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Old November 25th, 2005, 02:02 PM   #1
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Default Jeep Axle Spec's

Axle Width Data

Factory tread with is not WMS to WMS. It's center of stock tire on stock wheel to the same on the other side. It depends on offset of wheels and several other factors. Tread width is usually narrower than WMS to WMS because of the off set the center of tire is farther inboard than WMS. Use this chart for comparison.

CJ8s can have both wide and narrow factory axles

The J-10 axle is wider than a NT and narrower than a WT.

'41 to 45 Jeep MB: 48.25"
'46 up CJ-2A, CJ-3A : 48.25"
'49-65 Jeep Utility Wagon: 57"
'49 Willys Jeepster 2WD 57"
'52 up CJ-3B: 48.44"
'52 M-38A 49.19" (Military width)
'54-71 CJ-5 48.44" (so called early narrow axle)
'55-75 CJ-6 48.44" (so called early narrow axle)
'47-65 Pickup (the classic) frnt-56" rr-63.5"
'63-69 J-200, J-2000 65.5"
'63-69 J-300, J-3800 65.75"
'70- 72, Gladiator J-2000 frnt-63.5" rr-63.81"
'70- 72, Gladiator J-4000 frnt-63.8" rr-64.38"
'73 J-2500 frnt-63.5" rr-63.8"
'73 all other J trucks frnt-63.9" rr-64.4"
'74-75 J-10 frnt-62.9" rr-63.8"
'76-87 J-10 frnt-63.3" rr-63.8"
'74-75 J-20 frnt-62.9" rr-64.4" with disc brakes: frnt-63.0" rr-64.4"
'76-84 J-20 frnt-64.9" rr-65.9"
'63-72 Wagoneer 57"
'73 Wagoneer frnt-57.3" rr-57.5"
'74-75 Wagoneer frnt-59" rr-57.5"
'74-75 Cherokee (full size) frnt-58.8' rr-57.5"
'76-91 Wagoneer, '80+ Cher frnt-59.4" rr-57.8"
'76-79 Cherokee (full size) frnt-59.2" rr-57.8"
'76-78 Cherokee S frnt-59.5" rr-58.5"
'76-80 Cherokee Chief 2 dr. frnt-65.4" rr-62.3"
'81-83 Cherokee Chief 2 dr. frnt-65.3" rr-62.3"
'67-71 Jeepster C-101 50"
'72-73 Commando C-104 frnt-51.5" rr-50"
'72-83 CJ-5, frnt-51.5" rr-50" (so called-
'76-81 CJ-7, CJ-8 ('81 only) frnt-51.5" rr-50" narrow axle)
'82-86 CJ-7 frnt-55.8" rr-55" (so called- wide axle)
'82-85 Scrambler, CJ-8 frnt-55.8" rr-55" wide axle )
'84-87, 93 up Cherokee XJ 58"
'88 up Cherokee XJ 57"
'86-92 Comanche, 57"
'87 up Wrangler, YJ/TJ 58"
'93 up Grand Cherokee, ZJ/WJ 58"
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Old November 25th, 2005, 06:08 PM   #2
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Great info to have on hand.
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Old July 11th, 2006, 02:37 PM   #3
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Good stuff, was wondering how much I would gain with my -7 narrow axles in my-5
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Old July 11th, 2006, 02:57 PM   #4
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Quote:
Originally Posted by rookieupgrade1
Good stuff, was wondering how much I would gain with my -7 narrow axles in my-5
Narrow track CJ-7 and CJ-5 axles should be the same width...(all CJ-5s are narrow)
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Old July 11th, 2006, 03:11 PM   #5
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So are you listing axle width, or just track width? (It looks like the latter to me)
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Old July 11th, 2006, 03:28 PM   #6
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looks like track width to me.
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Old July 11th, 2006, 03:55 PM   #7
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Quote:
Originally Posted by rm25x
Axle Width Data

'54-71 CJ-5 48.44" (so called early narrow axle)

'76-81 CJ-7, CJ-8 ('81 only) frnt-51.5" rr-50" narrow axle)
I would gain some
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Old July 11th, 2006, 04:07 PM   #8
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Mmm, those are posted as TRACK widths, not axles widths.

The early Jeeps had skinny tires and wheels which affected the track width.

