RD688S, Heavy Duty Trucks - Dump Trucks, Mack E7, 8LL, Mac Dump Body, Steel 16 foot long and 61 inches tall bed, air gate, electric tarp, high lift gate, and one asphalt chute, 350 Horse Power, Camelback Suspension, Aluminum Outside Wheels, 208 Wheel Base, Front 385/65R22.5 Drop 255/70R22.5 Rear 11R24.5, Tri Axle, Ratio,