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.
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Here are some examples of actually stickers:
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.
See more: Which Of The Following Groups Of Accounts Have A Normal Debit Balance ?
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.
Axle Code(Door Sticker) | Axle | Capacity | Gear Ratio | Year / Vehicle |
01 | Ford 9″ | 2800 | 2.75 | |
02 | Ford 9″ | 2800 | 3.00 | |
04 | Ford 9″ | 2800 | 3.25 | |
07 | Ford 9″ | 2800 | 2.47 | |
12 | Ford | 3800 | 2.73 | 1991 |
13 | Ford 9″ | 3750 | 2.75 | 1981-1983 |
13 | Ford 8.8 | 4.11 | 1985-1986 | |
14 | Ford 9″ | 3750 | 3.00 | 1981-1986 |
15 | Ford 9″ | 3750 | 3.25 | 1981-1982 |
15 | Non Limited Slip | 3.31 | ||
15 | Ford 9″ | 3750 | 2.73 | 1983 |
15 | Ford 9″ | 3750 | 3.15 | |
16 | Ford 9″ | 3750 | 3.50 | |
16 | Ford | 3.73 | ||
17 | Ford | 3300 | 3.25 | 1971 |
17 | Ford | 3800 | 3.31 | 1995 / 1999-2002 / Expedition |
17 | Ford | 3.55 | 1998 | |
17 | Ford | 3.73 | 1997 | |
17 | Ford 9″ | 3750 | 2.47 | |
18 | Ford 8.8 | 3800 | 3.08 | 1983-1986 |
19 | Ford 8.8 | 3800 | 3.55 | |
22 | Dana | 5300 | 4.10 | |
23 | Dana 60 | 5300 | 3.54 | |
24 | Dana 60 | 5300 | 3.73 | Econoline |
25 | Ford | 5300 | 4.10 | 1991 |
25 | Dana 60 | 5300 | 3.33 | |
26 | Ford | 4050 | 3.55 | |
26 | 3.73 | F-250 | ||
27 | 3.31 | F-250 | ||
27 | Ford | 5300 | 3.73 | |
27 | Dana 70 | 7400 | 4.10 | |
28 | Dana 70 | 7400 | 4.56 | |
29 | Ford 10.25″ | 5300 | 3.55 | 1991 |
31 | Dana | 6250 | 3.07 | |
31 | 3.73 | F-250 / Excursion | ||
32 | Dana | 6250 | 4.10 | Econoline |
32 | Dana 61 | 5300 | 3.00 | |
33 | Dana 61 | 6250 | 3.54 | |
33 | Ford | 4.30 | F-250 | |
34 | 3.73 | Econoline | ||
35 | 4.09 | Econoline | ||
35 | Ford | 6250 | 4.10 | 1991 |
36 | Dana 70 | 7400 | 3.73 | 1980 |
36 | 4.56 | F-250 | ||
37 | Dana 60 | 5300 | 3.54 | |
37 | Non Limited Slip | 3.73 | Super Duty | |
3L | Limited slip | 3.73 | Super Duty | |
38 | Ford | 6250 | 3.08 | |
38 | Dana 60 | 5300 | 3.73 | |
39 | Ford 10.25 | 6250 | 3.55 | 1991 Econoline |
41 | Dana | 6250 | 3.54 | |
41 | 3.73 | F-350 | ||
41 | Non Limited Slip | 4.10 | Super Duty | |
42 | Dana | 6250 | 3.73 | |
42 | Dana | 7400 | 4.10 | |
43 | Dana | 7400 | 3.54 | |
43 | Dana | 6250 | 4.10 | |
43 | 4.30 | F-350 | ||
4L | Limited Slip | 4.30 | Super Duty | |
4N | Limited Slip | 4.10 | Super Duty | |
4W | Limited Slip | 4.10 | Ambulance Package | |
44 | Dana | 6250 | 4.56 | |
45 | Ford | 7400 | 4.10 | 1991 |
46 | 4.56 | F-350 | ||
48 | Non Limited Slip | 4.88 | Super Duty | |
49 | Ford 10.25 | 7400 | 3.55 | 1991 |
51 | Dana 70 HD | 7400 | 3.73 | |
52 | Dana 70 HD | 7400 | 4.10 | Econoline |
53 | Dana 70 HD | 7400 | 4.56 | 1982 |
53 | Dana 70 HD | 7400 | 3.54 | 1983-1986 |
53 | Non Limited Slip | 5.38 | Super Duty | |
5L | Limited Slip | 5.38 | Super Duty | |
56 | 4.10 | Econoline | ||
61 | 3.73 | F-350 | ||
62 | Dana | 8100 | 4.10 | |
63 | Dana | 8200 | 3.54 | |
63 | 4.30 | F-350 | ||
65 | Ford | 8250 | 4.10 | 1991 |
66 | 4.56 | F-350 | ||
69 | Ford 10.25 | 8250 | 3.25 | |
69 | Ford | 8250 | 3.55 | 1991 |
72 | Dana | 6300 | 4.10 | |
72 | Dana | 11000 | 4.63 | |
73 | Dana | 6300 | 3.54 | |
73 | Dana | 11000 | 5.13 | |
73 | 4.30 | F-450 | ||
75 | 5.38 | F-450 | ||
78 | 4.88 | F-450 | ||
81 | 3.73 | |||
81 | 4.63 | Econoline | ||
82 | 4.10 | F-350 | ||
83 | 4.30 | F-350 | ||
