Cummins 6CT 8.3 Diesel Engine: Specs, Configuration, and Service Intervals

Cummins 6CT 8.3 Diesel Engine Specs

The Cummins 6CT 8.3 diesel engine is a powerful and reliable engine commonly used in a variety of applications, including trucks, buses, and industrial equipment. This article will provide you with detailed specifications of this engine, including its configuration, engine oil specs, and service intervals.

Engine Configuration

The Cummins 6CT 8.3 diesel engine is an inline six-cylinder engine with a displacement of 8.3 liters. It features a cast-iron block and cylinder head, providing durability and strength. The engine is turbocharged and aftercooled, allowing for improved performance and fuel efficiency.

The 6CT 8.3 engine has a bore of 114.0 mm and a stroke of 135.0 mm. It operates on a four-stroke combustion cycle, with a compression ratio of 17.0:1. The engine is designed to meet stringent emissions standards, ensuring compliance with environmental regulations.

Engine Oil Specs

Using the correct engine oil is crucial for maintaining the performance and longevity of the Cummins 6CT 8.3 diesel engine. Here are the recommended engine oil specifications:

• Oil Type: Cummins CES 20076 or API CJ-4/CI-4 Plus/CI-4/CH-4
• Viscosity Grade: SAE 15W-40
• Oil Capacity: Approximately 24 liters (6.3 gallons)

It is important to use high-quality engine oil that meets these specifications to ensure optimal lubrication and protection for the engine components.

Service Intervals

Regular maintenance is essential to keep the Cummins 6CT 8.3 diesel engine running smoothly. Here are the recommended service intervals for this engine:

• Oil Change: Every 250 hours or 15,000 miles, whichever comes first
• Oil Filter Replacement: Every oil change
• Fuel Filter Replacement: Every 500 hours or 30,000 miles, whichever comes first
• Air Filter Replacement: Every 1,000 hours or 60,000 miles, whichever comes first
• Coolant Flush and Replacement: Every 3 years or 30,000 miles, whichever comes first

Adhering to these service intervals will help ensure the engine operates at its best and minimize the risk of unexpected breakdowns or performance issues.

Detailed Engine Specifications

These detailed engine specifications provide a comprehensive overview of the Cummins 6CT 8.3 diesel engine, allowing you to understand its key features and capabilities. By following the recommended engine oil specs and service intervals, you can ensure the engine performs optimally and enjoys a long and reliable lifespan.