Pulling Forum - sherman

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sherman

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Category: Other Topics
Forum Name: Pulling Forum
Forum Description: Forum dedicated to Tractor and Garden Pulling
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=166821
Printed Date: 23 Nov 2024 at 1:48pm
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Topic: sherman

Posted By: wd45tim
Subject: sherman
Date Posted: 21 Dec 2019 at 10:51am

Looking to buy a sherman under drive transmission, found an overdrive, the seller
says you can switch gears to make it an under drive. is he correct? Ive read
other posts where that cant be done, just wondering whose right.wd45tim

Replies:

Posted By: lowell66dart
Date Posted: 22 Dec 2019 at 8:32am

This may help.

http://brianahart.net/?fbclid=IwAR1WKZTZaWWhwV74VgPfr_G6sfeZLsXbf8EetwgXs5ibXWVbyxT8YA3sXzs" rel="nofollow - http://brianahart.net/?fbclid=IwAR1WKZTZaWWhwV74VgPfr_G6sfeZLsXbf8EetwgXs5ibXWVbyxT8YA3sXzs

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AC 6080 (8030,7060,200,175,D-17HC, 6040,160,6140 all gone) Farmall 1066 & 656 Hi-Clear (for sale), White 2-62 High Clearance, JD 4255 Hi Clear.

Posted By: DrAllis
Date Posted: 22 Dec 2019 at 10:13am

To my knowledge, there were two companies that made overdrive/underdrive units for WC/WF/RC tractors. One was Sherman and the other was Heisler. I too have heard that gears could be switched around, but don't know that to be fact. I'm sure you (back in the day) could have purchased the different ratio gears to install them into a gearbox already in service, but to just switch around existing gears, I'm not so sure. The literature provided on that website makes no mention of being able to so such a thing. If that was true, why would they have had two different pieces of literature?? They would have had one piece of advertising calling it an "under-drive and an overdrive", just switch the gears around like changing sprockets on a corn planter.