2018 Mack Granite GU813, Engine Mack -445C 445 HP at 1300-1700 RPM 120 1500W block heater , Transmission Mdrive F series, Furn F1-61R parker pump, Dana Spicer SPL250HDXl ext lube series, , Front axle FLX2-0 STD , Front Brakes Meritor S Cam 16.5x6", Rear Axle RT46-164EH 46,000lb Meritor, suspension 20,000 taperleaff, Rear Brakes Meritor Cam 16.5x7 Q+, Differential Diff lock, Frame and wheelbase, front axle spacing 80", Dump Body 20.5' L x 60" to 54" taper sides Hardox 450 liner