High RPM setting on a WD
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=54924
Printed Date: 11 Sep 2025 at 9:47am
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Topic: High RPM setting on a WD
Posted By: nowaktj
Subject: High RPM setting on a WD
Date Posted: 08 Aug 2012 at 5:32am
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Hi
What should the high rpm be for a WD? I remade the rod between the carb and the governor arm and also put a new throttle shaft in the carb and in total the rpm at wide open is 1550.
Should it be 1600 to 1700 with no load?
Thanks in advance for the help,
Terry
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D19D, D17D, WD, WC, Snobee, #83 Plow, SC Blade, 14' disk, 400 series planter, B , Terra Tiger, M Dozer w/Baker Blade, TL-12, 42S Grader, G
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Replies:
Posted By: cotncrzy
Date Posted: 08 Aug 2012 at 7:37am
yes but 1/16 of an inch, could change it way too much. Do a search on here, lot's of good advice on this.
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C, WD45,WD puller, 185, 200, 7060 Red Belly, 7060 Black Belly,8010, and a R52 Gleaner, AND PROUD OF THEM!
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Posted By: nowaktj
Date Posted: 08 Aug 2012 at 3:40pm
I searched the existing posts and didn't find a recommendation on no load high rpm setting.
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D19D, D17D, WD, WC, Snobee, #83 Plow, SC Blade, 14' disk, 400 series planter, B , Terra Tiger, M Dozer w/Baker Blade, TL-12, 42S Grader, G
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Posted By: Orange Blood
Date Posted: 08 Aug 2012 at 4:57pm
If I am not mistaken the correct procedure for setting High Idle RPM on the WDs was to ever so slightly bend the throttle control arm on the carb side.
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Still in use:
HD7 WC C CA WD 2-WD45 WD45LP WD45D D14 3-D17 D17LP 2-D19D D19LP 190XTD 190XTLP 720 D21 220 7020 7030 7040 7045 3-7060
Projects: 3-U UC 2-G 2-B 2-C CA 7-WC RC WDLP WF D14 D21 210 7045 N7
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Posted By: Allis dave
Date Posted: 08 Aug 2012 at 8:16pm
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I had to set the linkage last year on my 45 after rebuilding the engine. According to the AC service manual
"Place hand lever in full speed position. Hold the carborator throttle valve wide open. The link rod should just reach between the cross shaft arm and carborator valve arm, or at most be 1/16" too long"
"High idle should be 1677-1722. If the speed is too high, let the throttle rod out at the bell crank, reducing the sprint tension on the governor."
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