MACK MP7 10.8 LITER 405 HP ENGINE 13 FOOT DUMP BODY TANDEM AXLE 4 FOOT HIGH BOX SIDES MACK 13 SPEED TRANSMISSION 49680 GVWR AIR CAB 627K ODOMETER This Mack dump truck is running well and ready to work. The bed is really solid and is steel with the round bottom. The mack engine and transmission are operating like they should and move this truck around easily. The bed is pto powered and easy to use. Feel free to call us with any questions