GMC Cab & Chassis. 2006 GMC truck with 324’156 miles. Duramax 7.8 liter, 475 CID, 300 horse power diesel engine. Transmission is a Eaton Fuller 8 speed + Lo & Lo-Lo. The truck has AC and decent front tires with like new rear tires. Frame measurement from rear of cab to end is 20′ feet 4″inches and cab to center rear axle measurement is 13′ feet 4″inches. It’s a very clean, well maintained, great running truck.