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Old 06-09-2010, 11:45 AM   #1 (permalink)
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LMTV or FMTV axles

I dont see any mention of them on here. Just too 'new' still? Or just such an abundance of top loaders that no one bothers?

These are the axles from the current 2.5ton and 5ton military trucks.

They are built by Rockwell International/Arvin Meritor.
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Old 06-09-2010, 12:59 PM   #2 (permalink)
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I work on those quite a bit. I need to get some pics of the shafts the next time we have an axle apart. They are truely badass, only thing I see being a problem is the brakes on it. I am sure you could fab some sorta bracket to mount on the third member, but wheel brakes would probably be impossible. I have been searching for them online and have not came across any at all, my guess is they aer still to new to find.

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Old 06-09-2010, 01:11 PM   #3 (permalink)
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Why would wheel brakes be impossible?

They are offered from Arvin Meritor as a factory option. Just have to find the right rotor that will fit.

Mounting on the third member... in the front, I think it will get in the way of the tie rod and in both the front and the rear, they will hang down and be in harms way. I guess a guard could be built. But, I still see an issue with it hitting the tie rod.
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Old 06-09-2010, 03:57 PM   #4 (permalink)
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I was not aware it was a factory option....never researched that far. all i know is they have big drum air brakes on the trucks I work on. if a rotor could be had, wheel brakes wouldnt be an issue.

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Old 06-09-2010, 04:58 PM   #5 (permalink)
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these are definitely beefy axles! I work for the army and have seen some of the "graveyards" at the test center. there are piles of these axles and partial trucks just sitting around my current customer has a couple LMTV's and FMTV's that we get to use/play around with, not bad trucks what i've seen.
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Old 06-10-2010, 05:13 AM   #6 (permalink)
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Just no support out there for them yet.

So, everything I am doing is a first.
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Old 06-10-2010, 09:01 AM   #7 (permalink)
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these are the ones with 2:1 reduction at the hubs, right?
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Old 06-10-2010, 09:02 AM   #8 (permalink)
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these are the ones with 2:1 reduction at the hubs, right?
Yeah, 7.x:1 overall.
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Old 06-11-2010, 07:39 AM   #9 (permalink)
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there's a guy down here in florida building a mud truck with a set. i think they're similar in strength to a stock 5 ton.

they pop up on gov liquidation from time to time....
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Old 06-11-2010, 08:54 AM   #10 (permalink)
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Old 06-11-2010, 09:36 AM   #11 (permalink)
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Pics ...

Last edited by four_by_ken; 06-11-2010 at 10:42 AM.
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Old 06-11-2010, 10:18 AM   #12 (permalink)
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red X...anybody else see the pic?
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Old 06-11-2010, 11:24 AM   #13 (permalink)
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I see it. They look heavy. Are the hubs planetaries? Don't look like it but I'm not exactly an expert ...

J. J.
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Old 06-11-2010, 11:32 AM   #14 (permalink)
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I see it. They look heavy. Are the hubs planetaries? Don't look like it but I'm not exactly an expert ...

J. J.
Yes, they are heavy. Over 1000lbs I believe with the massive drums. Not sure without. I looked up the weight at one time and figured without the drums, they would be around the weight of 2.5 ton top loaders. Maybe slightly more, but not much.

They have planetary ends. 35 degree turning. Used in the 2.5t and 5t trucks. Overall ratio is 7.1:1 (offered in 6.14, 7.1 and 7.8)
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Old 06-11-2010, 11:38 AM   #15 (permalink)
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They are gear reduction but not planetaries. They have 4 spider gears on a large cross bar with side gears. They look more like the inside of a diff.
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Old 06-11-2010, 11:40 AM   #16 (permalink)
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They are gear reduction but not planetaries. They have 4 spider gears on a large cross bar with side gears. They look more like the inside of a diff.
Yes, you are correct. I used the wrong term.
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Old 06-11-2010, 11:52 AM   #17 (permalink)
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Same axle is used in both the 2.5 and 5-ton truck???

J. J.
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Old 06-11-2010, 11:57 AM   #18 (permalink)
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Same axle is used in both the 2.5 and 5-ton truck???

J. J.
Yes. There are (I think) 19 different variations of the LMTV and FMTV and they all use the same axle. Some are 4x4 and others are 6x6.

Click on the right side.... http://www.globalsecurity.org/milita...round/fmtv.htm
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Old 06-12-2010, 11:12 AM   #19 (permalink)
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it's a big gay mud truck, but here's the florida truck i know of....

http://chuckstrucks.iforumer.com/vie...trucks#1884004
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Old 06-12-2010, 11:57 AM   #20 (permalink)
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there's a guy down here in florida building a mud truck with a set. i think they're similar in strength to a stock 5 ton.

they pop up on gov liquidation from time to time....

There was a new unused set, and an even bigger set (hmmtt?) at one of the scrap yards I go to. Nice to see our tax dollars at work

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Old 06-12-2010, 12:05 PM   #21 (permalink)
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Those axles are a hernia waitin to happen.
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Old 06-12-2010, 12:15 PM   #22 (permalink)
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Nice to see our tax dollars at work
You have no clue...
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Old 06-12-2010, 12:29 PM   #23 (permalink)
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Those axles are a hernia waitin to happen.
pfft.... you keep thinking a dana 60 is the ultimate axle.
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Old 06-12-2010, 12:47 PM   #24 (permalink)
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pfft.... you keep thinking a dana 60 is the ultimate axle.
pfft 10 bolt all the way
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Old 04-19-2012, 06:51 AM   #25 (permalink)
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these are definitely beefy axles! I work for the army and have seen some of the "graveyards" at the test center. there are piles of these axles and partial trucks just sitting around my current customer has a couple LMTV's and FMTV's that we get to use/play around with, not bad trucks what i've seen.
I want a set of these axles. Please let me know if someone can get them
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