40 Gallon*, extra heavy duty, frame mounted, after-axle replacement tank. Tank is constructed of military grade cross-linked polyethylene (XLHDPE). Compatible with most bio-diesel : Sending Unit is NOT included with tank. For F-350, F-450, and F-550 Narrow Frame, Cab and Chassis vehicles. For model years 2011-2016 •LIFETIME WarrantyTank solves the problem of lining failure and corrosion in steel OEM tanks caused by fuel quality issues which can lead to extremely expensive fuel system repairs. Tank is light in weight, corrosion-proof, extremely durable and features a drain plug for easy maintenance. Complete with rollover vent valve, and stainless steel interior in the place of the OEM stock tank. For diesel fueled vehicles overall tank dimensions: 29.95 in. x 31.1 in. x 15.00 in.. Shipping box dimensions, approximate: 32 in. x 32 in. x 16 in.. Gross Shipping weight: 44 most cases this product replaces the following original FORD equipment part numbers: CC3Z9B210B, CC3Z9002B