RDS Fuel Tank - 60-Gallon Capacity, L-Shaped, Model# 72770 Auxiliary tank has fittings so it can connect to your factory lines L-Shape fits under roll locker Fits some short beds; please measure before ordering Diesel install kits (Item#s 3490901, 3490902 and 43748), are also available (sold separately) It is the user&#39;s responsibility to comply with local, state and federal requirements pertaining to safe transportation, loading and discharging of tank contents