This 1991 GMC TopKick C7500 Mega Hauler features a freshly rebuilt turbocharged diesel 3116 inline-6 engine with less than 10 miles on the build, paired with a 5-speed manual transmission. It boasts over 2,000 man-hours of custom modifications including a custom Denali interior, rebuilt gauge cluster, brand new turbo, complete stereo system, rear backup camera, touch screen head unit, custom crew cab configuration, shaved lights, relocated door handles, removable side step entry, stow-away compartments, a massive 50-gallon fuel tank, heavy-duty 5-ton rear axle, custom front and rear bumpers, raised suspension, and one-of-one dually super single wheels.