86 | 4.56 | F-350 | ||
88 | 4.88 | F-350 | ||
8L | Limited Slip | 4.88 | Super Duty | |
95 | 5.38 | F-550 | ||
98 | 4.88 | F-550 | ||
B2 | Dana | 5300 | 4.10 | |
B3 | Dana | 5300 | 3.54 | |
B4 | Dana | 5300 | 3.73 | |
B5 | Dana 60 – Limited Slip | 5300 | 3.33 | |
B5 | Ford 10.25 – Limited Slip | 4.10 | ||
B6 | Ford – Limited Slip | 5300 | 3.55 | |
B6 | Ford – Limited Slip | 3.73 | ||
B7 | Ford – Limited Slip | 5300 | 3.73 | |
B9 | Ford 10.25 – Limited Slip | 3.55 | ||
C1 | Ford – Limited Slip | 3.73 | F-250 / Excursion | |
C2 | Dana 61 – Limited Slip | 5300 | 3.00 | |
C2 | Dana 61 – Limited Slip | 5300 | 3.54 | |
C2 | Dana – Limited Slip | 6250 | 4.10 | F-250 / Excursion |
C3 | Dana Limited Slip | 6250 | 3.54 | |
C3 | Ford – Limited Slip | 4.30 | F-250 / Excursion | |
C5 | Ford 10.25 – Limited Slip | 4.10 | ||
C6 | Ford – Limited Slip | 4.56 | F-250 | |
C7 | Dana 60 – Limited Slip | 5300 | 3.54 | |
C9 | Ford 10.25 – Limited Slip | 3.55 | ||
D1 | Limited Slip | 3.73 | F-350 | |
D2 | Limited Slip | 7400 | 4.10 | |
D3 | Ford Limited Slip | 3.54 | ||
D3 | Dana – Limited Slip | 6250 | 4.10 | |
D3 | 4.30 | F-350 | ||
D5 | Ford 10.25 – Limited Slip | 7400 | 4.10 | |
D6 | Limited Slip | 4.56 | F-350 | |
D7 | Dana 70 – Limited Slip | 5300 | 4.10 | |
E1 | Ford – Limited Slip | 3.73 | ||
E2 | Dana 70 HD – Limited Slip | 7400 | 4.10 | |
E3 | Limited Slip | 4.30 | F-350 | |
E5 | Ford Limited Slip | 8200 | 4.10 | |
E6 | Limited Slip | 4.56 | F-350 | |
EW | Limited Slip | 4.88 | F-350 | |
F1 | Limited Slip | 3.73 | F-350 | |
F2 | Limited Slip | 4.10 | F-350 | |
F3 | Limited Slip | 4.30 | F-350 | |
F5 | Ford 10.25 -Limited Slip | 8250 | 4.10 | |
F6 | Limited Slip | 4.56 | F-350 | |
F9 | Ford Limited Slip | 8250 | 3.55 | |
G2 | Dana Limited Slip | 6300 | 4.10 | |
G3 | Dana Limited Slip | 6300 | 3.54 | |
G3 | Limited Slip | 4.30 | F-450 | |
G5 | Limited Slip | 5.38 | F-450 | |
G8 | Limited Slip | 4.88 | F-450 | |
GW | Limited Slip | 4.10 | F-450 | |
H3 | Ford 9″ Limited Slip | 3750 | 2.75 | 1981-1982 |
H3 | Ford 8.8 Limited Slip | 3800 | 4.11 | 1985-1986 |
H4 | Ford 9″ Limited Slip | 3750 | 3.00 | 1981-1986 |
H5 | Ford 9″ Limited Slip | 3750 | 3.25 | 1981-1982 |
H5 | Ford Limited Slip | 3.31 | ||
H5 | Ford 9″ Limited Slip | 3750 | 2.73 | 1983 |
H5 | Ford Limited Slip | 3800 | 4.10 | 1991 |
H6 | Ford 9″ Limited Slip | 3750 | 3.50 | |
H6 | 3.73 | Expedition | ||
H7 | Ford 9″ Limited Slip | 3750 | 2.47 | |
H7 | Ford 8.8″ Limited Slip | 3800 | 3.31 | 1995 / Expedition |
H8 | Ford 8.8″ Limited Slip | 3800 | 3.08 | 1983-1986 |
H9 | Ford 8.8″ Limited Slip | 3800 | 3.55 | 1983-1986 and Expedition |
K5 | Limited Slip | 5.38 | F-550 | |
K8 | Limited Slip | 4.88 | F-550 | |
KW | Limited Slip | 4.10 | F-550 | |
L3 | Electric Locker | 3.31 | ||
L5 | Electric Locker | 3.15 | ||
L6 | Electric Locker | 3.73 | 2011 | |
L9 | Electric Locker | 3.55 | ||
W5 | Ford – Limited Slip | 8250 | 4.10 | 1995 |
2004 Ford Super Duty Axle Codes:
