New Clutch Issue - D17
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=160426
Printed Date: 22 Oct 2025 at 4:43am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: New Clutch Issue - D17
Posted By: barnabas_12
Subject: New Clutch Issue - D17
Date Posted: 27 Apr 2019 at 12:54pm
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I just put a new clutch in my D17-IV, but something it's not exactly right. It only wants to grind when trying to get in gear. I adjusted the pedal as long as possible - and looked through the plate - seems like the throw-out is working correctly. If I start the tractor in gear, the clutch seems to 'mostly' disengage. There is still a little power rolling the tractor forward - which I can stop with the brake no problem. It is similar to the power director in neutral on a cold day (however, this is not the power director - this description is with the power director in fully in gear). With the brake on, there is a lot of throw as I let the clutch out before it really begins to deliver actual power - which seems right since I adjusted the pedal. Therefore, it seems like the pressure plate is working OK as well. Just can't figure out why it's not disengaged enough to get in gear. Please let me know if you have any ideas.
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Replies:
Posted By: DrAllis
Date Posted: 27 Apr 2019 at 1:21pm
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A series 4 gas takes a different clutch disc than any other D-17 tractor. The clutch hub is machined shorter on the rear to prevent the clutch disc from being jammed up against the clutch shaft splines where they end. Also, I always replace the clutch shaft oil seal and the hollow shaft oil seal and remove the bronze bushing inside the hollow shaft to prevent it from dragging against the spinning clutch shaft, which can cause what you are complaining about.
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Posted By: DennisA (IL)
Date Posted: 27 Apr 2019 at 1:24pm
Did you adjust the release levers on the clutch?
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Thanks & God Bless
Dennis
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Posted By: barnabas_12
Date Posted: 27 Apr 2019 at 2:18pm
Dr. Allis - I believe I bought the correct parts - at least they were sold for use on series IV. I didn't replace any seals (nothing was leaking). The 'bronze bushing' theory sounds plausible. I didn't change any of that or look for it - if I split the tractor again I'll have to see if I can find that.
Dennis - I didn't adjust anything - I assumed they were factory set. This seems plausible as well.
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Posted By: DrAllis
Date Posted: 27 Apr 2019 at 2:25pm
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Exactly how much freeplay do you have ??
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Posted By: Alvin M
Date Posted: 27 Apr 2019 at 2:44pm
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did you machine flywheel to 1.437 step
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