The rear axle widths are more or less the same. I currently own a 53 CJ-3a, and have previously owned intermediate (1975) and late model (1981) CJ-5s... there isn't a 2" difference in axle width, only track width changes based on OE tire/wheel combos. All should be 50.5". The front axles may pick up some width, the early are 51" WMS, later are 53" WMS.

I'd still be a benefit, to get an open knuckle front end, I'd keep the Daan 44 offset rear and get 1 piece axles for it, unless you are also swapping T-cases.



You are rather active today. Welcome to the board, I'm Jesus , official mouthpiece of the all powerful Clarkston Cracker. When it comes to anything, I know everything, and probably invented it. When the mouth of CC talks, even EF Hutton listens..

Last edited by Haggar; July 11th, 2006 at 04:13 PM.
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Old July 11th, 2006, 04:39 PM   #9
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Quote:
Originally Posted by Haggar
Mmm, those are posted as TRACK widths, not axles widths.

The early Jeeps had skinny tires and wheels which affected the track width.

The rear axle widths are more or less the same. I currently own a 53 CJ-3a, and have previously owned intermediate (1975) and late model (1981) CJ-5s... there isn't a 2" difference in axle width, only track width changes based on OE tire/wheel combos. All should be 50.5". The front axles may pick up some width, the early are 51" WMS, later are 53" WMS.

I'd still be a benefit, to get an open knuckle front end, I'd keep the Daan 44 offset rear and get 1 piece axles for it, unless you are also swapping T-cases.



You are rather active today. Welcome to the board, I'm Jesus , official mouthpiece of the all powerful Clarkston Cracker. When it comes to anything, I know everything, and probably invented it. When the mouth of CC talks, even EF Hutton listens..


Got ya on the track width. Can not find a 1 piece rear axle for the offset 44 int hat jeep.

Any idea where I can look for that? I wouldn't mind keeping it stock (with the exception of ARB, terelow, 35's glass tub, 4 inch lift, and EFI )

Was going to go with the AMC20 and Dana 30 just because I am running them in the -7 already and am happy with the preformance. I drive pretty gentle.

I like the dauntless as a novelty thing but getting a fully injected one is tough with the oddfire.........
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Old July 11th, 2006, 05:16 PM   #10
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Hmm, I have 3 offset D44s here with stock 1 peice flanged axles (1 of them is 1x1speedCraig's), they do exist. (Wanna buy one?)

As for FI for the Dauntless, just swap a Pro-Jection on, they work fine with the odd-fire.
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Old July 11th, 2006, 05:34 PM   #11
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Quote:
Originally Posted by Cooter
Hmm, I have 3 offset D44s here with stock 1 peice flanged axles (1 of them is 1x1speedCraig's), they do exist. (Wanna buy one?)

As for FI for the Dauntless, just swap a Pro-Jection on, they work fine with the odd-fire.

1971 right?

havn't found one yet, or anyplace that sells the replacement parts.

Buy one.......interested, no cash on hand right now, give me a month
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Old July 11th, 2006, 06:52 PM   #12
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'71 is correct, that is the year mine is
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Old July 11th, 2006, 07:47 PM   #13
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late '69 to '71
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Old July 12th, 2006, 12:30 PM   #14
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Quote:
Originally Posted by Cooter
late '69 to '71
yeah, these were the stock years for the 30 spline 1 piece offset 44s..
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Old July 12th, 2006, 01:11 PM   #15
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Quote:
Originally Posted by Haggar
yeah, these were the stock years for the 30 spline 1 piece offset 44s..
I have heard '70 1/2 - '71, but I'll defer to the experts on this one. There Cooter & Haggar...do you feel like experts now?

Yes, I have one with 5.38 gears (currently at Cooter's place) that I would consider selling. I bought it for a possible future project, but it seems most everything I have is for sale for the right price.

Craig
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Old July 12th, 2006, 01:16 PM   #16
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I also thought it was 70 1/2 to 71, but I could be wrong.
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Old July 17th, 2006, 02:56 PM   #17
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I've seen that list before on Jeep-L or SWB. I always thought it was a WMS list, but I never bothered to check anything on it. Being able to look up which models were wider or narrower than others was always enough for what I was doing.
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