Cummins NTA855 Engine: Specifications, Configuration, and Service Intervals

Cummins NTA855 Engine Specs

The Cummins NTA855 engine is a powerful and reliable diesel engine that has been widely used in various applications, including heavy-duty trucks, construction equipment, and marine vessels. Let’s take a closer look at the specifications of this impressive engine.

Engine Configuration

The Cummins NTA855 engine is an inline, six-cylinder engine with a displacement of 14 liters (855 cubic inches). It features a four-stroke cycle, meaning it goes through intake, compression, power, and exhaust strokes to complete one combustion cycle.

This engine is turbocharged, which means it utilizes a turbocharger to force more air into the combustion chamber, resulting in increased power and efficiency. The NTA855 engine also incorporates an air-to-air aftercooling system, which cools down the compressed air before it enters the engine, further enhancing performance.

Engine Oil Specs & Service Intervals

Proper maintenance of the engine oil is crucial for the longevity and optimal performance of the Cummins NTA855 engine. Here are the recommended engine oil specifications and service intervals:

• Engine Oil Specification: The Cummins NTA855 engine requires a high-quality diesel engine oil that meets the Cummins CES 20076 or CES 20077 specifications. It is important to use oil that is specifically formulated for high-performance diesel engines to ensure proper lubrication and protection.
• Oil Capacity: The oil capacity of the NTA855 engine varies depending on the application and configuration. It is recommended to refer to the engine’s operation and maintenance manual for the specific oil capacity.
• Service Intervals: Cummins recommends changing the engine oil and oil filter every 250 hours or 6 months, whichever comes first. However, it is important to note that service intervals may vary based on operating conditions and the engine’s duty cycle. Regular oil analysis can help determine the optimal service intervals for your specific application.

Detailed Engine Specifications

To provide a comprehensive overview, here are the detailed specifications of the Cummins NTA855 engine:

In conclusion, the Cummins NTA855 engine is a robust and efficient diesel engine that offers impressive power and reliability. By adhering to the recommended engine oil specifications and service intervals, you can ensure the longevity and optimal performance of this remarkable engine.