Travel longer distances with fewer stops by upgrading the stock 26-gallon fuel tank on your 2011 Ford F-Series Super Duty diesel shortbed crew cab to Transfer Flow's larger 50-gallon replacement fuel tank system. The tanks are made from corrosion-resistant 12- and 14-gauge aluminized steel and are baffled for extra support. Tank systems come with straps and mounting hardware and meet all federal and state emission regulations. MSRP is $804.