1965 190XT tachometer question.
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=205815
Printed Date: 12 Mar 2025 at 7:56am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 1965 190XT tachometer question.
Posted By: 6wheeler
Subject: 1965 190XT tachometer question.
Date Posted: 11 Mar 2025 at 2:17pm
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Hi all. Playing with my 190xt again. It is now running well. The tach does not work and I can't find anything in my books on how it works/drives. I am guessing it would drive off of the distributor base. Is there supposed to be a cable for it? The tractor is showing 3957 hours. Which obviously, are not current. It is not important. I just like to have things working. Maybe the head unit is junk. I don't know that yet. I am sure some could be electrical. I would guess this tractor is old enough to not have that. I am not doing a restoration on this tractor. I am a patina guy. The tractor looks great to me. When I figure out how to post a picture of it. I will. Thanks Pat
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Replies:
Posted By: DSeries4
Date Posted: 11 Mar 2025 at 3:57pm
Tach is not electric. Cable driven off the engine. Diesel engine has a drive on the left side. Not sure where it is on the gas engine, but without a cable, your tach will not work.
Cable might also be broken inside - mine was. Replaced the cable and everything worked again.
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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '61 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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Posted By: tbran
Date Posted: 11 Mar 2025 at 4:07pm
It drives off the cam / oil pump - mid block - the gas has a 90 degree plug on the distributor base that contains the tach drive mechanic and male threads for the cable. 74054851 IS THE PLUG parts.agco
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When told "it's not the money,it's the principle", remember, it's always the money..
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Posted By: AC720Man
Date Posted: 11 Mar 2025 at 8:17pm
Most likely broken cable, easy to check. Unscrew it from the tach, start the tractor and see if it’s turning. Star Speedometer in FL will make a new cable or repair the tach. Not cheap, but he guarantees them for a year. He has repaired 4 for me and they look new when I get them back. I highly recommend him.
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1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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