Construction and other equipment

Print Page | Close Window

HD4 wont move

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Construction and other equipment
Forum Description: everything else with orange (or yellow) paint
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=6546
Printed Date: 18 Apr 2025 at 4:02pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: HD4 wont move

Posted By: DonDittmar
Subject: HD4 wont move
Date Posted: 14 Jan 2010 at 7:01am

Uncle has an HD4 that works great, except after 10 minutes of running it will stop moving in foward or reverse until it cools back off, then it will move for 10 minutes again. We havent had a chance to look at it yet, but was wondering if anyone ran into this before or has any ideas what too look for

-------------
Experience is a fancy name for past mistakes. "Great moments are born from great opportunity"

1968 D15D,1962 D19D
Also 1965 Cub Loboy and 1958 JD 720 Diesel Pony Start

Replies:

Posted By: Calvin Schmidt
Date Posted: 14 Jan 2010 at 11:18am

Sounds like a torque converter problem.

Are the fluid levels up? Does the oil smell burnt?

Posted By: ivan
Date Posted: 14 Jan 2010 at 12:45pm

i can help 989 379 2721

Posted By: Coke-in-MN
Date Posted: 14 Jan 2010 at 4:13pm

Clutch pack in the fwd/rev worn or hyd pressure low to hold clutches.

Get info to find hyd pressure for the system. also there is a filter in the system and a screen on intake.

On mine the spring in the fwd/ rev valve broke on one side of valve body and the slide valve would not move into position to allow oil to flow to clutch pack. Replaced the spring and worked fine.

-------------
Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."

Posted By: DonDittmar
Date Posted: 18 Jan 2010 at 7:24am

Thanks guys. I will let you kow what we find when we tear it down

-------------
Experience is a fancy name for past mistakes. "Great moments are born from great opportunity"

1968 D15D,1962 D19D
Also 1965 Cub Loboy and 1958 JD 720 Diesel Pony Start

Posted By: orangereborn
Date Posted: 12 May 2010 at 12:14am

Don...You ever find you problem source? Thanks....Dale