Auxiliary fuel tank with toolbox built in! Auxiliary tank has fittings so it can connect to your factory lines. (Diesel install kits available, sold separately). U.S.A. It is the users responsibility to comply with local, state and federal requirements pertaining to safe transportation, loading and discharging of tank contents Tank Size (gal.): 41, Tank Dimensions L x W x H (in.): 57 x 18 x 12 3/4, Box Dimensions L x W x H (in.): 51 x 18 x 9, DOT Approved: Yes Rectangle (beveled front) Diamond treadplate aluminum Baffled tanks for reduced fuel sloshing Large opening for fast fillups Toolbox has stainless steel locks, 2 cylinders to open lid Fits short bed Tank comes with suction tube, manual sight gauge, baffles, return and drain fittings Cannot be used to transfer gasoline to another vehicle Not intended to be used for gasoline