Tri/A, Cat 3176B diesel, 8LL transmission, 17 ft. aluminum dump body, electric tarp, double frame, walking beam rear suspension, 220 in. WB, 20,000 lb. fronts, 46,000 lb. rears, air lift third axle with 425/65R22.5 tires, 425/65R22.5 front tires, 11R22.5 rear tires