RDS L-Shaped Auxiliary Transfer Fuel Tank - 48 Gallon, Smooth and Diamond, Model# 70307 Tank comes with a 2in. female pipe thread coupling for manual or 12V transfer pump (not included) 55in.L x 18.5in.W x 17.5in.H overall size Fits some short beds; measure before ordering Diesel install kits (Item#s 3490901, 3490902 and 43748), are also available (sold separately)