Identify Your Ford Truck Axle From The Door Sticker - Blue Oval Trucks (2024)

There’s no question, the easiest way to identify the axle and gear ratio in your truck is from the door sticker. If you open the drivers door and look at the door jamb, you’ll see a sticker like the one shown below:

You’ll see that the area labeled (F) is for the Axle Code.

Once you know the door code, go to the chart below to identify it. If for some reason you find a code missing from the chart and would like to add it, please use the Contact Page.

You’ll notice that there are some codes with different gear ratio’s listed. Unfortunately, the same codes were reused in different years. If you have any more information to help narrow these codes down, please use the Contact Page.

31 — 3.73 non-limited slip, F-250/Excursion
32 — 4.10 non-limited slip, F-250
41 — 3.73 non-limited slip, F-350
61 — 3.73 non-limited slip, F-350
73 — 4.30 non-limited slip, F-450
75 — 5.38 non-limited slip, F-450
78 — 4.88 non-limited slip, F-450
81 — 3.73 non-limited slip, F-350
88 — 4.88 non-limited slip, F-350
95 — 5.38 non-limited slip, F-550
98 — 4.88 non-limited slip, F-550
C1 — 3.73 limited slip, F-250/Excursion
C2 — 4.10 limited slip, F-250/Excursion
C3 — 4.30 limited slip, F-250/Excursion
D1 — 3.73 limited slip, F-350
D2 — 4.10 limited slip, F-350
D3 — 4.30 limited slip, F-350
E2 — 4.10 limited slip, F-350
E3 — 4.30 limited slip, F-350
EW — 4.10 limited slip, F-350 (ambulance package)
F1 — 3.73 limited slip, F-350
F2 — 4.10 limited slip, F-350
F6 — 4.56 limited slip, F-350
G3 — 4.30 limited slip, F-450
G5 — 5.38 limited slip, F-450
G8 — 4.88 limited slip, F-450
GW — 4.88 non-limited slip, F-450
K5 — 5.38 limited slip, F-550
K8 — 4.88 limited slip, F-550
KW — 4.10 non-limited slip, F-550

37 — 3.73 non-limited slip
3L — 3.73 limited slip
41 — 4.10 non-limited slip
43 — 4.30 non-limited slip
48 — 4.88 non-limited slip
4L — 4.30 limited slip
4N — 4.10 limited slip
4W — 4.10 limited slip (ambulance package)
53 — 5.38 non-limited slip
5L — 5.38 limited slip
8L — 4.88 limited slip

35 = 3.55 non-limited slip
3J = 3.55 limited slip
37 = 3.73 non-limited slip
3L = 3.73 limited slip
4L = 4.30 limited slip
4N = 4.10 limited slip

31 – 3.31 Non-Limited Slip
35 – 3.55 Non-Limited Slip
37 – 3.73 Non-Limited Slip
3E – 3.73 Electronic Locking
3H – 3.31 Electronic Locking
3J – 3.55 Electronic Locking
3L – 3.73 Limited Slip
41 – 4.10 Non-Limited Slip
43 – 4.30 Non-Limited Slip
48 – 4.88 Non-Limited Slip
4E – 4.10 Electronic Locking
4L – 4.30 Limited Slip
4M – 4.30 Electronic Locking
4N – 4.10 Limited Slip
4W – 4.10 Limited Slip (Ambulance)
8L – 4.88 Limited Slip

Axle Code

Positraction

Ratio

005-JLimited Slip Differential3.2712Conventional non-Positraction Differential

2.73

16Conventional non-Positraction Differential

3.73

17Conventional non-Positraction Differential

3.31

18Conventional non-Positraction Differential

3.06

19Conventional non-Positraction Differential

3.55

23Conventional non-Positraction Differential

3.54

24Conventional non-Positraction Differential

3.54

25Conventional non-Positraction Differential

4.10

026-FConventional non-Positraction Differential2.7329Conventional non-Positraction Differential

3.55

31Conventional non-Positraction Differential

3.73

32Conventional non-Positraction Differential

4.10

33 (1992-1998)Conventional non-Positraction Differential

3.54

33 (1999-2002)Conventional non-Positraction Differential

4.30

34Conventional non-Positraction Differential

3.73

See Also
Heavy-Duty Rear Ford Axle | Which Does My Ford Truck Have?

