"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. Includes Large opening for fast fillup, Shape L shaped, Box Dimensions L x W x H in. 59 x 31 x 21 1/2, Lock Included Yes, Tank Size gal. 97, Tank Dimensions L x W x H in. 57 x 30 x 19, Material Type Aluminum, DOT Approved Yes, Compatible With Diesel, Lock Type Stainless steel key locks, Fits Models Fits 6, 8 foot truck beds, Overall Dimensions L x W x H in. 57 x 30 x 28, Finish Type Diamond plate, Tank Type Transfer/auxiliary. Aluminum Tank and Toolbox - NO RUSTING Heavy duty 0.125 ga. aluminum used for tank Toolbox built using 058 ga. aluminum Fully welded seams Reinforced lid 100 pressure tested and submerged to test for leaks Heavy duty 0.187 ga. aluminum mounting brackets Tank can be used to transport diesel, water, fertilizer, oil, and bio fuel Cannot be used to transfer gasoline to another vehicle Gas springs to assist opening and holding toolbox lid Stainless steel locking toolbox lid Tank meets DOT Standards Baffles in tank for reduced fuel sloshing Storage box is offset to allow for installation of 12V or manual pump Fits some short beds - measure for your application"