Engine break-in period
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=29727
Printed Date: 31 Dec 2025 at 12:29pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: Engine break-in period
Posted By: MilesGray (CO/KS)
Subject: Engine break-in period
Date Posted: 25 Apr 2011 at 10:28am
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I have a 1938 B that I am buying that has less that 2 hours on a complete rebuild. The only things that are not new are the block and the head, though they have been reground. The two hours were used to set timing/magneto and make sure it runs properly. everything else in the tractor has been replaced/rebuilt also, front to back. All it really needs is paint as it is original.
I am planning on using this tractor, and I was wondering what special care I need to take in the Break-in period so it will last another 70 years, assuming I can buy gas for it! LOL
Thanks,
Miles
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Miles Gray (CO/KS)
5 1938 B's, 1940 B, 1944 WF C, 1948 NF C, Gleaner A, White Top Rotobaler, 1957 IH Golden Jubilee... I'm either a collector, or crazy!
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Replies:
Posted By: Butch(OH)
Date Posted: 25 Apr 2011 at 10:52am
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At 2 hours it is already past the critcal period. First time you have it warmed up change the oil to get rid of assembly and break in particles. Most instructions will tell you to not run it wide open for hours and dont let it sit and idle other than that just use it. Far too many error on the side of pussy footing around hour after hour with a new overhaul and its realy not the best thing to do with a new engine IMO.
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Posted By: BobHnwO
Date Posted: 25 Apr 2011 at 11:11am
Put her to work,just watch oil pressure and water temp,and what Butch said.
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Why do today what you can put off til tomorrow.
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