Farm Equipment - D17 governor broke

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D17 governor broke

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=181416
Printed Date: 23 Aug 2025 at 3:07pm
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Topic: D17 governor broke

Posted By: chainweaver
Subject: D17 governor broke
Date Posted: 25 Jun 2021 at 9:55pm

Friend's d17 governor gear broke in half & both weights are in the oil pan no doubt. Can he replace the assembly without dropping oil pan & fishing out the parts? Also the gear that runs it broke 1 tooth, does he have to replace it or can he get by? I'm sure it's been covered many times, I just can't find it. Thanks in advance.

Replies:

Posted By: SteveM C/IL
Date Posted: 25 Jun 2021 at 10:04pm

Have heard tell of gov weight going through drive gears and creating a burr on a tooth which led to bad harmonics causing more governor failures down the road. As Dirty Harry asks,"Do you feel lucky"?

Posted By: DSeries4
Date Posted: 25 Jun 2021 at 10:15pm

You can either fix it right or fix it again. Your choice.

Drop the pan and make sure you get every piece of metal out of there. Also replace the gear and everything else that got damaged.

Cutting corners in engines typically do not help long term reliability.

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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '63 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080

Posted By: DrAllis
Date Posted: 26 Jun 2021 at 5:52am

Radiator and front support must be rolled away. Front pulley and timing cover and starter and oil pan must be removed. Now fix it. All THREE gears with new weights and pins. Be sure to check the governor assembly for gear backlash as the dowel pin may be missing. If people would replace governor weights every 1,000 hrs as a maintenance item, this would never happen.

Posted By: MACK
Date Posted: 26 Jun 2021 at 7:17am

Rough teeth on gears will destroy weights. If gears are rough, replace them. MACK

Posted By: DonBC
Date Posted: 26 Jun 2021 at 3:13pm

This one area of the 226 engine where a little preventative maintenance can prevent very costly repairs. It is not that difficult to pull the governor and check the condition of the pins every now and then.

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Jack of all trades, master of none

Posted By: d17brown
Date Posted: 27 Jun 2021 at 7:16pm

I have a govenor and cam if needed

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phil