Nissan UD 6 Engine Specifications
The Nissan UD 6 engine is a robust powerplant designed for commercial vehicles, particularly in the heavy-duty segment. This engine is known for its reliability and efficiency, making it a popular choice among fleet operators and transport companies. Below are the detailed specifications of the Nissan UD 6 engine.
| Specification | Details |
|---|---|
| Engine Type | Inline 6-cylinder, 4-stroke diesel engine |
| Displacement | 6.0 liters (approximately 366 cubic inches) |
| Bore x Stroke | 100 mm x 120 mm |
| Compression Ratio | 17.5:1 |
| Maximum Power Output | Approximately 240 hp (179 kW) at 2,500 rpm |
| Maximum Torque | Approximately 706 Nm (520 lb-ft) at 1,500 rpm |
| Fuel System | Direct injection |
| Turbocharger | Yes, with intercooler |
| Cooling System | Water-cooled |
| Weight | Approximately 800 kg (1,764 lbs) |
Engine Configuration
The Nissan UD 6 engine features a well-engineered configuration that contributes to its performance and durability. Here are some key aspects of its configuration:
- Inline Configuration: The inline 6-cylinder layout provides a balance of power and smooth operation, reducing vibrations and enhancing driving comfort.
- Turbocharged: The turbocharger increases the engine’s efficiency and power output by forcing more air into the combustion chamber.
- Direct Injection: This technology allows for better fuel atomization, resulting in improved combustion efficiency and reduced emissions.
- Intercooler: The intercooler cools the compressed air from the turbocharger, increasing its density and allowing for more oxygen to enter the engine, which improves performance.
Engine Oil Specifications
Proper lubrication is crucial for the longevity and performance of the Nissan UD 6 engine. Here are the recommended engine oil specifications:
| Specification | Details |
|---|---|
| Oil Type | SAE 15W-40 or 10W-30 (API CF or higher) |
| Oil Capacity | Approximately 18 liters (4.8 gallons) |
| Oil Filter | Replace with every oil change |
Service Intervals
Regular maintenance is essential to ensure the Nissan UD 6 engine operates efficiently. Here are the recommended service intervals:
- Oil Change: Every 10,000 km (6,200 miles) or 6 months, whichever comes first.
- Oil Filter Replacement: Every oil change.
- Fuel Filter Replacement: Every 20,000 km (12,400 miles).
- Air Filter Replacement: Every 15,000 km (9,300 miles) or as needed based on operating conditions.
- Coolant Change: Every 50,000 km (31,000 miles) or 2 years.
Conclusion
The Nissan UD 6 engine is a powerful and efficient diesel engine that meets the demands of heavy-duty applications. With its inline configuration, turbocharging, and direct injection technology, it offers a blend of performance and reliability. Adhering to the recommended engine oil specifications and service intervals will ensure that this engine continues to perform optimally for years to come. Regular maintenance not only extends the engine’s lifespan but also enhances fuel efficiency and reduces the risk of costly repairs.
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