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Chevy C65 Specifications

by Erik Devaney

The Chevy C65 is a model of commercial semi-trailer truck that Chevrolet -- a subdivision of General Motors -- produced from 1968 to 2007. As a semi-trailer truck -- also known as a tractor-trailer or semi -- the C65 has an axle and wheel assembly at the back of its chassis that can support the front end of a trailer during towing. In contrast, full-trailer trucks can only tow trailers that have their own front and back axles.

Engine Type

At the core of the 2007 Chevy C65 is a Duramax diesel engine. Manufactured by General Motors, the Duramax is a V8 engine, which means it has eight piston chambers -- or cylinders -- and eight corresponding pistons that fire in and out of those cylinders. The cylinders are in a V-shaped configuration, with four cylinders comprising one side of the V-shape and four cylinders comprising the other side. As a diesel engine, the Duramax uses compression to ignite its fuel, as opposed to using spark plugs.

Power Output

Using its V8 Duramax engine, the 2007 Chevy C65 is able to generate 225 horsepower. One unit of horsepower is equal to 550 foot-pounds of work per second, or 745.7 watts.

Transmission

A truck’s transmission is responsible for transferring power from the engine to the wheels of the truck. The Chevy C65 has a manual transmission, which means you manually control its different power output settings, or gears, with a lever. According to Truck Paper, the C65’s transmission has six different gears.

Combustion Ratio

Combustion ratio refers to the volume of an engine’s cylinders when the pistons are at the bottom of their strokes, divided by the volume of the cylinders when the pistons are at the top of their strokes. As GMFleet.com notes, engines with high compression ratios tend to be more efficient than those with lower ratios. The ratio of the Chevy C65’s engine is 5.29.

Cab

The cab is the portion of a truck that encloses the operating controls and the driver. The 2007 Chevy CG5 has a standard, or traditional, cab. This means that the CG5’s engine is positioned predominately in front of the cab’s dashboard and seats. In contrast, tilt cabs have their engines below the dashboard and seats.

Suspension

As opposed to using traditional metal springs for its suspension -- or shock-absorbing -- system, the Chevy CG5 uses air ride suspension. This type of system relies on a compressor to create “springs” or cushions of pressurized air for absorbing impacts.

About the Author

Erik Devaney is a writing professional specializing in health and science topics. His work has been featured on various websites. Devaney attended McGill University, where he earned a Bachelor of Arts in humanistic studies.

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