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HD4 Serial Number

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=110741
Printed Date: 24 Jun 2025 at 11:25am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: HD4 Serial Number

Posted By: Buck1278
Subject: HD4 Serial Number
Date Posted: 20 Aug 2015 at 7:50pm

Hi, new to the forum. I'm selling my dozer, and the buyer needs the serial number to secure the loan. The badge on the engine block is missing. Are their any other serial numbers on the dozer that can help identify his particular machine? Any help would be appreciated. Thanks.

Replies:

Posted By: Randaleky
Date Posted: 20 Aug 2015 at 10:00pm

SHOULD BE STAMPED INTO THE FRAME UNDER THE FRONT GRILL. I HAVE AN HD4 DOZER AND LOADER AND BOTH OF THEM ARE STAMPED ON THE FLAT LIP OF THE TORQUE HOUSING WHERE IT BOLTS TO THE BACK OF THE ENGINE JUST BEHIND THE OIL FILTER. CHECK IT OUT AND GET BACK TO US.

Posted By: Buck1278
Date Posted: 23 Aug 2015 at 1:31pm

I will check it out tomorrow. Thanks for the info! I'll pass along what I find.

Posted By: Buck1278
Date Posted: 24 Aug 2015 at 6:16pm

I wasn't able to find the numbers. Maybe I was looking ing the wrong spot. Would it be possible to get pictures of where I should be looking exactly?

Posted By: Buck1278
Date Posted: 25 Aug 2015 at 8:20pm

I wasn't able to find any numbers. Any thoughts?

Posted By: Tracy Martin TN
Date Posted: 25 Aug 2015 at 9:07pm

At the bottom of grill just inside IIRR. HTH Tracy

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No greater gift than healthy grandkids!

Posted By: Randaleky
Date Posted: 26 Aug 2015 at 9:56am

hey tracy , look on the side of your converter housing next to the oil filter where it fits agaiinst the back of the engine and see if you have HD and serial # on yours. both of mine are there.

Posted By: Randaleky
Date Posted: 29 Aug 2015 at 8:40am

I CAN SEND YOU SOME PICS OF WHERE THE SERIAL # LOCATION COULD BE , BUT I NEED YOU TO PM ME YOUR E-MAIL AS I CANNOT POST PICS TO THIS FORUM.