Just can't figure out my axle tag
#1
08-30-2002 | 12:41 PM
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Joined: Jul 2002
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Just can't figure out my axle tag
I'm trying to figure out my rear axle ratio on my 2000 F250 but am having no luck. The doorjamb sticker is totally blank under the AXLE entry and I can't figure out the tag...It reads:
5___ 157
-10 10____5____9K31
I used the '_' to denote spaces
Now I looked really good an hard thinking that first '10' might say 40 but it definitly says '10'! The only other mark is on one of the diff housing reinforcements but it looks like a date to me (82299)I have looked it all up in the service manual CD to no avail (it just denotes the doorjamb codes). I'm fairly sure it's a 4.10 but I'm stumped...anyone have any input?
Thanks
-Trouble
5___ 157
-10 10____5____9K31
I used the '_' to denote spaces
Now I looked really good an hard thinking that first '10' might say 40 but it definitly says '10'! The only other mark is on one of the diff housing reinforcements but it looks like a date to me (82299)I have looked it all up in the service manual CD to no avail (it just denotes the doorjamb codes). I'm fairly sure it's a 4.10 but I'm stumped...anyone have any input?
Thanks
-Trouble
#2
08-30-2002 | 05:20 PM
Postmaster
Joined: Dec 2001
Posts: 3,742
Likes: 2
From: UT
Just can't figure out my axle tag
>5___ 157
>
>-10 10____5____9K31
I'll give it a shot, based on what I know from the diff tags on my '87 and '92
"5__" Don't know, this number has never been asked for
"___157" is the axle model number.
"-10 10__" this is the position where gear ratio is indicated. Could it be "4010" suggesting a 4.10 gear open diff? Mine have 3L73 indicating 3.73 gears with a limited slip diff.
"__5__" this is usually the ring gear diameter. My BII says 75 indicating a 7.5 in ring gear. maybe one of the 10's should go with the 5 to indicate a 10.5 in ring gear.
"9K31" I think is a production sequence number or something like that.
That's what I've got. Hope it helps.
>
>-10 10____5____9K31
I'll give it a shot, based on what I know from the diff tags on my '87 and '92
"5__" Don't know, this number has never been asked for
"___157" is the axle model number.
"-10 10__" this is the position where gear ratio is indicated. Could it be "4010" suggesting a 4.10 gear open diff? Mine have 3L73 indicating 3.73 gears with a limited slip diff.
"__5__" this is usually the ring gear diameter. My BII says 75 indicating a 7.5 in ring gear. maybe one of the 10's should go with the 5 to indicate a 10.5 in ring gear.
"9K31" I think is a production sequence number or something like that.
That's what I've got. Hope it helps.
