Cummins 6.7 220HP Engine, Allison 2200 RDS, 5.56 rear axle ratio, air brakes, air suspension, Elliott bed. 9 product tanks: 2-55 gallon anti freeze, 3-60 gallon oil, 2-120 gallon oil, 1-150 gallon oil, 1-200 gallon waste oil, 1-120lb grease, 12-hose reels, . Vise mounted on rear bumper. Stellar air compressor. 26,000 GVWR.11R22.5 tires at 80%