Where do I find my Ford's axle code?

On the vehicle certification label, in the AXLE box of the coded line that also lists WB, BRAKE, BODY, TRANS, TAPE, and SPRING. The example label shows axle code '2 62' with the digits decoded via the rear and front axle code tables.

What does rear axle code 25 mean?

Per the REAR AXLE CODES table, code 25 is a 3800 lbs. capacity axle with a 4.10 ratio.

Which rear axle code indicates a limited-slip axle?

Code H9, listed as 3800 lbs. capacity with a 3.55 LS ratio; the footnote states LS = LIMITED SLIP. Front axle code 2 also means LIMITED-SLIP.

What axle ratios are listed in the chart?

Ratios range from 2.73 to 5.13, including 2.73, 3.08, 3.31, 3.54, 3.55 (and 3.55 LS), 3.73, 4.10, 4.63, 4.88, and 5.13, on axles rated from 3800 to 11,000 lbs.

What does front axle code 2 mean?

According to the FRONT AXLE CODE table, code 2 means LIMITED-SLIP.

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Ford Bronco/F-Series Axle Code Chart - Certification Label Rear Axle Ratios

Ford vehicle certification/data plate with VIN, GAWR, axle and paint codes plus rear axle code table

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Ford door data/certification plate diagram with VIN barcode, GAWR, axle and paint codes and a rear-axle code ratio table.

AI caption July 2011 · Photo 81 of 224

This document is a Ford reference illustration (figure number Y2671-L) explaining how to read the vehicle certification label (Safety Compliance Certification Label) manufactured by Ford Motor Co. in the U.S.A. The sample label shows fields for DATE, GVWR, FRONT GAWR, REAR GAWR (with tires/rims at PSI cold), VIN, TYPE, exterior paint colors, and DSO, plus a coded line with WB (133), BRAKE (B), BODY (AK4), TRANS (E), AXLE (2 62), TAPE (E), and SPRING (2K2I). The diagram highlights the AXLE box and shows how its digits decode: the rear axle code is looked up in the REAR AXLE CODES table, which lists codes (12, 18, 17, 19, H9, 24, 25, 29, 35, 39, 45, 49, 58, 65, 68, 69, 72, 73) with axle capacities from 3800 to 11,000 lbs. and gear ratios from 2.73 to 5.13, including a limited-slip 3.55 (code H9). The FRONT AXLE CODE table shows code 2 = LIMITED-SLIP. A footnote defines LS = LIMITED SLIP. A reader can use this chart to decode the axle codes on a Ford truck door-jamb certification label to determine rear axle capacity, gear ratio, and limited-slip status.

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Frequently asked questions

Where do I find my Ford's axle code?: On the vehicle certification label, in the AXLE box of the coded line that also lists WB, BRAKE, BODY, TRANS, TAPE, and SPRING. The example label shows axle code '2 62' with the digits decoded via the rear and front axle code tables.
What does rear axle code 25 mean?: Per the REAR AXLE CODES table, code 25 is a 3800 lbs. capacity axle with a 4.10 ratio.
Which rear axle code indicates a limited-slip axle?: Code H9, listed as 3800 lbs. capacity with a 3.55 LS ratio; the footnote states LS = LIMITED SLIP. Front axle code 2 also means LIMITED-SLIP.
What axle ratios are listed in the chart?: Ratios range from 2.73 to 5.13, including 2.73, 3.08, 3.31, 3.54, 3.55 (and 3.55 LS), 3.73, 4.10, 4.63, 4.88, and 5.13, on axles rated from 3800 to 11,000 lbs.
What does front axle code 2 mean?: According to the FRONT AXLE CODE table, code 2 means LIMITED-SLIP.