8.8 Axle tag decode help on 88 ranger XLT

Sighman · Nov 11, 2010

Here's the deal, I have searched every where and am finding conflicting info.

88 Ranger XLT axle tag reads as follows
A S3980 - -
3 4575 8B01

I "think" its a 8.8 but cannot for the life of me decode the rest of the tag!!!

Hahnsb2 · Nov 11, 2010

8.8 Didn't exist in rangers until the 4.0 came about. It's an open 7.5 with 3.45 gears.

Sighman · Nov 11, 2010

Thanks! Time to look for another rear end then

Original_Ranger84 · Nov 11, 2010

Its a 7.5" axle with 3.45 gearing.
3 4575 8B01

that 3_45 means its got a 3.45 gear ratio and since there is a space its an open diff where as if it said 3L45 it would be a 3.45 ratio with limited slip. And the 75 right after that means 7.5" axle.

For example I have a 7.5" with 3.73 gearing non limited slip. the code would read 3 7375
and I just picked up an 8.8 with 3.73 gearing and limited slip... 3L7388

Sighman · Nov 11, 2010

Its making sense now, thank you guys, this should help when I go hit pick n pull this weekend!

Sighman · Nov 16, 2010

Sweet, new axle is in and made a world of difference, locked and sitting on 4.10's

gaz · Nov 19, 2010

"Sighman",

Everything you ever wanted to know or didn't about the Axle tag codes is in every BII/Ranger (including the VIN breakdown, which also states which gears are in the axles) Chilton's manual. :icon_cheers:

8.8 Axle tag decode help on 88 ranger XLT

Sighman

04/2011 & 04/2014 MTOTM Winner

Hahnsb2

15+ Year Member

Sighman

04/2011 & 04/2014 MTOTM Winner

Original_Ranger84

15+ Year Member

Sighman

04/2011 & 04/2014 MTOTM Winner

Sighman

04/2011 & 04/2014 MTOTM Winner

gaz

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