Increase driving range with the RDS 40-Gallon Auxiliary Fuel Tank with Toolbox built in. Auxiliary tanks can be used as additional capacity for a factory tank with the use of an RDS diesel install kit (not included).Each tank comes with gas cap, drain fittings, manual sight gauge, and fuel filler shroud, along with internal baffles to reduce sloshing. Toolboxes come with linked stainless steel locks that also secure the fuel fill to prevent tampering, and two lift cylinders to hold open the crowned lid. All tanks meet DOT standards. Not intended to be used for gasoline. Made in U.S.A.• Special Permit issued by the US Department of Transportation (DOT)• Heavy-duty 0.125-gauge aluminum diesel tank• 0.058-gauge aluminum toolbox• 0.187-gauge aluminum mounting brackets• Stainless steel locks• Built-in baffles to reduce movement of contents and sloshing• Reinforced lid• Pressure tested for leaks• Uses include diesel, water, fertilizer oil, bio fuel, combustible fuel• Manual fuel sight gauge• Enclosed fuel fill areaSpecsRDS #: 72775Capacity: 40 gallonsDimensions: 55"L x 20"W x 19"HToolbox: 48"L x 10"HFinish: Tread PlateNOTE: For safety reasons, the filler neck of these tanks prevents them from being overfilled. Actual usable tank capacity is about 95% of the total advertised gallons. Internal baffles to reduce sloshing Linked stainless steel locks secure the fuel fill to prevent tampering Two lift cylinders to hold open the crowned lid | RDS 40-Gallon Auxiliary Diesel Fuel Tank and Toolbox Combo