Cat D379 Engine: Specifications, Configuration, Oil Specs & Service Intervals

Cat D379 Engine Specs

The Cat D379 engine is a powerful and reliable engine that has been widely used in various applications, including heavy-duty trucks, construction equipment, and power generation. This article will provide you with detailed information about the engine’s specifications, configuration, engine oil specs, and service intervals.

Engine Configuration

The Cat D379 engine is a V12, four-stroke diesel engine with a displacement of 32.1 liters (1959 cubic inches). It features a cast iron block and cylinder heads, providing excellent durability and heat dissipation. The engine has a bore of 159 mm (6.25 inches) and a stroke of 203 mm (8 inches), resulting in a high torque output.

The engine is equipped with a direct injection fuel system, which ensures efficient combustion and improved fuel economy. It also has a turbocharger and an air-to-air aftercooler, which helps in increasing the engine’s power and reducing emissions.

Engine Oil Specs & Service Intervals

Proper maintenance and regular oil changes are crucial for the longevity and performance of the Cat D379 engine. Here are the engine oil specifications and recommended service intervals:

• Engine Oil Specification: The engine requires a high-quality diesel engine oil that meets the Cat ECF-1 specification. It is important to use oil with the correct viscosity to ensure proper lubrication and protection against wear.
• Oil Capacity: The engine has an oil capacity of approximately 94 liters (25 gallons).
• Oil Filter: It is recommended to replace the oil filter during every oil change to ensure the removal of contaminants and maintain oil cleanliness.

Service Intervals

To keep your Cat D379 engine running smoothly, it is essential to follow the recommended service intervals. Here are the general guidelines:

1. Oil Change Interval: The engine oil should be changed every 250 hours of operation or every 6 months, whichever comes first.
2. Oil Filter Replacement: The oil filter should be replaced during every oil change.
3. Air Filter Replacement: The air filter should be inspected regularly and replaced if necessary to ensure proper airflow and prevent engine damage.
4. Fuel Filter Replacement: The fuel filter should be replaced every 500 hours of operation or as recommended by the manufacturer.
5. Coolant Replacement: The engine coolant should be replaced every 2 years or as recommended by the manufacturer to prevent overheating and corrosion.

It is important to note that these service intervals may vary depending on the operating conditions and application of the engine. Therefore, it is always recommended to consult the engine’s operation and maintenance manual for specific guidelines and recommendations.

In conclusion, the Cat D379 engine is a robust and reliable engine that offers impressive performance. By following the recommended engine oil specifications and service intervals, you can ensure the longevity and optimal performance of your Cat D379 engine. Regular maintenance and proper care will help you get the most out of this powerful engine in your applications.