What does Ford axle code 39 mean?

The sticker on my truck's doorjamb has 39 printed in the axle column, but I don’t know what that means. Can you tell me what Ford axle code 30 means?

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Answer provided by
Heather Bernhard
Answered on Apr 21, 2022
A truck’s axle code tells you what type of differential and ratio you have. For example, based on Ford axle code 39, it looks like you have a Ford F250 with a 3.55 non-limited slip differential. A non-limited slip differential is equipped with electronic operation control, so it only offers partial locking on slippery ground. Unfortunately, that means if you’re driving in foul weather or on rough terrain, your wheels might not get as much traction. If you think your axle might need repair or have questions about how it works, it’s best to reach out to a mechanic. Problems with the axle can be pretty serious, and may even cause your tires to get locked in place! While you work on your truck’s routine maintenance, why not update your auto insurance coverage with getjerry.com super app Jerry as well? It’s this simple: download the Jerry app or go to getjerry.com. In less than 45 seconds, Jerry collects all of your information from your existing insurer. Choose from competitive quotes from top insurance companies and Jerry takes care of the rest—securing your new policy and helping you cancel your old one upon request. No long forms. No calling around. No hard work. Just savings. The average Jerry user saves $887 a year on car insurance.

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