31 — 3.73 non-limited slip, F-250/Excursion32 — 4.10 non-limited slip, F-25041 — 3.73 non-limited slip, F-35061 — 3.73 non-limited slip, F-35073 — 4.30 non-limited slip, F-45075 — 5.38 non-limited slip, F-45078 — 4.88 non-limited slip, F-45081 — 3.73 non-limited slip, F-35088 — 4.88 non-limited slip, F-35095 — 5.38 non-limited slip, F-55098 — 4.88 non-limited slip, F-550C1 — 3.73 limited slip, F-250/ExcursionC2 — 4.10 limited slip, F-250/ExcursionC3 — 4.30 limited slip, F-250/ExcursionD1 — 3.73 limited slip, F-350D2 — 4.10 limited slip, F-350D3 — 4.30 limited slip, F-350E2 — 4.10 limited slip, F-350E3 — 4.30 limited slip, F-350EW — 4.10 limited slip, F-350 (ambulance package)F1 — 3.73 limited slip, F-350F2 — 4.10 limited slip, F-350F6 — 4.56 limited slip, F-350G3 — 4.30 limited slip, F-450G5 — 5.38 limited slip, F-450G8 — 4.88 limited slip, F-450GW — 4.88 non-limited slip, F-450K5 — 5.38 limited slip, F-550K8 — 4.88 limited slip, F-550KW — 4.10 non-limited slip, F-550
2007 Ford Super Duty Axle Codes:37 — 3.73 non-limited slip3L — 3.73 limited slip41 — 4.10 non-limited slip43 — 4.30 non-limited slip48 — 4.88 non-limited slip4L — 4.30 limited slip4N — 4.10 limited slip4W — 4.10 limited slip (ambulance package)53 — 5.38 non-limited slip5L — 5.38 limited slip8L — 4.88 limited slip
2008 Ford Super Duty Axle Codes:35 = 3.55 non-limited slip3J = 3.55 limited slip37 = 3.73 non-limited slip3L = 3.73 limited slip4L = 4.30 limited slip4N = 4.10 limited slip
2011 Ford Super Duty Axle Codes:31 – 3.31 Non-Limited Slip35 – 3.55 Non-Limited Slip37 – 3.73 Non-Limited Slip3E – 3.73 Electronic Locking3H – 3.31 Electronic Locking3J – 3.55 Electronic Locking3L – 3.73 Limited Slip41 – 4.10 Non-Limited Slip43 – 4.30 Non-Limited Slip48 – 4.88 Non-Limited Slip4E – 4.10 Electronic Locking4L – 4.30 Limited Slip4M – 4.30 Electronic Locking4N – 4.10 Limited Slip4W – 4.10 Limited Slip (Ambulance)8L – 4.88 Limited Slip
More Codes:Axle Code | Positraction | Ratio |
005-J | Limited Slip Differential | 3.27 |
12 | Conventional non-Positraction Differential | 2.73 |
16 | Conventional non-Positraction Differential | 3.73 |
17 | Conventional non-Positraction Differential | 3.31 |
18 | Conventional non-Positraction Differential | 3.06 |
19 | Conventional non-Positraction Differential | 3.55 |
23 | Conventional non-Positraction Differential | 3.54 |
24 | Conventional non-Positraction Differential | 3.54 |
25 | Conventional non-Positraction Differential | 4.10 |
026-F | Conventional non-Positraction Differential | 2.73 |
29 | Conventional non-Positraction Differential | 3.55 |
31 | Conventional non-Positraction Differential | 3.73 |
32 | Conventional non-Positraction Differential | 4.10 |
33 (1992-1998) | Conventional non-Positraction Differential | 3.54 |
33 (1999-2002) | Conventional non-Positraction Differential | 4.30 |
34 | Conventional non-Positraction Differential | 3.73 |
35 | Conventional non-Positraction Differential | 4.10 |
36 | Conventional non-Positraction Differential | 4.56 |
39 | Conventional non-Positraction Differential | 3.55 |
040-L | Conventional non-Positraction Differential | 3.08 |
41 | Conventional non-Positraction Differential | 3.73 |
42 | Conventional non-Positraction Differential | 4.10 |
43 | Conventional non-Positraction Differential | 4.30 |
45 | Conventional non-Positraction Differential | 4.10 |
46 | Conventional non-Positraction Differential | 4.56 |
49 | Conventional non-Positraction Differential | 3.55 |
52 | Conventional non-Positraction Differential | 4.10 |
054-J | Conventional non-Positraction Differential | 3.27 |
56 | Conventional non-Positraction Differential | 4.10 |
58 | Conventional non-Positraction Differential | 4.86 |
61 | Conventional non-Positraction Differential | 3.73 |
62 | Conventional non-Positraction Differential | 4.10 |
