Ford Axle Code Chart

Axle Decoder Chart

    Code    Ratio   Capacity        Maker       Type            Yr 
    
    12      2.73    3800            FORD        REG         	1991
    17      3.25    3300            FORD        REG         	1971
    17      3.31    3800            FORD        REG         	1995
    18      3.08    3800            FORD        REG         	1991
    19      3.55    3800            FORD        REG         	1991
    25      4.10.   5300            FORD        REG         	1991
    29      3.55    5300            FORD        REG         	1991
    35      4.10.   6250            FORD        REG         	1991
    36      3.73    7400            DANA        REG         	1980
    39      3.55    6250            FORD        REG         	1991
    45      4.10.   7400            FORD        REG         	1991
    49      3.55    7400            FORD        REG         	1991
    65      4.10.   8250            FORD        REG         	1991
    69      3.55    8250            FORD        REG         	1991
    72      4.63    11000           DANA        REG         	1991
    73      5.13    11000           DANA        REG         	1991
    H5      4.10.   3800            FORD        LIMITED SLIP    1991
    H7      3.31    3800            FORD        LIMITED SLIP    1995
    H8      3.08    3800            FORD        LIMITED SLIP    1991
    H9      3.55    3800            FORD        LIMITED SLIP    1991
    B5      4.10.   5300            FORD        LIMITED SLIP    1991
    B9      3.55    5300            FORD        LIMITED SLIP    1991
    C5      4.10.   6250            FORD        LIMITED SLIP    1991
    C9      3.55    6250            FORD        LIMITED SLIP    1987
    D5      4.10.   7400            FORD        LIMITED SLIP    1991
    F5      4.10.   8250            FORD        LIMITED SLIP    1991
    W5      4.10    8250            FORD        LIMITED SLIP    1995



Transmission codes from 1995 Manual

M = manual 5 speed overdrive (Mazda?)
E = Automatic E40D
G = C6 auto
U = 4R70W (4spd auto with overdrive)
C = manual 5 speed close ratio (Z-F)
W = 5 speed H.D. Overdrive

Engine Codes (8th character in VIN) From 1995 Manual

Y = 4.9
N = 5.0
H = 5.8
R = 5.8 HP
C = 5.9
G = 7.5
F = 7.3 DI Turbo
2 = 4.9 natural gas

Engine Codes From 1991 Manual
Y   4.9 
N   5.0
H   5.8
M   7.3 Diesel
G   7.5

This is a general decoder for 1980s thru 1990s Ford Pickup F100 thru F350.
This article was submitted by David DeLeon.
Questions regarding this article may be emailed to deleontow@aol.com
and his web site can be found at
De Leon’s Towing & Auto Parts, Inc.