Farm Equipment - WD Rear Power Adjust Cams and clamps

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WD Rear Power Adjust Cams and clamps

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=125475
Printed Date: 23 Sep 2025 at 8:40am
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Topic: WD Rear Power Adjust Cams and clamps

Posted By: TwoWheelsNow
Subject: WD Rear Power Adjust Cams and clamps
Date Posted: 06 Jul 2016 at 5:50am

Hi:

My new-to-me WD has apparently had one rear wheel replaced at some point. One wheel has holes drilled in the ramp parallel to the AXLE, with angled clamps (Which I believe is original style?), but the other has holes drilled perpendicular to the ramp itself, which presumable uses straight clamps.

a) where can I find the straight clamps, and what do the look like? Is this the Massey style?

b) the cam-bolts used to clamp the wheel before installing the stops are a mess. Some of them are siezed in place, and some move but dont seem to stop the wheel from self-adjusting. What do these look like, and how are they replaced? Can it be done without removing the rim?

Thanks,

Dave

Replies:

Posted By: DSeries4
Date Posted: 06 Jul 2016 at 11:50am

You need to separate the wheel center from the rim to fix up the eccentrics. It's not unusual for them to get rusted and seized up. I put all mine in the wood stove all night in the winter to get them loosened up. After that I was able to take everything apart and clean things up.
If your wheel is moving in and out, that is a sign they are not tight. IF you tighten the bolt head, that should hold the rim in place.

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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: Rick
Date Posted: 06 Jul 2016 at 12:56pm

If they're run loose for long periods of time, they tend to wear the rails that they ride on, too. Rick