35Conventional non-Positraction Differential

4.10

36Conventional non-Positraction Differential

4.56

39Conventional non-Positraction Differential

3.55

040-LConventional non-Positraction Differential3.0841Conventional non-Positraction Differential

3.73

42Conventional non-Positraction Differential

4.10

43Conventional non-Positraction Differential

4.30

45Conventional non-Positraction Differential

4.10

46Conventional non-Positraction Differential

4.56

49Conventional non-Positraction Differential

3.55

52Conventional non-Positraction Differential

4.10

054-JConventional non-Positraction Differential3.2756Conventional non-Positraction Differential

4.10

58Conventional non-Positraction Differential

4.86

61Conventional non-Positraction Differential

3.73

62Conventional non-Positraction Differential

4.10

63Conventional non-Positraction Differential

4.30

65Conventional non-Positraction Differential

4.10

66Conventional non-Positraction Differential

4.56

68Conventional non-Positraction Differential

4.88

69Conventional non-Positraction Differential

3.55

72Conventional non-Positraction Differential

4.63

73 (1996-2000)Conventional non-Positraction Differential

5.13

73 (2002)Conventional non-Positraction Differential

4.30

75 (2002 Motor home – Dana 80)Conventional non-Positraction Differential

Supply Bill of Material Number

75Conventional non-Positraction Differential

5.38

78Conventional non-Positraction Differential

4.88

81Conventional non-Positraction Differential

3.73

82Conventional non-Positraction Differential

4.10

83Conventional non-Positraction Differential

4.30

86Conventional non-Positraction Differential

4.56

88Conventional non-Positraction Differential

4.88

95 (2002 Motor home – Dana 135)Conventional non-Positraction Differential

Supply Bill of Material Number

95Conventional non-Positraction Differential

5.38

98Conventional non-Positraction Differential

4.88

102-AConventional non-Positraction Differential3.31113-ALimited Slip Differential3.73114-AConventional non-Positraction Differential3.73126-NConventional non-Positraction Differential3.55127-NLimited Slip Differential3.55130-NConventional non-Positraction Differential4.10131-NLimited Slip Differential4.10168-SConventional non-Positraction Differential4.10169-SLimited Slip Differential4.10189-SConventional non-Positraction Differential4.10192-SLimited Slip Differential4.10199-RLimited Slip Differential4.10203-BLimited Slip Differential2.73209-ELimited Slip Differential3.27221-CLimited Slip Differential2.73223-CLimited Slip Differential2.73225-CLimited Slip Differential3.08227-CLimited Slip Differential3.08229-CLimited Slip Differential3.27231-CLimited Slip Differential3.27262-CConventional non-Positraction Differential2.73264-CConventional non-Positraction Differential2.73348FConventional non-Positraction Differential3.27350-FConventional non-Positraction Differential3.08352-FConventional non-Positraction Differential3.08354-FConventional non-Positraction Differential3.73355-FLimited Slip Differential3.55356-FConventional non-Positraction Differential3.27357-FLimited Slip Differential3.55359-FLimited Slip Differential3.73362-FConventional non-Positraction Differential3.45363-FLimited Slip Differential3.73366-FConventional non-Positraction Differential3.45367-FLimited Slip Differential3.73368-FConventional non-Positraction Differential3.73370-FConventional non-Positraction Differential3.73371-FLimited Slip Differential4.10372-FConventional non-Positraction Differential4.10374-FConventional non-Positraction Differential4.10430-FConventional non-Positraction Differential3.07434-FConventional non-Positraction Differential3.27501-FLimited Slip Differential3.27502-FConventional non-Positraction Differential3.27511-FLimited Slip Differential 3.27515-FConventional non-Positraction Differential 3.27610-BConventional non-Positraction Differential3.27612-BConventional non-Positraction Differential3.55613-BLimited Slip