For sale is a 1991 GMC 3500 truck with tool Box. The Box is a knapheide Utility body with an onan 6.5kw generator. The generator is wired to the truck battery and fuel tank. The Box has a 2" ball/pintle Combo hitch. The truck has a 5.7 L engine and a 4L80E transmission. The rear axle ratio 4.10. It has 127000 original miles.
I just replaced the head gaskets with a set of fel-pro performance gaskets. All other gaskets replaced as well. New spark plugs, wires, and distributor. Transmission and diff recently serviced as well.