Understanding the OM 904 LA Engine
The OM 904 LA engine is a renowned piece of engineering, particularly in the realm of heavy-duty commercial vehicles. This article delves into the intricacies of this engine, providing you with a comprehensive understanding of its features, specifications, and applications.
Engine Specifications
The OM 904 LA is a 6-cylinder in-line diesel engine, developed by Mercedes-Benz. It is part of the OM 904 engine family, which is known for its robustness and reliability. Here are some key specifications:
| Parameter | Value |
|---|---|
| Number of Cylinders | 6 |
| Displacement | 11.9 liters |
| Bore x Stroke | 125 mm x 145 mm |
| Power Output | 330-400 kW (440-537 hp) |
| Torque Output | 1,600-2,100 Nm |
Applications
The OM 904 LA engine is widely used in various heavy-duty commercial vehicles, including trucks, buses, and construction equipment. Some popular applications include:
- Mercedes-Benz Actros trucks
- Mercedes-Benz Atego trucks
- Mercedes-Benz Unimog
- Volvo trucks
- Scania trucks
Engine Features
The OM 904 LA engine is equipped with several features that contribute to its performance and reliability:
- Common Rail Fuel Injection: This advanced fuel injection system ensures optimal combustion and fuel efficiency.
- High Pressure Oil Pump: The high-pressure oil pump provides precise fuel injection, resulting in better engine performance.
- Electronic Control Unit (ECU): The ECU manages the engine’s operation, optimizing performance and fuel consumption.
- Intercooler: The intercooler reduces the temperature of the compressed air, improving engine efficiency.
- Exhaust Gas Recirculation (EGR): The EGR system reduces nitrogen oxide emissions, making the engine more environmentally friendly.
Engine Maintenance
Proper maintenance is crucial for the longevity and performance of the OM 904 LA engine. Here are some key maintenance tips:
- Regular oil changes: Use the recommended oil type and change it at the manufacturer’s recommended intervals.
- Check the air filter: Replace the air filter as needed to ensure optimal engine performance.
- Inspect the coolant system: Ensure that the coolant is at the correct level and free of contaminants.
- Check the engine oil level and condition: Regularly inspect the engine oil level and condition to detect any potential issues early.
Conclusion
The OM 904 LA engine is a reliable and powerful engine that has proven its worth in the heavy-duty commercial vehicle market. Its advanced features, robust construction, and wide range of applications make it a popular choice among vehicle owners and operators. By following proper maintenance procedures, you can ensure that your OM 904 LA engine remains in top condition for years to come.
