Farm Equipment - 426 early vers late engines?

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426 early vers late engines?

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=133968
Printed Date: 05 Nov 2025 at 12:19pm
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Topic: 426 early vers late engines?

Posted By: nickia
Subject: 426 early vers late engines?
Date Posted: 18 Jan 2017 at 8:35pm

i was offered an engine that has a spun bearing with lots of hrs on the engine "7030" any ways shortly before he spun the bearing he had head issues and replaced the head with a new or refurbushed head. ok my question is i have a 7045 which is a black belly as a project tractor which will need the head gone thru my question is there any head updates between the early vers late 426 engines that would make it a bad idea to swap heads?

Replies:

Posted By: tbran
Date Posted: 18 Jan 2017 at 8:37pm

no difference

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When told "it's not the money,it's the principle", remember, it's always the money..

Posted By: nickia
Date Posted: 18 Jan 2017 at 8:50pm

really thanks