Cummins 4B 3.9 Engine Specs
Engine Configuration
The Cummins 4B 3.9 engine is a four-cylinder, in-line engine that belongs to the B Series of engines produced by Cummins. It has a displacement of 3.9 liters, or 239 cubic inches, and is known for its durability and reliability. The engine is turbocharged, which helps improve its power output and overall performance.
Engine Oil Specs & Service Intervals
Proper engine oil specifications and regular service intervals are crucial for maintaining the performance and longevity of the Cummins 4B 3.9 engine. Here are some important details to consider:
Engine Oil Specifications
- The recommended engine oil for the Cummins 4B 3.9 engine is a high-quality diesel engine oil that meets the Cummins CES 20076 specification.
- The oil should have a viscosity grade of 15W-40, which ensures proper lubrication in a wide range of operating temperatures.
- It is important to use engine oil that meets the required specifications to ensure optimal performance and protection for the engine components.
Service Intervals
- The recommended service interval for changing the engine oil in the Cummins 4B 3.9 engine is every 250 hours of operation or six months, whichever comes first.
- Regular oil changes are essential to remove contaminants and maintain the oil’s lubricating properties.
- Additionally, it is important to replace the oil filter during each oil change to ensure proper filtration and prevent debris from circulating in the engine.
Detailed Engine Specifications
- The recommended service interval for changing the engine oil in the Cummins 4B 3.9 engine is every 250 hours of operation or six months, whichever comes first.
- Regular oil changes are essential to remove contaminants and maintain the oil’s lubricating properties.
- Additionally, it is important to replace the oil filter during each oil change to ensure proper filtration and prevent debris from circulating in the engine.
Detailed Engine Specifications
To provide a comprehensive overview of the Cummins 4B 3.9 engine, here are some detailed specifications:
| Engine Type | Four-cylinder, in-line |
|---|---|
| Displacement | 3.9 liters (239 cubic inches) |
| Configuration | Turbocharged |
| Compression Ratio | 16.5:1 |
| Power Output | Approximately 105-130 horsepower |
| Torque | Approximately 265-350 lb-ft |
| Fuel System | Direct Injection |
| Cooling System | Water-cooled |
| Oil Capacity | Approximately 10 quarts |
The Cummins 4B 3.9 engine is a reliable and efficient powerplant that offers impressive performance for a variety of applications. By adhering to the recommended engine oil specifications and service intervals, owners can ensure the longevity and optimal performance of this engine. Regular maintenance, including oil changes and filter replacements, is essential to keep the engine running smoothly and to prevent any potential issues.
0 Comments