OM 473 Engine Specs: A Comprehensive Overview
The OM 473 engine, a product of the renowned Swedish manufacturer Volvo, has been a staple in the automotive industry for several decades. Known for its reliability and performance, this engine has found its way into a variety of vehicles, from trucks to buses. In this article, we delve into the specifications and features of the OM 473 engine, providing you with a detailed and multi-dimensional introduction.
Engine Specifications
The OM 473 engine is a 6-cylinder in-line diesel engine, which means it has a straight-line arrangement of the cylinders. Here are the key specifications:
| Parameter | Value |
|---|---|
| Number of Cylinders | 6 |
| Displacement | 12.7 liters (776 cubic inches) |
| Bore x Stroke | 125 mm x 140 mm |
| Compression Ratio | 16.5:1 |
| Power Output | 280 to 330 horsepower |
| Torque Output | 880 to 1,100 Nm |
These specifications make the OM 473 engine a powerful and robust option for heavy-duty applications.
Design and Construction
The OM 473 engine is designed with durability and efficiency in mind. Here are some of its key design and construction features:
-
Cast Iron Block and Cylinder Head: The engine block and cylinder head are made of cast iron, providing excellent strength and heat dissipation.
-
Direct Injection: The OM 473 engine features direct fuel injection, which improves combustion efficiency and reduces emissions.
-
Common Rail Fuel System: The engine utilizes a common rail fuel system, which provides precise fuel delivery and better combustion control.
-
Electronic Control Unit (ECU): The ECU manages the engine’s performance, ensuring optimal fuel consumption and emissions.
Applications
The OM 473 engine has been used in a wide range of vehicles, including:
-
Volvo Trucks: The engine is a popular choice for Volvo’s heavy-duty trucks, providing the power and reliability needed for long-haul operations.
-
Volvo Buses: The OM 473 engine has also been used in Volvo’s buses, offering a balance of power and efficiency for urban and intercity routes.
-
Other Manufacturers: The engine has been adapted for use in vehicles from other manufacturers, such as Renault Trucks and Scania.
Performance and Reliability
The OM 473 engine is renowned for its exceptional performance and reliability. Here are some factors contributing to its success:
-
Long Service Life: The engine is designed to last for thousands of hours, making it an ideal choice for heavy-duty applications.
-
Low Maintenance: The OM 473 engine requires minimal maintenance, reducing downtime and operating costs.
-
Excellent Fuel Efficiency: The engine’s design and technology contribute to its excellent fuel efficiency, making it a cost-effective option for operators.
Conclusion
The OM 473 engine is a testament to Volvo’s commitment to innovation and quality. With its impressive specifications, design, and performance, this engine has earned its place as a reliable and powerful choice for heavy-duty applications. Whether you’re operating a Volvo truck or bus, or using the engine in a different vehicle, the OM 473 is sure to deliver the performance and reliability you need.
