Found an old M&W Gear Company booklet and decals.
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=138122
Printed Date: 20 Sep 2025 at 6:49pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: Found an old M&W Gear Company booklet and decals.
Posted By: garden_guy
Subject: Found an old M&W Gear Company booklet and decals.
Date Posted: 05 May 2017 at 7:28pm
Grandpa had his WD overhauled in 1970 with M&W Gear Company pistons, and I found this amongst my tractor manuals -- they apparently sent him a booklet and two hood decals and a letter. I thought it was pretty neat and you all would enjoy.
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Replies:
Posted By: Ryan Renko
Date Posted: 05 May 2017 at 7:33pm
| Thanks for posting!!! Ryan |
Posted By: CrestonM
Date Posted: 05 May 2017 at 8:28pm
| Awesome! I need M&W pistons for my B. Lol |
Posted By: dawntreader74
Date Posted: 05 May 2017 at 8:31pm
them m+w was the best ones. also got them in two tractors' still runs strong;; gramp' new what he was doing 
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Posted By: CrestonM
Date Posted: 05 May 2017 at 8:43pm
| What was special about their pistons? |
Posted By: ac fleet
Date Posted: 05 May 2017 at 10:08pm
| I have a set still in the factory box,--fits wc, wd, etc.thanks; ac fleet |
Posted By: SteveM C/IL
Date Posted: 05 May 2017 at 11:51pm
they were overbore and higher compression...it seemed they had more effect on AC's than Farmalls.Dad put a lot of them in area tractors in the 60's & 70's. |
CrestonM wrote:Posted By: shameless dude
Date Posted: 06 May 2017 at 12:43am
| Dad had them in his Farmall "M", changed it to a "Super M". |
Posted By: garden_guy
Date Posted: 06 May 2017 at 8:07am
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I have two WDs and the one with the M&W pistons seems to run a bit quieter in the engine to my untrained ear. The other one sounds like a typical old Allis WD engine... But one has a Nelson muffler and one has a Stanley muffler so that may skew it a bit, too. I never tried to dyno them or anything though, and don't know if my other WD was ever upgraded or not. |
Posted By: Dennis(IA)
Date Posted: 06 May 2017 at 10:26am
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Back in the late 50's Dad had a "power block" put in his 1951 JD A. Was that an M&W product? JD 2cyl did not have sleeves so the block had to be replaced. A friend told me that the blocks could be bored out as big as a power block, but I don't believe that. I had a magazine with an article telling how big the power blocks were but I can't find that article. Anyway Dad bought me the WD to farm with, so that is how I became an Allis fan. Dad bought himself a D19 and then a 190XT later on. |
Posted By: Ryan Renko
Date Posted: 06 May 2017 at 7:48pm
| We have M&W pistons and sleeves in our 1950 WD. We also put a M&W Robot header height control on our Gleaner E. They made a heck off a lot of products back in the day!! Ryan |
Posted By: allischalmerguy
Date Posted: 06 May 2017 at 7:55pm
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You probably can't find those decals anymore or book...copy them and you could do someone else a favor? Mike ------------- It is great being a disciple of Jesus! 1950 WD, 1957 D17...retired in Iowa, |
Posted By: tomstractorsandtoys
Date Posted: 07 May 2017 at 7:41pm
| I have a Deere 4020 and two 3020's with M&W pistons in them and they run great. I also have a M&W turbo on the one 4020. I do not think they are available anymore. Tom |