Engine specifications for Mercedes OM457LA, characteristics, oil, performance

The 12-liter OM 457 engine series includes 3 powerful and economical engines – 315 kW (428 HP), 295 kW (401 HP) and 260 kW (354 HP) The OM457LA engine complies with the EURO emission class -five. It has an excellent balance of high power, fuel efficiency and motor life, reaching 1 million km.

Maximum torque is achieved at low revs, corresponding to low specific engine consumption, which results in high fuel efficiency. Electronically controlled injectors allow fuel to be injected at a higher pressure, which has a positive effect on the combustion efficiency.

Specifications

Manufacturer	Daimler Chrysler
Also called	OM 457
Start of production	2003
Cylinder block alloy	cast iron
Fuel system	direct injection
Configuration	inline
Number of cylinders	6
Piston stroke, mm	155
Cylinder bore, mm	128
Compression ratio	18.5
Displacement, cc	11967
Power output, hp	354/2000 401/2000 428/2000
Torque output, Nm / rpm	1600/1100 … 2100/1100
Fuel type	diesel
Euro standards	Euro 5
Weight, kg	1045 (dry)
Dimensions, mm — length — width — height	1316 746 1019
Firing order	1-5-3-6-2-4
Max normal engine operating temperature, °C	100
Engine lifespan, km — official information	1 000

All Mercedes-Benz Axor powertrains, thanks to BlueTec technology and the Telligent service system, comply with the strictest emission standards – including Euro 5. The Telligent engine management system with injection pressures up to 2300 bar ensures optimized fuel combustion.

Features of the Daimler OM-457LA motor:

outlet gas aftertreatment system – reduces emissions and improves fuel efficiency;
an electronic fuel delivery system that includes electronically controlled injectors that inject fuel at high pressure for more complete combustion. This system has a positive effect on economy and productivity;
Blue Tec fuel economy technology;
direct injection system with PLD fuel equipment;
turbocharged with intercooling.