"RDS Auxiliary Transfer Fuel Tank is designed for transferring diesel fuel and other nonflammable liquids from the bed of a pickup truck to remote or heavy equipment. It is the user's responsibility to comply with local, state and federal requirements pertaining to safe transportation, loading and discharging of tank contents. Not for use with gasoline. Cannot be used to transfer gasoline to another vehicle. U.S.A. Compatible With Nonflammable/nonhazardous liquid, Inlet Diameter in. 2, DOT Approved Yes, Finish Type Diamond plate, Overall Dimensions L x W x H in. 38 1/2 x 22 x 19, Includes Rollover valve, Shape Rectangle, Mounting Type Truck bed, Tank Type Transfer/auxiliary, Outlet Diameter in. 2, Tank Dimensions L x W x H in. 36 1/2 x 22 x 16 1/2, Tank Size gal. 55, Mounting Hardware Included Yes, mounting tabs, Works With Fits 5, 6, 8 foot truck beds, Material Type Aluminum. Large opening for fast fillups Tank comes with a 2in. female pipe thread coupling for manual or 12V transfer pump not included Diesel install kits Item#s 3490901, 3490902 and 43748, are also available sold separately"