"Auxiliary fuel tank with toolbox built in Auxiliary tank has fittings so it can connect to your factory lines. 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 Overall Dimensions L x W x H in. 57 x 21 x 19, Lock Type Stainless steel key locks, DOT Approved Yes, Compatible With Diesel, Finish Type Diamond plate, Fits Models 2008 Ford and Dodge trucks, Lock Included Yes, Tank Size gal. 60, Box Dimensions L x W x H in. 48 x 20 x 6 1/4, Tank Dimensions L x W x H in. 55 x 20 x 12 3/4, Shape Rectangle, Includes Manual sight gauge, baffles, return, drain fittings, Material Type Aluminum, Tank Type Auxiliary. Baffled tanks for reduced fuel sloshing Large opening for fast fillups Cannot be used to transfer gasoline to another vehicle Not intended to be used for gasoline"