RDS Aluminum Auxiliary Fuel Tank — 20-Gallon, Rectangular, Diamond Plate, Model# 74551

31,389.2735,689.17 (-12%)

In stock

This RDS 20-gallon auxiliary tank is a gravity-feed diesel tank that lets user increase their driving range and shop for better fuel prices. No more constant stopping when pulling a travel trailer or 5th wheel. Intended for highway use with diesel. Fits under a low profile toolbox. It is the user’s responsibility to comply with local, state and federal requirements pertaining to safe transportation, loading, and discharging of tank contents. U.S.A.



  • Fits under a low profile toolbox
  • Overall 50in.L x 21in.W x 7in.H
  • 20-gallon capacity
  • Vehicle rollover safety valve (vent)
  • Front corner fill with SpinSecure locking fuel cap
  • What’s Included

  • (1) Fuel tank and mounting hardware kit
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