Axle code

[Eason]

My "new to me" truck has the factory axle code of C 9. Can someone tell me what axle ratio it is. I'm thinking 3.55 limited slip. Eason

 

[Hoss6.9]

Here's what I found on FTE....


C9- Ford full float Sterling 10.25 3.55 (single rear wheel) with limited slip diff

 

[hesutton]

From the FAQ's sticky at the top of this page:

13 Ford 3750 4.11(This is likley a 9")
14 Ford 3750 3.00(9")
16 Ford 3750 3.50(9")
17 Ford 3750 2.47(8.8")
18 Ford 3750 3.08(8.8)
19 Ford 3750 3.55(8.8)
22 Dana 5300 4.10(60 semi float?)
23 Dana 5300 3.54
24 Dana 5300 3.73
25 Ford 5300 4.10(10.25 semi float I'd assume)
26 Ford 4050 3.55(not a clue on this one)
27 Ford 5300 3.73
29 Ford 5300 3.55
31 Dana 6250 3.07(D61)
32 Dana 6250 4.10(D60 FF)
33 Dana 6250 3.54
35 Ford 6250 4.10(10.25 FF, 2.5" brakes)
38 Ford 6250 3.08(didn't think the 10.25 was ever offered this tall)
39 Ford 6250 3.55
72 Dana 6300 4.10(D70 FF SRW 2.5" brakes)
73 Dana 6300 3.54
42 Dana 7400 4.10(D70 FF SRW 3" brakes)
43 Dana 7400 3.54
45 Ford 7400 4.10(10.25 FF, 3" brakes)
49 Ford 7400 3.55
52 Dana 7400 4.10(maybe narrow brake D70 dually?)
53 Dana 7400 3.54
62 Dana 8200 4.10(Wide brake D70 Dually I'd assume)
63 Dana 8200 3.54
65 Ford 8200 4.10(3" brake 10.25 dually)
69 Ford 8200 3.55

Limited Slip:
H3 Ford 3750 4.11
H4 Ford 3750 3.00
H6 Ford 3750 3.50
H8 Ford 3750 3.08
H9 Ford 3750 3.55
B2 Dana 5300 4.10
B3 Dana 5300 3.54
B4 Dana 5300 3.73
B5 Ford 5300 4.10
B7 Ford 5300 3.73
B6 Ford 5300 3.55
C2 Dana 6250 4.10
C3 Dana 6250 3.54
C5 Ford 6250 4.10
C9 Ford 6250 3.55
G2 Dana 6300 4.10
G3 Dana 6300 3.54
D2 Dana 7400 4.10
D3 Dana 7400 3.54
D5 Ford 7400 4.10
E2 Dana 7400 4.10
E5 Ford 8200 4.10
F9 Ford 8250 3.55

Heath

 

[Eason]

THANKS GUYS!!!! Eason