We know how important it is to keep your equipment safe from theft and the weather, while still needing to transport fuel. Auxiliary & Transfer Tanks with Toolbox Combinations are a great way to fuel on the go and keep your equipment safe. We offer both Diesel and Gasoline truck bed tanks with toolbox storage. Aluminum Tank Industries even offers DOT Approved Custom Designs! So if you don't find what you are looking for, please contact us for a custom quote. We offer a great selection of toolbox combination fuel tanks by Aluminum Tank Industries, Delta, Handy Industries, Titan Fuel Tanks, and RDS.