How do I identify my Ford rear axles?

How to Identify Ford Rear Axles
Identifying your Ford rear axles can be done using various methods. Here are a few ways to help you identify the differential you are working on:
1. Differential Tags and Stampings: The most accurate identification can be obtained from the bottom line of the tag number or axle tube stamp. Differential tags can be used to identify Dana and Ford differentials. The Dana Aftermarket Media Library can be used to identify a particular axle using the Bill of Materials (BOM) number.
2. Door Sticker: The easiest way to identify the axle and gear ratio in your Ford truck is from the door sticker. Open the driver’s door and look at the door jamb. You will see a sticker with an area labeled “Axle Code.” The chart below the sticker can help you identify the code and corresponding gear ratio.
3. Online Resources: There are several online resources available that provide detailed information and identification charts for Ford axles. Websites like DIYFord.com and Ford Truck Enthusiasts Forums have articles and discussions that can help you identify your specific axle.
Remember, if you are unsure or need further assistance, it is always recommended to consult with a differential expert or contact the manufacturer directly for accurate identification and guidance.
I hope this information helps you identify your Ford rear axles! Let me know if you have any other questions.

How do I know what rear gear I have?

Check the Differential Cover
The axle may have a sticker, and on the differential cover, you might have a small metal tag that’s sticking out that will have the gear ratio stamped on it.

How do I identify my Ford Dana axle?

The Dana Axle Bill of Material Number will tell us what your axle model is, the ratio, and what parts your particular axle was built with. There should be a metal Dana BOM Tag held on by two of the diff cover bolts. There should also be a white Ford assembly decal on the right axle beam.

How do I tell what rear end is in my truck?

Visual Differential Identification
Without an ID tag, differentials are identified by the number of cover bolts, the distinctive shape of the cover, the number of ring gear bolts, and ring gear diameter. They can also be identified by whether the center section is an integral or dropout design.

How do you decode a Ford axle tag?

Whether. It needs an additive or not usually that’s on those tags also. As far as identifying Ford. Gives most of the Fords will have the same format. So your super duties your f-150 is your Mustangs.

What kind of rear axle do I have?

Mark the wheel and the drive shaft with chalk or masking tape. Turn the wheel TWO revolutions and count the number of driveshaft turns. The number of driveshaft rotations will help you determine your rear axle ratio. For example, if it turned 3 and a half times, it’s a 3.50:1 ratio.

How do I know if I have 8.8 or 9.75 rear end?

On the passenger’s side upper and lower corners, there’s two semi-circular divots that can easily be seen when looking at the cover from straight on. While the Super 8.8’s cover has a bulge for the ring gear, it’s not anywhere near as pronounced as the 9.75’s.

How do I identify my axle?

Sprung and Torflex axle labels can be found on the side of the axle facing your rear bumper. The axle label provides critical manufacturing information, including the axle serial number, axle capacity, and axle build information. Locating your axle label will help ensure that you identify your axle correctly.

How do you identify the axle number?

This stamped number can usually be found on the righthand side or on the longer axletube on the same side of the tube as the differential cover, facing the rear of the truck. The number can be used to identify the axle, the year of manufacture, and the model vehicle the axle originally came from.

What is the ID tag on a Ford 8.8 rear end?

A Ford identifying tag is attached to one of the rear cover bolts. The four-letter code on the top right of the tag will be a dead giveaway as to whether you have found an 8.8-inch axle. The first three digits of these codes are listed with the original applications mentioned on the chart.

How do I find my axle code?

Open the front door on the driver’s side. Locate the Truck Safety Compliance Certification Label on the door pillar near the door latch. Locate the two-digit code in the box labeled “AXLE,” which is just below the bar code.