Cummins QSB 6.7 Engine: Specs, Configuration, and Service Intervals

Cummins QSB 6.7 Engine Specs

The Cummins QSB 6.7 engine is a powerful and reliable diesel engine that is commonly used in a variety of applications, including trucks, buses, and construction equipment. This engine is known for its durability, efficiency, and performance. In this article, we will explore the engine configuration, engine oil specifications, and service intervals of the Cummins QSB 6.7 engine.

Engine Configuration

The Cummins QSB 6.7 engine is an inline six-cylinder engine with a displacement of 6.7 liters. It features a four-stroke cycle and a turbocharger, which helps improve power and efficiency. The engine is designed to meet strict emission standards and is equipped with advanced fuel injection technology for optimal performance.

• Engine Type: Inline six-cylinder
• Displacement: 6.7 liters
• Stroke Cycle: Four-stroke
• Turbocharged: Yes

Engine Oil Specs

Using the correct engine oil is crucial for maintaining the performance and longevity of the Cummins QSB 6.7 engine. The engine oil should meet the recommended specifications to ensure proper lubrication and protection against wear and tear. Here are the engine oil specifications for the Cummins QSB 6.7 engine:

• Recommended Engine Oil: Cummins CES 20081
• Viscosity Grade: SAE 15W-40
• Oil Capacity: Varies depending on the application

It is important to note that using the wrong engine oil or not following the recommended service intervals can result in engine damage and void the warranty.

Service Intervals

Regular maintenance and servicing are essential for keeping the Cummins QSB 6.7 engine in optimal condition. Following the recommended service intervals helps prevent potential issues and ensures the engine operates efficiently. Here are the general service intervals for the Cummins QSB 6.7 engine:

• Oil Change: Every 15,000 miles or 12 months, whichever comes first
• Fuel Filter Replacement: Every 15,000 miles or 12 months
• Air Filter Replacement: Every 30,000 miles or 24 months
• Coolant Flush: Every 60,000 miles or 48 months

It is important to consult the engine’s manual or contact a certified Cummins service provider for the specific service intervals based on the engine’s application and usage.

Detailed Engine Specifications

To provide a comprehensive overview of the Cummins QSB 6.7 engine, here are the detailed engine specifications:

Remember to always refer to the engine’s manual or consult a certified Cummins service provider for the most accurate and up-to-date information regarding the Cummins QSB 6.7 engine specifications, engine oil requirements, and service intervals.

In conclusion, the Cummins QSB 6.7 engine is a reliable and powerful diesel engine that offers excellent performance. By following the recommended engine oil specifications and service intervals, you can ensure the longevity and optimal performance of your Cummins QSB 6.7 engine. Regular maintenance and servicing are key to keeping this engine running smoothly for years to come.