How do I know what Ford rear end I have?
How do I know what Ford rear end I have? The model number is located on the top right hand corner of the tag, J210-S, for example. Locate the identification tag on Ford manufactured rear end units. According to Fordification.com, the tag is located on the driver's side of the unit, mounted vertically, facing the front of the vehicle. How big is the rear axle on a Ford F150? To receive a quote please select the appropriate year for your Ford F150. 9.75" ring gear Base payload package (6 lug axles) w/o electric locking differential 3.73 ratio 9.75" ring gear...