Caterpillar 350 Hp, Allison 6 speed. 100 gallon fuel tank on each side. 4 camera system and hitch camera. Includes 34k fifth wheel hitch. Less than 5k miles on 22.5 fronts and Super Single rears. Outstanding stereo system, Navigation, Bluetooth, i-phone charging connection. DVD with wireless headsets. Triple train horn, 25 ft air hose reel. Heated seats, custom exterior and interior LED lighting. Class 5 tow hitch. Everything works as it should and the truck runs great. Brand new batteries. Owned since 2012. Used for towing a 36 ft grand design camper. Any questions or more pictures feel free to ask.