Construction and other equipment

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HD4/653

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=119305
Printed Date: 30 Oct 2025 at 9:22pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: HD4/653

Posted By: allisguy.11
Subject: HD4/653
Date Posted: 21 Feb 2016 at 6:43pm

Ive got an HD4 crawler loader with a hole in the block…. and I've got a 653 with a great running engine but a bad trans…. Id rather not part out the 653 because the undercarriage and the rest of the dozer is so good. My first question is… Do any of you dudes have a HD4 engine you'd be willing to part with? And I am just scheming here and haven't looked into it yet so excuse me for asking but are the HD4 and 653 engines the same?

Thanks a bunch!

Replies:

Posted By: Coke-in-MN
Date Posted: 23 Feb 2016 at 5:48pm

AC 2200 engine used - same block can be gas or diesel -

used in cotton pickers, fork trucks and H4 machines .

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Life lesson: If you’re being chased by a lion, you’re on a horse, to the left of you is a giraffe and on the right is a unicorn, what do you do? You stop drinking and get off the carousel.

Posted By: ILGLEANER
Date Posted: 23 Feb 2016 at 11:32pm

I have a motor out of an F3.

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Education doesn't make you smart, it makes you educated.

Posted By: Mike8cyl
Date Posted: 03 May 2016 at 7:48pm

I had a hole in the block on my hd4 thought I was screwed I drilled it tapped it and put a pipe plug in it good to go! Just an idea :)