Mitsubishi 6D31 Engine Specs
The Mitsubishi 6D31 engine is a powerful and reliable diesel engine that has been widely used in various applications, including trucks, buses, and construction equipment. This article will provide you with detailed information about the engine’s specifications, configuration, and recommended service intervals.
Engine Configuration
The Mitsubishi 6D31 engine is a six-cylinder, water-cooled, turbocharged diesel engine. It has a displacement of 5.86 liters (5861 cc) and features an overhead valve (OHV) design. The engine is known for its robust construction and excellent durability, making it suitable for demanding working conditions.
The 6D31 engine is equipped with a direct fuel injection system, which ensures efficient combustion and optimal fuel economy. It also incorporates an intercooler, which helps cool down the compressed air from the turbocharger, resulting in increased power output.
Engine Oil Specs & Service Intervals
Proper maintenance of the engine is crucial to ensure its longevity and optimal performance. One essential aspect of maintenance is regular oil changes. Here are the recommended engine oil specifications and service intervals for the Mitsubishi 6D31 engine:
- Engine Oil Specification: It is recommended to use a high-quality diesel engine oil that meets the API CF-4 or higher specification. The oil should have a viscosity grade of SAE 15W-40 for most operating conditions.
- Oil Capacity: The engine oil capacity of the 6D31 engine is approximately 15 liters.
- Oil Filter Replacement: The oil filter should be replaced at every oil change to ensure proper filtration and prevent contaminants from circulating in the engine.
- Service Intervals: It is recommended to change the engine oil and oil filter every 10,000 kilometers or 6 months, whichever comes first. However, for severe operating conditions, such as continuous heavy-duty use or dusty environments, more frequent oil changes may be necessary.
Detailed Engine Specifications
Here are the detailed specifications of the Mitsubishi 6D31 engine:
| Engine Model | 6D31 |
|---|---|
| Configuration | Six-cylinder, water-cooled, turbocharged diesel engine |
| Displacement | 5.86 liters (5861 cc) |
| Bore x Stroke | 104 mm x 115 mm |
| Compression Ratio | 17.5:1 |
| Max Power Output | 170 horsepower at 2,800 rpm |
| Max Torque | 520 Nm at 1,600 rpm |
| Fuel System | Direct Injection |
| Cooling System | Water-cooled |
These specifications provide a glimpse into the power and performance capabilities of the Mitsubishi 6D31 engine. Its robust design, coupled with regular maintenance, ensures reliable operation and longevity.
In conclusion, the Mitsubishi 6D31 engine is a formidable diesel engine known for its durability and performance. By adhering to the recommended engine oil specifications and service intervals, you can keep this engine running smoothly for years to come.
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