63 | Conventional non-Positraction Differential | 4.30 |
65 | Conventional non-Positraction Differential | 4.10 |
66 | Conventional non-Positraction Differential | 4.56 |
68 | Conventional non-Positraction Differential | 4.88 |
69 | Conventional non-Positraction Differential | 3.55 |
72 | Conventional 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 |
75 | Conventional non-Positraction Differential | 5.38 |
78 | Conventional non-Positraction Differential | 4.88 |
81 | Conventional non-Positraction Differential | 3.73 |
82 | Conventional non-Positraction Differential | 4.10 |
83 | Conventional non-Positraction Differential | 4.30 |
86 | Conventional non-Positraction Differential | 4.56 |
88 | Conventional non-Positraction Differential | 4.88 |
95 (2002 Motor home – Dana 135) | Conventional non-Positraction Differential | Supply Bill of Material Number |
95 | Conventional non-Positraction Differential | 5.38 |
98 | Conventional non-Positraction Differential | 4.88 |
102-A | Conventional non-Positraction Differential | 3.31 |
113-A | Limited Slip Differential | 3.73 |
114-A | Conventional non-Positraction Differential | 3.73 |
126-N | Conventional non-Positraction Differential | 3.55 |
127-N | Limited Slip Differential | 3.55 |
130-N | Conventional non-Positraction Differential | 4.10 |
131-N | Limited Slip Differential | 4.10 |
168-S | Conventional non-Positraction Differential | 4.10 |
169-S | Limited Slip Differential | 4.10 |
189-S | Conventional non-Positraction Differential | 4.10 |
192-S | Limited Slip Differential | 4.10 |
199-R | Limited Slip Differential | 4.10 |
203-B | Limited Slip Differential | 2.73 |
209-E | Limited Slip Differential | 3.27 |
221-C | Limited Slip Differential | 2.73 |
223-C | Limited Slip Differential | 2.73 |
225-C | Limited Slip Differential | 3.08 |
227-C | Limited Slip Differential | 3.08 |
229-C | Limited Slip Differential | 3.27 |
231-C | Limited Slip Differential | 3.27 |
262-C | Conventional non-Positraction Differential | 2.73 |
264-C | Conventional non-Positraction Differential | 2.73 |
348F | Conventional non-Positraction Differential | 3.27 |
350-F | Conventional non-Positraction Differential | 3.08 |
352-F | Conventional non-Positraction Differential | 3.08 |
354-F | Conventional non-Positraction Differential | 3.73 |
355-F | Limited Slip Differential | 3.55 |
356-F | Conventional non-Positraction Differential | 3.27 |
357-F | Limited Slip Differential | 3.55 |
359-F | Limited Slip Differential | 3.73 |
362-F | Conventional non-Positraction Differential | 3.45 |
363-F | Limited Slip Differential | 3.73 |
366-F | Conventional non-Positraction Differential | 3.45 |
367-F | Limited Slip Differential | 3.73 |
368-F | Conventional non-Positraction Differential | 3.73 |
370-F | Conventional non-Positraction Differential | 3.73 |
371-F | Limited Slip Differential | 4.10 |
372-F | Conventional non-Positraction Differential | 4.10 |
374-F | Conventional non-Positraction Differential | 4.10 |
430-F | Conventional non-Positraction Differential | 3.07 |
434-F | Conventional non-Positraction Differential | 3.27 |
501-F | Limited Slip Differential | 3.27 |
502-F | Conventional non-Positraction Differential | 3.27 |
511-F | Limited Slip Differential | 3.27 |
515-F | Conventional non-Positraction Differential | 3.27 |
610-B | Conventional non-Positraction Differential | 3.27 |
