D10 series III tach
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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=24978
Printed Date: 18 Jul 2025 at 4:56pm
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Topic: D10 series III tach
Posted By: Thomas-NC
Subject: D10 series III tach
Date Posted: 31 Jan 2011 at 10:39am
Can anyone tell me if or why a D14 tach will not work on a series III D10 with range trans?
Thanks for any help.
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Replies:
Posted By: wbecker
Date Posted: 31 Jan 2011 at 10:43am
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I don't know, maybe gear ratio or RPM difference?
I just bought one for the D10 - D12 from Tonys tractors, very nice.
Bill B
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Allis B, IB, Low B, G, D10, JD M, 8KCAB, C152
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Posted By: JoeO(CMO)
Date Posted: 31 Jan 2011 at 10:57am
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The RPM will indicate the same and be correct, the MPH in each gear will be different.
If that is not a requirement, no problem.
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Posted By: Thomas-NC
Date Posted: 31 Jan 2011 at 12:12pm
Becker, The one Tony`s has is for D10-D12 up to serial 9000 series II. I have the series III with Hi-LO trans which uses a different tach.
Joe, I was thinking it would work, the mph might be off a little, not important, just want to make sure the rotation of the cable was the same. I think the face of the tach looks nearly the same.
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Posted By: Chad(WI)
Date Posted: 31 Jan 2011 at 12:44pm
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Not sure if it would work, but the D-10 & 12 series one & 2 have different faces for the 4 speed VS 8 range tranny.
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Posted By: David(Stockbridge)MI
Date Posted: 31 Jan 2011 at 5:55pm
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We sell the one for the early D10 & D12 which comes with the bracket. They do not make one for the later series III with range transmission. I have used the D14 D15 Tach on my D10 & D12 which have the range trans and the work just fine. You will have to make your own bracket, but not a big deal. The cable attaches same as the D14 / D15 and they share the same 149 cu in engine, so RPM is the same. Ground speed may be off a little, but then again changing tires sizes will change it also. Sold this setup to a dozen customers and all were happy. Best of all the D14/D15 tach sells for only $75.00 verses the early D10 / D12 4 speed tach which is around $180.00 Also have the tach cables if anyone is interested. David http://www.djstractorparts.intuitwebsites.com - www.djstractorparts.intuitwebsites.com
mailto:djstractorparts@yahoo.com - djstractorparts@yahoo.com
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Posted By: Thomas-NC
Date Posted: 31 Jan 2011 at 6:59pm
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Thanks for the help David. Sounds like the way to go.
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Posted By: norm[ind]
Date Posted: 31 Jan 2011 at 7:50pm
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we have mtg. brackets + tachs for the d-10 -12 tractors also d-14-1 is your choice???? 1-800-254-3116
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