OM457 engine for benz OM457 engine

The Mercedes-Benz OM457 is a 12-liter, inline 6-cylinder, turbocharged diesel engine designed for reliability, efficiency, and long service life. As one of Daimler’s most trusted heavy-duty engines, the OM457 has earned a strong reputation worldwide in trucks, buses, construction machinery, and power generation equipment.

Key Features and Benefits

• Configuration: Inline 6-cylinder, 4-stroke, turbocharged diesel engine with intercooler

• Displacement: 11.97 liters

• Power Output: 220–335 kW (300–456 hp), depending on variant

• Torque: Up to 2,100 Nm, ensuring powerful performance under heavy loads

• Fuel System: Unit pump fuel injection for efficient and precise combustion

• Emission Compliance: Available in versions meeting Euro III / IV / V standards

• Durability: Heavy-duty Mercedes-Benz design ensures reliability even under extreme conditions

• Fuel Efficiency: Optimized combustion process lowers fuel consumption and reduces operating costs

• Serviceability: Easy access for maintenance with extended service intervals

• Versatility: Widely used in on-road, off-road, and stationary applications

Applications

The Mercedes-Benz OM457 engine is commonly used in:

• Heavy Trucks: Long-haul transport, dump trucks, and construction vehicles

• Buses & Coaches: Intercity buses, city transport, and high-capacity coaches

• Construction Machinery: Cranes, loaders, and other heavy-duty equipment

• Power Generation: Diesel generator sets for prime and standby use

Why Choose the Mercedes-Benz OM457 Engine?

The OM457 is recognized globally for its robust performance, fuel economy, and long service life. Backed by Mercedes-Benz’s engineering excellence and worldwide service network, it remains a reliable choice for operators and OEMs seeking proven heavy-duty diesel power.