Cummins N11 Engine: Specifications, Configuration, and Service Intervals

Cummins N11 Engine Specs

The Cummins N11 engine is a powerful and reliable engine that is commonly used in a variety of applications, including heavy-duty trucks, buses, and construction equipment. This article will provide detailed information about the engine configuration, engine oil specifications, and service intervals for the Cummins N11 engine.

Engine Configuration

The Cummins N11 engine is a 11.8-liter, six-cylinder engine that is designed to deliver exceptional performance and fuel efficiency. It features a high-pressure common rail fuel system, which ensures precise fuel injection and combustion for optimal power output. The engine also incorporates advanced technologies such as a variable geometry turbocharger and an integrated engine brake, which further enhance its performance capabilities.

Here are some key specifications of the Cummins N11 engine:

• Displacement: 11.8 liters
• Number of cylinders: 6
• Bore and Stroke: Unknown
• Compression Ratio: Unknown
• Aspiration: Variable Geometry Turbocharger
• Fuel System: High-Pressure Common Rail
• Engine Brake: Integrated

Engine Oil Specs & Service Intervals

Proper maintenance of the engine oil is crucial for the longevity and performance of the Cummins N11 engine. The engine oil specifications and service intervals recommended by Cummins are as follows:

• Engine Oil Type: Cummins recommends using a high-quality diesel engine oil that meets the specifications of CES 20086 or CES 20081. Always refer to the engine oil manufacturer’s recommendations for the specific oil type and viscosity grade suitable for your operating conditions.
• Oil Capacity: The exact oil capacity of the Cummins N11 engine may vary depending on the application and equipment. It is important to refer to the engine’s operation and maintenance manual for the correct oil capacity.
• Oil Change Interval: Cummins recommends changing the engine oil and oil filter at regular intervals. The specific oil change interval may vary depending on factors such as operating conditions, duty cycle, and oil analysis results. It is recommended to consult the engine’s operation and maintenance manual for the recommended oil change interval.

Detailed Engine Specifications

For a more comprehensive understanding of the Cummins N11 engine specifications, refer to the following detailed engine specifications chart:

In conclusion, the Cummins N11 engine is a robust and efficient engine that offers exceptional performance. Its six-cylinder configuration, variable geometry turbocharger, and high-pressure common rail fuel system contribute to its power and fuel efficiency. Proper maintenance, including using the recommended engine oil and adhering to the specified service intervals, is essential for ensuring the longevity and optimal performance of the Cummins N11 engine.