612-B | Conventional non-Positraction Differential | 3.55 |
613-B | Limited Slip Differential | 3.73 |
614-B | Conventional non-Positraction Differential | 3.73 |
615-C | Limited Slip Differential | 4.10 |
616-B | Conventional non-Positraction Differential | 4.10 |
619-A | Limited Slip Differential | 3.37 |
621-A | Limited Slip Differential | 3.73 |
625-A | Limited Slip Differential | 3.27 |
668-H | Conventional non-Positraction Differential | 4.10 |
674-F | Conventional non-Positraction Differential | 3.55 |
675-F | Limited Slip Differential | 3.55 |
696-H | Conventional non-Positraction Differential | 3.73 |
697-H | Limited Slip Differential | 3.73 |
699-H | Limited Slip Differential | 4.10 |
710-A | Conventional non-Positraction Differential | 3.55 |
711-A | Limited Slip Differential | 3.55 |
740-P | Conventional non-Positraction Differential | 3.31 |
746-A | Conventional non-Positraction Differential | 3.55 |
747-A | Limited Slip Differential | 3.55 |
802-C | Conventional non-Positraction Differential | 3.31 |
820-C | Conventional non-Positraction Differential | 3.55 |
821-C | Limited Slip Differential | 3.31 |
825-C | Limited Slip Differential | 3.55 |
832-J | Conventional non-Positraction Differential | 3.31 |
833-J | Limited Slip Differential | 3.31 |
835-J | Limited Slip Differential | 3.08 |
845-M | Limited Slip Differential | 4.10 |
852-A | Conventional non-Positraction Differential | 3.08 |
862-B | Conventional non-Positraction Differential | 3.55 |
869B | Limited Slip Differential | 3.55 |
900-A | Conventional non-Positraction Differential | 3.08 |
908-A | Conventional non-Positraction Differential | 3.55 |
909-A | Limited Slip Differential | 3.55 |
930-A | Conventional non-Positraction Differential | 3.31 |
935-C | Limited Slip Differential | 3.73 |
947F | Conventional non-Positraction Differential | 4.63 |
948F | Conventional non-Positraction Differential | 5.13 |
950-A | Conventional non-Positraction Differential | 3.08 |
954-A | Conventional non-Positraction Differential | 3.31 |
956-A | Conventional non-Positraction Differential | 3.55 |
958-A | Conventional non-Positraction Differential | 3.73 |
B4 | Limited Slip Differential | 3.73 |
B5 | Limited Slip Differential | 4.10 |
B9 | Limited Slip Differential | 3.55 |
C1 | Limited Slip Differential | 3.73 |
C2 | Limited Slip Differential | 4.10 |
C3 (1992-1998) | Limited Slip Differential | 3.54 |
C3 (1999-2002) | Limited Slip Differential | 4.30 |
C4 | Limited Slip Differential | 3.73 |
C5 | Limited Slip Differential | 4.10 |
C6 | Limited Slip Differential | 4.56 |
C9 | Limited Slip Differential | 3.55 |
D1 | Limited Slip Differential | 3.73 |
D2 | Limited Slip Differential | 4.10 |
D3 | Limited Slip Differential | 4.30 |
D5 | Limited Slip Differential | 4.10 |
D6 | Limited Slip Differential | 4.56 |
D403A | Conventional non-Positraction Differential | 3.54 |
D404A | Conventional non-Positraction Differential | 3.73 |
D454A | Limited Slip Differential | 3.73 |
D607A | Conventional non-Positraction Differential | 4.10 |
D615J | Conventional non-Positraction Differential | 4.09 |
D630J | Conventional non-Positraction Differential | 3.54 |
D631A | Conventional non-Positraction Differential | 4.10 |
D632A | Conventional non-Positraction Differential | 3.73 |
D654A | Limited Slip Differential | 3.54 |
D808A | Limited Slip Differential | 4.10 |
E1 | Limited Slip Differential | 3.73 |