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circleburner12
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Joined: May 16, 2011
Posts: 385
Location: arkansas
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 Posted: Mon Jan 30, 2012 8:29 pm Post subject: ring gear & pinion |
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| looking for a ring gear and pinion for the rear of a m38a1. let me know what you have. thxs |
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Bretto
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Joined: Nov 24, 2010
Posts: 1390
Location: Orem, UT
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| Posted: Tue Jan 31, 2012 5:24 am Post subject: |
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I would assume you have a Dana 44? But you never know?
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Brett
'51 M38
PHOTO DIARY OF MY BUILD |
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circleburner12
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Joined: May 16, 2011
Posts: 385
Location: arkansas
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| Posted: Tue Jan 31, 2012 11:03 am Post subject: |
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| i think it is a dana44, with a 5.375 ratio, does this sound right?. looking through my manuals but havent found it yet. thxs |
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shooter
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Joined: Sep 21, 2009
Posts: 6
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| Posted: Tue Jan 31, 2012 4:31 pm Post subject: |
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| I have a rear axle off of my M38A1 that I am not using. I have never pulled it apart but it may still be in decent shape. Could get around to taking a look at it within a couple of days if you are interested. |
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jimm
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Joined: Nov 01, 2011
Posts: 199
Location: Escondido, CA
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| Posted: Tue Jan 31, 2012 11:37 pm Post subject: |
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| circleburner12 wrote: | | i think it is a dana44, with a 5.375 ratio, does this sound right?. looking through my manuals but havent found it yet. thxs |
Yup, that's correct. It's sort of on page 105 of TM 9-2320. I say "sort of" because the part numbers are there but not the number of teeth. They are the same part numbers as in the M38 parts manual, where it states 43-8T, 5.38 ratio. (Every time I look for something in the M38A1 parts manual, I thank heaven I have an M38.)
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Jim McKim
1952 M38 son-father project
Slowly turning rusty parts into OD parts |
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circleburner12
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Joined: May 16, 2011
Posts: 385
Location: arkansas
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| Posted: Wed Feb 01, 2012 10:04 am Post subject: |
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| you got that right, i have a hard understanding the manuals that i do have for an a1. thxs jimm |
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shooter
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Joined: Sep 21, 2009
Posts: 6
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| Posted: Wed Feb 01, 2012 10:43 am Post subject: |
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| I pulled the cover off of the axle and it is stamped with 43 teeth on the ring and 8 on the pinion. The math says 5.375 but 5.38 should be the correct ratio. |
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circleburner12
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Joined: May 16, 2011
Posts: 385
Location: arkansas
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| Posted: Wed Feb 01, 2012 5:06 pm Post subject: |
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| thxs shooter, i might have found one. so if you dont care, hold off for alittle while and i'll let you know. thxs |
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shooter
Member
Joined: Sep 21, 2009
Posts: 6
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| Posted: Thu Feb 02, 2012 9:32 am Post subject: |
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| You bet. The ring looked appeared to have no rust on it but couldn't see the pinion. It has been sitting around for a while and can keep doing that for a few more years. No hurries. |
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herb
Member
Joined: Mar 16, 2006
Posts: 30
Location: NJ
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| Posted: Fri Feb 10, 2012 7:05 pm Post subject: |
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| I have a new old stock ring/pinion. $85.00 plus shipp e mail me at jfl47@roadrunner.com |
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circleburner12
Member
Joined: May 16, 2011
Posts: 385
Location: arkansas
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| Posted: Fri Feb 10, 2012 7:59 pm Post subject: |
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| thxs guys for the replies, just bought an nos set. thanks |
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wesk
Site Administrator
Joined: Apr 04, 2005
Posts: 16258
Location: Wisconsin
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| Posted: Fri Feb 10, 2012 10:26 pm Post subject: |
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The better manual for M38A1 parts is the ORD 9 SNL G-758. If you don't have one then just download it in PDF format for free right here on this web site's downloads page.
If you look at page 228 about right in the middle you'll see:
2520-737-2679, G740-7372679, SP#18599-7X, WO# 802557
Differential, assy, (43-8T, 5.38 ratio)
If you look at TM 9-8014 pages 245/Par 206 (front axle) and page 259/Par 215 (rear axle) the answer is also there.
The TM 9-2320-208-20P. and TM 9-2320-208-34P are products of the 1960's and 70's when the military went to the FSN system and from that point on manufacturer's part numbers rapidly disappeared from the parts manuals and could only be found in cross reference catalogs held at the supply offices and not in the maintenance offices.
_________________
Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php |
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