Ford axle code

MOUNT

Active Member
Joined
Mar 28, 2016
Location
Near URE
Rear axle from a 99 F-350. Here is the door tag as the tags on the axle are long gone. No code. What does that mean?
5eea27047e3e0ad9f3996849934d2131.jpg


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You'll probably have to pull the cover and check the gears, or jack the rear end up and spin the driveshaft to see how many times it turns for one revolution of the tires. Some guys say you can tell which gears by what rpm you're running at a certain speed. What motor does your truck have?
 
getstucksome said:
You'll probably have to pull the cover and check the gears, or jack the rear end up and spin the driveshaft to see how many times it turns for one revolution of the tires. Some guys say you can tell which gears by what rpm you're running at a certain speed. What motor does your truck have?
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It's an axle in a for sale ad on Craigslist

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