OM 471 Engine: A Comprehensive Overview
The OM 471 engine, a product of the renowned Swedish automaker Volvo, has been a staple in the automotive industry for several decades. Known for its reliability and performance, this engine has been a favorite among car enthusiasts and professionals alike. In this article, we will delve into the various aspects of the OM 471 engine, including its design, specifications, and applications.
Design and Development
The OM 471 engine was first introduced in the early 1990s as a replacement for the older B21A engine. It was designed to meet the stringent emission standards of the European Union while providing excellent performance. The engine is a 5-cylinder, inline configuration, which has become a hallmark of Volvo’s engine design philosophy.
One of the key features of the OM 471 engine is its cast-iron block and cylinder head. This design choice provides excellent durability and heat dissipation, making it suitable for both on-road and off-road applications. The engine also features a timing chain instead of a timing belt, which contributes to its long service life and reduced maintenance costs.
Specifications
Here are the key specifications of the OM 471 engine:
| Parameter | Value |
|---|---|
| Engine Type | 5-cylinder, inline |
| Displacement | 2.4 liters |
| Bore x Stroke | 96.0 mm x 82.0 mm |
| Compression Ratio | 9.5:1 |
| Power Output | 150 hp (110 kW) @ 5,000 rpm |
| Torque Output | 210 Nm @ 3,500 rpm |
| Valve Train | DOHC, 4 valves per cylinder |
| Fuel System | Multi-point fuel injection |
The OM 471 engine is available in both naturally aspirated and turbocharged variants. The turbocharged version, known as the OM 471T, produces 180 hp (134 kW) and 240 Nm of torque, making it a more powerful option for heavy-duty applications.
Applications
The OM 471 engine has been used in a wide range of Volvo vehicles, including the following:
- Volvo 740
- Volvo 940
- Volvo 960
- Volvo 960 Wagon
- Volvo 960 AWD
- Volvo 960 V8
- Volvo 960 T8
- Volvo 960 T8 AWD
In addition to Volvo, the OM 471 engine has also been used in other vehicles, such as the Saab 9000 and the Audi 100. Its versatility and reliability have made it a popular choice among manufacturers and consumers alike.
Performance and Reliability
The OM 471 engine is renowned for its excellent performance and reliability. Its robust design and high-quality components ensure that it can withstand the rigors of daily driving and heavy-duty applications. The engine’s long service life and minimal maintenance requirements have also contributed to its popularity.
One of the key factors contributing to the engine’s performance is its advanced combustion technology. The engine features a high compression ratio and a sophisticated fuel injection system, which allows for efficient combustion and reduced emissions. This results in smooth power delivery and excellent fuel economy.
Conclusion
The OM 471 engine is a testament to Volvo’s commitment to innovation and quality. Its design, specifications, and applications make it a standout engine in the automotive industry. Whether you’re a car enthusiast or a professional, the OM 471 engine is sure to impress with its
