Mercedes Benz OM904LA Diesel Engine

Technical Overview: Mercedes-Benz OM904LA Diesel Engine
The Mercedes-Benz OM904LA is a high-performance, four-cylinder in-line diesel engine designed for durability, efficiency, and versatile application in commercial vehicles, industrial equipment, and specialty machinery. Featuring a 2.2-liter displacement (2,149 cc) and turbocharged/intercooled air intake, the OM904 LA delivers efficient combustion and optimized power output, with configurations ranging up to 130 kW (175 hp) and 675 Nm of torque, depending on the application.
Engineered with a robust cast-iron cylinder block and forged steel crankshaft, the OM904 LA ensures longevity under demanding operating conditions. Its common rail direct injection (CRDi) system enables precise fuel metering, reducing emissions while enhancing fuel economy. The engine complies with Euro III to Euro V emission standards, depending on variant, through advanced exhaust gas recirculation (EGR) and optional selective catalytic reduction (SCR) technology.
The compact design and lightweight construction make it ideal for urban buses, utility vehicles, and construction machinery. Additional features include:
Overhead camshaft (OHC) with four valves per cylinder for optimal airflow and combustion efficiency.
Maintenance-friendly components, such as easily accessible filters and service points.
Electronically controlled engine management (ECU) for real-time performance optimization.
With its proven reliability, low total cost of ownership, and adaptability across multiple sectors, the OM904 LA remains a benchmark in its class for operators seeking a power-dense, eco-conscious, and durable diesel solution.



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