In-line 6-cylinder diesel engine
900 thous. km
Engine type. 6-cylinder YMZ-530 family diesel engine, 4-stroke, in-line, with direct fuel injection, turbocharged, water-cooled with supercharged air intercooler of the “air-to-air” type installed on the vehicles. Engine meets the emission class euro 4 - for road machinery – UN Regulations No. 49-04В1, No.24-03.
Electronic control system (ECU) EDС 7,
Control system sensor and switching device:
Cooling and lubricating systems are designed to ensure the condition of 40 kW / l and have high potential to further boost. Accessory gear drive is located from the side of the flywheel and provides a low level of torsional vibrations and noise not more than 93 dB (A). The closed crankcase gas ventilation system is integrated into the cylinder head cover. No maintenance is required.
Design features. The EGR (exhaust gas recirculation) system and РМ-САТ (catalyst converter) are applied to achieve the emission class euro-4.
Fuel supply system. Fuel supply system: of common rail type (ECRS) by R. Bosch. The system provides injection pressure 1800 bar.
There is a possibility to install the following:
The engines may be completed with clutches and gearboxes according to SAE 1 standards.
|Cylinder bore & stroke, mm||105 х 128|
|Rated power, gross, kW (hp)||181 (246,3)|
|Net power (Regulations № 85), kW (hp)||180 (245)|
|Max. torque, gross, Nm (kgf.m)||900 (92)|
|Speed at max. torque, min-1||1300-1600|
|Min. specific fuel consumption, g/kWh (g/hp.h)||197 (145)|
|Engine lifetime, thous.km||900|
|Overall dimensions, mm LхWхH||1154 / 762 / 880|
|Mass of engine, kg||640|
|Ecology (UN Regulations)||№ 49-05С (уровень В1, EOBD) - euro-4|
|YMZ-53621 (-01, -02)||LiAZ city and suburban buses with mass up to 18 t, LiAZ-5292, LiAZ-5293, LiAZ-5256|