Farm Equipment - ALT. WITH GEAR HEAD FOR TACH.

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ALT. WITH GEAR HEAD FOR TACH.

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=8985
Printed Date: 20 Jan 2025 at 6:14am
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Topic: ALT. WITH GEAR HEAD FOR TACH.

Posted By: SIMPLICITY
Subject: ALT. WITH GEAR HEAD FOR TACH.
Date Posted: 04 Mar 2010 at 8:58pm

HELLO
WOULD ANYONE KNOW WHO CAN REBUILD THE ALT. & GEAR HEAD THAT DRIVE THE TACHS ON 185'S & 200'S?

Replies:

Posted By: Butch(OH)
Date Posted: 04 Mar 2010 at 9:21pm

I am working on parts but there is confusion .Our local rebuilder of such ( who is more than quite good at it) says all the tach drives are the same but recent reserch would indicate that there are several differant ratios as evidenced by all the posts ove rthe years about fast tachs. There are complete aftermarket drives on Ebay and at about every E-tractorparts house for 1/3 what AGCO wants for the two gears alone. They are mostly sold as Massy Ferg but some say Massy Allis etc/ The reason people cant find them is they need to search "proofmeter drive" not "tach drive" It is looking like they are not the correct ratio for our A-Cs, at least not the 190/210/220. I plan to post when I have this nailed down.