2012 CAT CT660 Tandem Axle Truck - Chassis Only

2012 CAT CT660 tandem axle truck. Diesel. Eaton Fuller 10-speed manual transmission. Power windows / power locks. Heated mirrors. Approximately 259k miles. 235.5" from end of frame to fuel tank. Previous lube truck. CT13 Motor. 475 HP. Truck starts and runs. Engine fault code comes on when started.