4 axles, steerable tag axle, full differential lock, spring suspension, air brakes, 66,000 lbs GVWR, 20,000 lbs FAWR, 23,000 lbs RAWR, AC/Heat, heated mirrors, power windows, cruise control, 18′ steel dump bed (8′ W, 46″ side height, 8″ side board height), single ram, air-operated end gate, front 425/65R22.5, rear 11R22.5, and lift axle 215/75R17.5 tires.