Welcome! Please use the navigational links to explore our website.
PartsASAP LogoCompany Logo Auction Link (800) 853-2651

Shop Now

   Allis Chalmers Case Farmall IH Ford 8N,9N,2N Ford
   Ferguson John Deere Massey Ferguson Minn. Moline Oliver

Crawlers, Dozers, Loaders & Backhoes Discussion Forum

Allis Chalmers HD-4 Steering Problem

Welcome Guest, Log in or Register
Author 
rudy2

09-25-2007 11:01:55




Report to Moderator

I finally am getting around to the steering on my HD-4 crawler after spending all summer restoring everything else.

The tractor will turn one direction but not the other. So in order to steer it I have to travel back and forth until I get it jockeyed around. If a steering clutch were slipping I would expect the tractor to turn when trying to go straight, but it travels straight just fine. So I am thinking one of the clutches is not disengaging instead. Does this sound right? If so, is there any way to free up the clutch without disassembling it? Thanks.

Randy

[Log in to Reply]   [No Email]
Rudy2

09-25-2007 21:34:23




Report to Moderator
 Re: Allis Chalmers HD-4 Steering Problem in reply to rudy2, 09-25-2007 11:01:55  
Well, let me re-phrase the problem. When traveling straight, as without grabbing any clutch handles or brake pedals, it tracks fine. This I think is an indication that both clutches are fully engaged and pulling or else the tractor would turn one way or another. Right?

But, when turning by pulling in the left or right clutch it turns one way but not the other. I would assume this indicates one clutch is releasing fine but the other is not. Right?

Hope that is more clear. Thanks.

Randy

[Log in to Reply]  [No Email]
jdemaris

09-26-2007 05:31:40




Report to Moderator
 Re: Allis Chalmers HD-4 Steering Problem in reply to Rudy2, 09-25-2007 21:34:23  
And what about the steering brakes? If they work, they are supposed to stop either track regardless if the clutch is working, not working, stuck, etc. If you engage the brake and declutch the track - and the track keeps going and the engine is laboring - then the brake is working and the clutch is stuck. Not any different than if you were in a stick-shift car or truck, held the brakes on and let the clutch pedal up in gear, and pushed the clutch IN while in gear. Letting the clutch up would stall or work the engine if the brake was on and working. With the HD4s, just a little oil on the clutch disks - if they are fiber - is all it takes to make them get "glued" together. The optional bronze disks don't stick as badly. But, as I already stated, early HD4s were prone to breaking the long bolts that hold the clutch packs together. You ought to peek inside and make sure they're not broken. They are supposed to be updated from 5/16" to 3/8".

[Log in to Reply]  [No Email]
rudy2

09-26-2007 12:53:23




Report to Moderator
 Re: Allis Chalmers HD-4 Steering Problem in reply to jdemaris, 09-26-2007 05:31:40  
Looks like I need to pull out a clutch as I expected. Sure wish AC didn't bury the access cover under the fuel/hydraulic tanks. At least they come out without tearing down the final drive.

Randy



[Log in to Reply]  [No Email]
jdemaris

09-26-2007 13:22:00




Report to Moderator
 Re: Allis Chalmers HD-4 Steering Problem in reply to rudy2, 09-26-2007 12:53:23  
Yeah, but I'm not sure if I'd call it easier - than working on a Deere 350 that requires pulling the finals. I was a Deere mechanic for many years and used to curse their design. But, after doing the steering clutches on my HD4 - I'm not so sure one is any better than the other.



[Log in to Reply]  [No Email]
jdemaris

09-25-2007 16:11:28




Report to Moderator
 Re: Allis Chalmers HD-4 Steering Problem in reply to rudy2, 09-25-2007 11:01:55  
I don't understand the diagnosis problem. The steering has two functions - brakes and clutches. Staring with the steering clutches - doe either side stop getting power when you pull on its respective steering-clutch lever? And, if you hit a brake pedal for either side, does that side grab? If you decide the clutches are stuck - which is common - chances are you're going to have to pull it apart. Best bet is pull the top cover off and see what things look like inside - e.g. look for rust or oil contamination. Also, look for broken pressure-plate bolts. The older HD4s were prone to bolt breakage until the size got updated from 5/16" to 3/8".

[Log in to Reply]  [No Email]
[Options]  [Printer Friendly]  [Posting Help]  [Return to Forum]   [Log in to Reply]

Hop to:


TRACTOR PARTS TRACTOR MANUALS
We sell tractor parts!  We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]

Home  |  Forums


Copyright © 1997-2023 Yesterday's Tractor Co.

All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy

TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.

Yesterday's Tractors - Antique Tractor Headquarters

Website Accessibility Policy