Cat c7 motor and Allison 3000 six speed transmission. Everything works well extremely clean 2007 Fleetwood discovery 39S has washer and dryer and every option except for outdoor entertainment. Only 49,000 miles. Four New 6v batteries, new inverter, new battery wires, new tires and new front brakes, pretty much Everything has been gone through. Let me know if you would like to come see it or I can get better pictures.