An axle code can tell You a lot about what Your vehicle's running, but unfortunately they can be difficult to decipher. In the case of a Ford F-250, an axle code of 3E indicates that You've for a 3.73 electronic locking axle, and that the vehicle belongs to the 2011 model year. The door sticker also gives You a lot of great information, and You shouldn't take any of it for granted. For example, You'll see things like wheel base, paint codes, spring codes, processor calibration codes, and a VIN barcode. All of these bits of information can come in handy, so it's best to jot down the information or take some pictures ahead of time; You never know when You'll need it.
Danial C
July 30, 2020
Ford F250 axle code 3E means the vehicle has a 4.30 gear ratio and Limited slip.
Dk
August 18, 2023
Well I have code 3E and I have a 2019 with a 373 m300 Dana electronic Locker
Bjcherry
August 27, 2020
E3ta means what on axle plate on front 4/4 def.
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