMC, Foton, ISUZU, Weichai, FAW, Yuchai, Yunnei, Quanchai, etc.

Full series of engine spare parts for some models: such as Cummins 4BT/6BT ISF2.8, ISF3.8, GW4D20, GW4G15, GW2.8, etc.