Availability

• The FX4 Off-Road Package is available on both the F-150 and the Ford Super Duty. The FX4 is available as a dealer-installed add-on on the Ford Super Duty XL, XLT and Lariat. The FX4 package trim level is the same for the F-150 and the Ford Super Duty.
  
  

Requirements

• To add the FX4 Off-Road Package to a Ford Super Duty, the truck must have a few specific features. The truck must be a 4X4 and have a limited slip axel. It also must have all-terrain tires.
  
  

Features

• The FX4 Off-Road Package features an electronic shift-on-the-fly transfer case, which allows the transmission to engage the four-wheel-drive electronically while the vehicle is in motion. It also has skid plates to protect the transfer case, front crossmember and fuel tank. The package also adds Rancho shocks and FX4 decals on the exterior of the truck.