GMC W5500 Specifications

by Tim McQuade

The W5500 is a medium-sized commercial truck manufactured by the General Motors Corporation. The GM subsidiary company, Chevrolet, also produced the W5500, but the truck stayed relatively the same. The W5500 can be used for a variety of commercial applications, such as a box-truck or a flatbed design. In 2010, the MSRP for a new W5500 is approximately $50,000.

Engine Specifications

The W5500 uses an inline four-cylinder engine of the 4HK1-TC series. The fuel system is turbocharged direct injection diesel. The total displacement is 5.19 liters, or 317 cubic inches. The total horsepower is 205 at 2,400 rpm and the total torque is 441 foot-pounds at 1,850 rpm. The torque ratio when the clutch becomes engaged is 265 ft-lbs while the governed engine speed is 2,800 rpm.

Performance Specifications

The front axle capacity is 6,830 lbs and the rear axle capacity is 14,550 lbs. The front tire capacity is 3,640 lbs and the rear tire capacity is 3,415 lbs. The turning diameter, curb to curb, is 33.5 ft. Front spring capacity is 8,440 lbs and the rear spring capacity is 14,550 lbs. Frame strength is 44,000 lbs.


Total fuel tank capacity is approximately 30 gallons. The total exterior length is 200 inches, the width is 81.3 inches and the height is 91 inches. The front overhang is 48 inches and the rear overhang without the bumper is 43 inches. The front bumper to the back of the cab is 71 inches. The ground clearance is 8.3 inches while the wheelbase is 109 inches. The interior head room is 38.4 inches, front leg room is 29.5 inches, front shoulder room is 70.7 inches and front hip room is 67.7 inches. The front and rear wheel size is 19.5 by 6 inches. The front and rear tire size is 225/70R19.5F.


The front and rear wheels are made of steel and the front stabilizer bar is 1.65 inches in diameter. The front suspension design is a tapered leaf while the rear suspension type is a multi-leaf. The front brakes are discs and the rear are drum brakes. The transmission is the Aisin A465 six-speed, automatic with overdrive. The body is a tilt chassis cab and the cab can seat three. This truck uses a four-wheel anti-lock brake system and has power-steering.

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