Decode my rear axle....please?? - Ranger-Forums - The Ultimate Ford Ranger Resource


Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

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  #1  
Old 06-03-2004
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Location: Pascagoula, MS
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just pulled the rear diff tag off my 87 Ranger 2.0L 5spd, and i can't make heads or tails of it other than the fact its a 7.5.


If anyone can please decode this for me i would be very thankful and it would help a lot, i think i might have to replace one of the axle bearings but i'm not sure and i'd like to know what i'm looking at to go find a comparable unit.

the axle code is

Top Row:
S398D - -
Bottom Row:
4 5 A75 6K15

IF anybody has any ideas.... they are most welcome...thank you!
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  #2  
Old 06-03-2004
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7.5" would be my guess by the "A75", but check the bellhousing as seen in the bottom of this link

http://www.therangerstation.com/Axles.html
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  #3  
Old 06-03-2004
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I figured it out by posting the same question on the ranger station... after i pounded out the tag some more and took the wire brush back to it.

its a 3.45:1 ratio...
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Old 06-14-2004
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3.45 or 3.55's, never heard of 3.45's it must be the year
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  #5  
Old 06-14-2004
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I've got 3.45's in the BII....it's a 7.5 thing i guess....
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