Euro III common rail engine/EGR engine/Euro II engine old model/Euro II engine new model/D12.42 engine

An 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, electric motors, etc. For example, the internal combustion engine usually converts chemical energy into mechanical energy. The engine applies to both the power generation unit and the entire machine including the power unit (e.g., gasoline engine, aeroengine).