The YaMZ-651 engine is a 6-cylinder 4-stroke diesel engine with an in-line arrangement of cylinders, a liquid cooling system, turbocharging and charge air cooling in an air-to-air heat exchanger installed on a vehicle (without an EGR system).
In terms of emissions of harmful substances, it corresponds to environmental class 4 for road machinery – UN Regulation No. 49-05C (level B1 with EOBD system), No. 24-03 – euro-4.
To achieve the ecological level euro-5, the SCR system installed on the vehicle and the PM-CAT catalytic converter were used. The battery-type fuel system (ECRS) by R. Bosch.
|Cylinder bore, mm||123|
|Piston stroke, mm||156|
|Power output, kW (hp)||303 (412)|
|Max torque output, Nm (kgf·m)||1911 (195) at 1200-1400 rpm|
|Firing order||1 – 5 – 3 – 6 – 2 – 4|
|Specific fuel consumption||193 gramme/kW·hour (142 gramme/HP·hour)|
|Engine lifespan, thousand km||1000|
|Dimensions, mm (LxWxH)||1286 / 935 / 1126|
|Euro standards (UN rules)||№ 49-05C (B1, EOBD) – euro-4|
Layout of YMZ-651 nodes
|Left side||Front view||Right side|