Differential3.73614-BConventional non-Positraction Differential3.73615-CLimited Slip Differential4.10616-BConventional non-Positraction Differential4.10619-ALimited Slip Differential3.37621-ALimited Slip Differential3.73625-ALimited Slip Differential3.27668-HConventional non-Positraction Differential4.10674-FConventional non-Positraction Differential3.55675-FLimited Slip Differential3.55696-HConventional non-Positraction Differential3.73697-HLimited Slip Differential3.73699-HLimited Slip Differential4.10710-AConventional non-Positraction Differential3.55711-ALimited Slip Differential3.55740-PConventional non-Positraction Differential3.31746-AConventional non-Positraction Differential3.55747-ALimited Slip Differential3.55802-CConventional non-Positraction Differential3.31820-CConventional non-Positraction Differential3.55821-CLimited Slip Differential3.31825-CLimited Slip Differential3.55832-JConventional non-Positraction Differential3.31833-JLimited Slip Differential3.31835-JLimited Slip Differential3.08845-MLimited Slip Differential4.10852-AConventional non-Positraction Differential3.08862-BConventional non-Positraction Differential3.55869BLimited Slip Differential3.55900-AConventional non-Positraction Differential3.08908-AConventional non-Positraction Differential3.55909-ALimited Slip Differential3.55930-AConventional non-Positraction Differential3.31935-CLimited Slip Differential3.73947FConventional non-Positraction Differential4.63948FConventional non-Positraction Differential5.13950-AConventional non-Positraction Differential3.08954-AConventional non-Positraction Differential3.31956-AConventional non-Positraction Differential3.55958-AConventional non-Positraction Differential3.73B4Limited Slip Differential

3.73

B5Limited Slip Differential

4.10

B9Limited Slip Differential

3.55

C1Limited Slip Differential

3.73

C2Limited Slip Differential

4.10

C3 (1992-1998)Limited Slip Differential

3.54

C3 (1999-2002)Limited Slip Differential

4.30

C4Limited Slip Differential

3.73

C5Limited Slip Differential

4.10

C6Limited Slip Differential

4.56

C9Limited Slip Differential

3.55

D1Limited Slip Differential

3.73

D2Limited Slip Differential

4.10

D3Limited Slip Differential

4.30

D5Limited Slip Differential

4.10

D6Limited Slip Differential

4.56

D403AConventional non-Positraction Differential3.54D404AConventional non-Positraction Differential3.73D454ALimited Slip Differential3.73D607AConventional non-Positraction Differential4.10D615JConventional non-Positraction Differential4.09D630JConventional non-Positraction Differential3.54D631AConventional non-Positraction Differential4.10D632AConventional non-Positraction Differential3.73D654ALimited Slip Differential3.54D808ALimited Slip Differential4.10E1Limited Slip Differential

3.73

E2Limited Slip Differential

4.10

E3Limited Slip Differential

4.30

E6 (1992-1998)Limited Slip Differential

4.10

E6 (1999-2002)Limited Slip Differential

4.56

EW (1992-1999)Limited Slip Differential

4.10

EW (2000-2002)Limited Slip Differential

4.88

F1Limited Slip Differential

3.73

F2Limited Slip Differential

4.10

F3Limited Slip Differential

4.30

F5Limited Slip Differential

4.10

F6Limited Slip Differential

4.56

F8Limited Slip Differential

4.88

G3Limited Slip Differential

4.30

G5Limited Slip Differential

5.38

G8Limited Slip Differential

4.88

GWLimited Slip Differential

4.10

H5Limited Slip Differential

4.10

H7Limited Slip Differential

3.31

H8Limited Slip Differential

3.08

H9Limited Slip Differential

3.55

K5Limited Slip Differential

5.38

K8Limited Slip Differential

4.88

KWLimited Slip Differential

4.10

W5Limited Slip Differential

4.00

Identify Your Ford Truck Axle From The Door Sticker - Blue Oval Trucks (2024)

FAQs

How do I identify my Ford truck axle? ›

To find the axle code:
  1. View the Safety Compliance Certification Label on the driver's side, front or rear door panel.
  2. Find the word "AXLE" under the bar code.
  3. Find the two-digit code under "AXLE."

