4 State Trucks has a large selection of high quality aftermarket International Fuel Tanks. Our cylindrical tanks come in a variety of capacities up to 68 inch length and 150 gallon; 53 gallon and 63 gallon D Shape fuel tanks with or without a step; and rectangular tanks in 28 gallon or 60 gallon capacities. Secure your new Navistar fuel tank with aftermarket International tank brackets and top off your purchase with fittings, splitters, pickup tubes, trim, liners, a cover and more.