2018 MACK, GRANITE GU713, Heavy Duty Trucks - Dump Trucks, MACK MP8, Manual, Big Gold Dog! Super clean, low mileage quad axle dump. 18' - YD HilBilt bed, 45" sides, 51" gate, 1/4" AR floor & gate. MP8 455HP, T318LR Mack 18 SPEED! This Bulldog is front line ready to go!, 455 Horse Power, Camelback Suspension, Aluminum Wheels, 264 Wheel Base, , Axle, 4.19 Ratio, , VIN 1M2AX07C8JM037223