Discover More ›
How do I know what axle my truck has? ›

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.

Discover More Details ›
Where is the axle code on a Ford? ›

Most Fords will be built with a specific set of available Axle Ratio options available from the factory. Mustangs, F150's and other Fords can have their axle ratio easily identified by reading the sticker on the inside of the driver's side door jamb.

Get More Info ›
How do I identify my Ford Dana 60 front axle? ›

To find the complete build details of any Dana 60 axle, locate the BOM number stamped into the long axle tube and then find that code in the table below. Then, to find parts compatible with that axle, click on the link in the right column that will take you to the corresponding AxleBuilder.com page.

See Details ›
What are the axles on a truck? ›

An axle is a rod or shaft that rotates the wheels and supports the weight of your vehicle. Axles are essential components of any vehicle and come in three main types: front, rear, and stub. An axle is a rod or shaft that rotates the wheels and supports the weight of your vehicle.

Read More ›
Where do I find my axle size? ›

Look for markings. Before trying to measure your axle, look for markings on it. Many times, the dimensions are laser etched on the axle. Your frame or fork manufacturer should also be able to give you the dimensions.

Read More ›
How can the identification of a drive axle be determined? ›

Differential Identification using Tags or RPO Codes is usually the most accurate method. The exception is when the axle you are working on has already been modified by a previous owner. In that case, visual identification comes into play.

Read The Full Story ›
Where is your axle located? ›

Axles can be found connected to your car's wheels and are responsible for bearing the entire weight of your vehicle. They also help drive your car and are an essential part of the steering system in most vehicles. Most Axles today are split axles, meaning the wheel on each side is connected to a separate shaft.

View More ›
Where would you usually find the axle identification numbers? ›

Your nine-digit axle serial number is etched into the axle tube near the center on the rear side.

View Details ›
Where is the Ford factory code? ›

If the owner's manual is lost and you do not have the code for Keyless Entry, know that the Remote Anti-theft Personality (RAP) Module also has the factory code printed on its label. The RAP is behind a removable panel toward the back left of your vehicle.

View Details ›

How do I tell what axle I have? ›

Luckily, there are visual cues that can help identify your particular diff or axle. Since most differentials have a unique cover bolt pattern i.e. 10-bolt, 12-bolt, or 14-bolt, counting them up will narrow the field and help you with identification.

Read The Full Story ›
How do I identify my Ford rear axle? ›

The ID tag can be your friend. It will tell you the gear ratio, rearend style, and whether it has limited-slip. Also on the tag is an ID number, which, until 1985, included four to five letters, no numbers. Almost all 8.8s—and all post-1986 Ford rearends—have letters and numbers.

Get More Info Here ›
Where is the tag axle? ›

A tag axle is installed behind the rearmost axle, thus extending the length of the wheelbase. See Tandem Axle. Rearmost part of the towing or recovery vehicle body. Two axles mounted as a group (three axles placed together are often referred to as a Tri-axle Tandem).

Discover More Details ›
How do I know if I have 8.8 or 9.75 rear end? ›

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. Once you know what to look for, it's pretty simple to tell the two rear ends apart. You'll just have to throw on your reading glasses and take a look under your truck to figure out the difference.

Read More ›
What axles does my F-250 have? ›

For the years 2011-2016, the front axle is a 35 spline Dana 60. In the back, a Sterling 10.5” axle was standard. For the 2017-2019 F-250, the front axles are still a 35 spline Dana 60 axle. In the back, the 10.5” is still standard but trucks fitted with the Heavy Duty Towing Package are set up with a Dana M275 axle.

Know More ›
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