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Possible HD16DP acquisition

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=208258
Printed Date: 21 Sep 2025 at 7:35pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: Possible HD16DP acquisition
Posted By: hdokes
Subject: Possible HD16DP acquisition
Date Posted: 21 Sep 2025 at 4:53pm
Greetings all. Who knew becoming a land developer would find me owning such a variety of heavy equipment but here I am again with my potential acquisition of an Allis Chalmers HD16DP-7748. I do not know for certain but I am going to put this around the 1967/68 vintage. It's certainly larger than my D6.

I went to check this bad boy out and it is in unbelievably great shape... everything works very well accept an issue with what I believe to be the transmission. The current owner explained that the unit would not move when he purchased it. Found the transmission dry... no fluid. They filled it up and that got it to moving. Over time it has retreated into a process of firing up the motor... than working the forward/reverse back and forth until the machine begins to move... initially it will move about 10 feet in both direction and then build up as you continue to cycle back and forth. Ultimately it will reach a point that it will move well for the day until such time you shut it down and let it sit. You then will have to repeat the process. I have ordered a complete set of manuals for it but do not have them yet. Thought I would look to see if there was an A-C old timer on here that could lend some pointers.

I have posted this info in other tractor sites and have others telling me to run... don't walk... away from this purchase.  Those that bother to explain why suggest parts are an issue.  I'm finding it hard to even walk away from this.  The unit is in very nice shape... all movements work very well accept the issue I spoke of above.  My primary purpose for purchasing is the monster rake on the back and a 4 way blade.  My current CAT D6 has neither and I am working a project that requires both.

Any comments?





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