S&B Filter 10-1004 60 Gallon Replacement Fuel Tank For 2017-2020 Powerstroke 6.7L Crew Cab Short Bed Tanks60 Gallon Replacement Tank For 2017 2020 Ford Powerstroke 6. 7L, Crew Cab Short Bed. This tank hold approximately 60 gallons of fuel. The float's empty position in the S&B Tank is the same as the OEM tank. Since the bottom surface area on the S&B Tank is larger, the 60 Gallon tank with have a greater fuel reserve. Discover How S&B Tanks Can Help You! Save Time. Go Further. Get More Out of Your Truck Being stuck with only a 34 gallon tank isn't fair.