The YaMZ-651 is a six-cylinder, four-stroke diesel engine that has an in-line cylinder arrangement, a liquid cooling system, turbocharging, and charge air cooling in an air-to-air heat exchanger mounted on a car (without an EGR system).
According to UN Regulation No. 49-05C (level B1 with EOBD system), No. 24-03-euro-4, it corresponds to environmental class 4 for road machinery in terms of harmful substance emissions.
The vehicle’s SCR system and the PM-CAT catalytic converter were used to reach the ecological level of euro-5. R. Bosch’s battery-type fuel system (ECRS).
Specifications
| Cylinder bore, mm | 123 |
| Piston stroke, mm | 156 |
| Displacement, cc | 11,12 |
| Power output, kW (hp) | 303 (412) |
| Max torque output, Nm (kgf·m) | 1911 (195) at 1200-1400 rpm |
| Compression ratio | 16,4 |
| 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 |
| Weight, kg | 1030 |
| Euro standards (UN rules) | № 49-05C (B1, EOBD) – euro-4 |
Layout of YMZ-651 nodes
| Left side | Front view | Right side |
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