"Aluminum tank is designed specifically for transferring diesel fuel and other nonflammable liquids from the bed of a pickup truck to remote or heavy equipment. Unit combines a transfer tank with a storage box on top. Diesel install kits Item#s 3490901, 3490902 and 43748, are also available sold separately. U.S.A. It is the user's responsibility to comply with local, state and federal requirements pertaining to safe transportation, loading and discharging of tank contents. Lock Type Stainless steel key locks, Tank Size gal. 60, Box Dimensions L x W x H in. 48 x 20 x 6 1/4, DOT Approved Yes, Finish Type Diamond plate, Includes Large opening for fast fillup, Fits Models 6 and 8 ft. beds, Shape Rectangle, Material Type Aluminum, Lock Included Yes, Tank Type Transfer/auxiliary, Compatible With Diesel, Overall Dimensions L x W x H in. 57 x 21 x 19 1/2, Tank Dimensions L x W x H in. 55 x 20 x 13 1/4. Baffled tank for reduced fuel sloshing Storage box is offset to allow for installation of 12V or manual pump Fits short bed Not intended to be used for gasoline"