Govenor Spring Help - wd45
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=40975
Printed Date: 29 Aug 2025 at 1:34pm
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Topic: Govenor Spring Help - wd45
Posted By: Brampton 02 gt
Subject: Govenor Spring Help - wd45
Date Posted: 22 Nov 2011 at 8:57pm
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I have a wd45 I am rebuilding and would like to get a few more rpm's out of it. I have read I could change the govenor spring to a D17 or a 175 spring. What would give me the most rpm's thanks!
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Replies:
Posted By: AaronH
Date Posted: 22 Nov 2011 at 9:08pm
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if you are just looking for the most rpms, the 175 will do it.
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Posted By: DrAllis
Date Posted: 22 Nov 2011 at 9:09pm
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D17 spring approx 2000 rpm...170-175 spring approx 1800 rpms....all are based on a properly adjusted/synchronized governor....improper adjustment yields different rpms.
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Posted By: Brampton 02 gt
Date Posted: 22 Nov 2011 at 9:11pm
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Dr. Allis is there an old post of yours explaing adjustment you could kindly direct me to thanks
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Posted By: AaronH
Date Posted: 22 Nov 2011 at 9:20pm
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I wont argue with you... but my 45 runs 2200 rpms with the 175 spring. never tried a 17 spring.
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Posted By: Jeff B
Date Posted: 22 Nov 2011 at 9:51pm
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High Idle rpm is not governed rpm. Full load rpm on a d17 is 1650 and 1800 on 170 175 and 1400 on a wd45.
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Posted By: Brampton 02 gt
Date Posted: 23 Nov 2011 at 7:31pm
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Is the spring that hard to change? It looks like it would be a pain once the rad goes in. I ordered a D17 spring - maybe I should have got the 175 spring.
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Posted By: mike a
Date Posted: 25 Nov 2011 at 9:16pm
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the 175 spring is available at any agco dealer,part #70226785.about $40.
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Posted By: Dakota Dave
Date Posted: 25 Nov 2011 at 9:28pm
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I ordered one from AGCO last year. it comes as spring and plunger. the AGCO catalog has 1400, 1600, and 1800. listed. takes about 1/2 hour to change with the raditor and hood still installed. I used a needle nose visegrip to hook the forward end. there is not much room.
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Posted By: Kip-Utah
Date Posted: 26 Nov 2011 at 10:28am
Our WC with a 45 engine and 17 spring runs just a tick over 2000 rpm and idles real nice at about 700 rpm.
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