GMC C7500 Engine Specifications

The GMC C7500 is a robust medium-duty truck that has been widely used in various commercial applications. Its engine specifications are crucial for understanding its performance, efficiency, and suitability for different tasks. Below is a detailed overview of the engine specifications for the GMC C7500.

Engine Type Displacement Cylinders Horsepower Torque Fuel Type
V8 Diesel 6.6L 8 300 hp 660 lb-ft Diesel
V8 Gasoline 8.1L 8 330 hp 455 lb-ft Gasoline

Engine Configuration

The GMC C7500 is equipped with either a diesel or gasoline engine, each designed to meet specific performance needs. Understanding the engine configuration is essential for maintenance and operational efficiency.

Diesel Engine Configuration

-Type: V8
-Displacement: 6.6 liters
-Cylinders: 8
-Fuel System: Direct injection
-Turbocharged: Yes
-Cooling System: Liquid-cooled

Gasoline Engine Configuration

-Type: V8
-Displacement: 8.1 liters
-Cylinders: 8
-Fuel System: Multi-port fuel injection
-Turbocharged: No
-Cooling System: Liquid-cooled

Engine Oil Specifications

Proper engine oil selection is vital for the longevity and performance of the GMC C7500. The following specifications outline the recommended oil types and service intervals.

Recommended Engine Oil

-Diesel Engine:
-Oil Type: Synthetic or conventional
-Viscosity: 15W-40 or 10W-30
-API Rating: CJ-4 or higher

-Gasoline Engine:
-Oil Type: Synthetic or conventional
-Viscosity: 5W-30 or 10W-30
-API Rating: SM or higher

Engine Oil Capacity

-Diesel Engine: Approximately 10 quarts (with filter)
-Gasoline Engine: Approximately 7 quarts (with filter)

Service Intervals

Regular maintenance is key to ensuring the GMC C7500 operates efficiently. The following service intervals are recommended for oil changes and other essential maintenance tasks.

Oil Change Intervals

-Diesel Engine: Every 5,000 to 7,500 miles or every 6 months, whichever comes first.
-Gasoline Engine: Every 3,000 to 5,000 miles or every 6 months, whichever comes first.

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Additional Maintenance Tasks

-Air Filter Replacement: Every 15,000 to 30,000 miles.
-Fuel Filter Replacement: Every 20,000 to 30,000 miles.
-Coolant Flush: Every 2 years or 30,000 miles.
-Transmission Fluid Change: Every 30,000 to 60,000 miles.

Conclusion

The GMC C7500 is a versatile truck that offers powerful engine options suitable for various commercial applications. Understanding the engine specifications, configuration, oil requirements, and service intervals is essential for maximizing performance and ensuring longevity. Regular maintenance, including timely oil changes and other essential services, will help keep the GMC C7500 running smoothly and efficiently for years to come.

Categories: GMC

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