350, 590 and 990 gallon fuel tanks are not approved for highway use, they are manufactured for off road and/or farm use only.

990 Gallon Fuel Tank, Large Front Tool Cabinet, 45 GPM Kohler “Elec Start” Gas Engine with MP Pump/35′ Hose/High Flow Auto Nozzle/Filter Kit, Mechanical 40 GPM Flow Meter, 35′ 1″ Spring Retractable Hose Reel, 90 Gal DEF Kit with 20′ Hose/Auto Nozzle/2 Way Fill, Charging Kit with 12V Battery, Interior Lighting, 5′ High Flood Tower *New Style*, Rear Enclosed Tool Cabinet, Removable Spare Tire Mount, Spare Aluminum Wheel, Round Diamond Plate Tear Drop Fenders, 2-7000LB Dexter Axles 2 Elect. Brakes, Aluminum Wheels, Three Baffles Spaced Evenly Inside Tank.

*New 2024 models include an upgraded rear cabinet latch system, fender sides steps on the driver side, side door gas spring assist, and can/jug holder.*