Auxiliary Diesel Fuel Tanks – 63 Gallon

Lower fuel costs and increase your driving range with an auxiliary fuel tank that mounts behind the cab in your pickup.Made of no-rust diamond tread plated aluminum with internal baffles to reduce slosh, secure fill compartment to prevent theft and manual sight fuel gauge. Fits under most tonneau covers and won’t interfere with 5th wheel towing. Features a lockable gas cap. Optional Diesel Install Kits available to easily connect your auxiliary tank to your truck fuel fill line (CW# 56511, 85005, or 56512 depending on your truck model. Meets DOT standards for diesel and bio-diesel. Bolts into truck bed with integrated mounting tabs. Models available for most popular pickups. For safety reasons, the filler neck on RDS fuel tanks prevents them from being overfilled. Actual usable tank capacity is about 95% of the total advertised gallons due to fuel expansion in warmer climates.