W5500, Medium Duty Trucks - Cab and Chassis Trucks, Isuzu , Automatic, This used 2008 GMC W5500 is a chassis only. The truck features standard A/C and AM/FM Radio, as well as cloth upholstery. It is in great condition and runs perfectly. Call today for finance and buying options, 190 Horse Power, Spring Suspension, Wheels, 150 Wheel Base, , Single Axle, Ratio,