Cat 4.4 Engine Specs
The Cat 4.4 engine is a powerful and reliable piece of machinery that has gained popularity in various industries. With its exceptional performance and durability, it has become a go-to choice for many applications. Let’s dive into the specifications of this remarkable engine.
Engine Configuration
The Cat 4.4 engine is a four-cylinder, turbocharged, and air-to-air aftercooled power unit. It is designed to deliver optimal performance while maintaining fuel efficiency. The engine’s displacement is 4.4 liters, providing ample power for a wide range of applications.
Engine Oil Specs
Proper engine oil is crucial for maintaining the longevity and performance of any engine, including the Cat 4.4. Here are the recommended engine oil specifications for this engine:
- Oil Type: It is recommended to use high-quality diesel engine oil that meets the Cat ECF-3, API CJ-4, or ACEA E9 specifications.
- Viscosity: The recommended viscosity grade is SAE 15W-40. However, it is essential to consult the engine manual or Cat dealer for specific viscosity requirements based on operating conditions.
- Oil Capacity: The Cat 4.4 engine typically requires around 10-12 liters of engine oil, but it is always best to refer to the engine manual for the exact capacity.
Service Intervals
Regular maintenance and servicing are vital to keep the Cat 4.4 engine running smoothly. Here are the recommended service intervals for this engine:
- Oil Change: The engine oil should be changed every 250 hours of operation or as recommended by the manufacturer. Regular oil analysis can help determine if the oil change interval needs adjustment.
- Oil Filter Replacement: The oil filter should be replaced during every oil change or as per the manufacturer’s guidelines.
- Air Filter Replacement: The air filter should be inspected regularly and replaced when it becomes dirty or clogged. The frequency of replacement may vary depending on operating conditions.
- Fuel Filter Replacement: The fuel filter should be replaced every 500 hours or as recommended by the manufacturer. However, it is essential to monitor fuel quality and replace the filter if necessary.
- Other Maintenance: Regular inspections of belts, hoses, and coolant levels are also crucial. It is recommended to follow the maintenance schedule provided in the engine manual for comprehensive servicing.
Detailed Engine Specifications
To provide a comprehensive overview, here are the detailed specifications of the Cat 4.4 engine:
| Specification | Value |
|---|---|
| Engine Type | Four-cylinder, turbocharged, air-to-air aftercooled |
| Displacement | 4.4 liters |
| Power Range | 74-173 horsepower |
| Torque Range | 295-520 lb-ft |
| Compression Ratio | 17.3:1 |
| Aspiration | Turbocharged |
| Aftercooler | Air-to-air |
| Oil Capacity | 10-12 liters |
| Oil Type | Cat ECF-3, API CJ-4, or ACEA E9 |
| Viscosity Grade | SAE 15W-40 |
In conclusion, the Cat 4.4 engine is a robust and efficient power unit that offers exceptional performance. By following the recommended engine oil specifications and service intervals, you can ensure its longevity and reliability. Whether used in construction, agriculture, or other industries, the Cat 4.4 engine is a reliable choice for powering your equipment.
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