Farm Equipment - WC serial number

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WC serial number

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=33376
Printed Date: 05 Apr 2026 at 3:24pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: WC serial number

Posted By: kschab92
Subject: WC serial number
Date Posted: 05 Jul 2011 at 8:32pm

I have a 38 wc and got the serial number off of it today. My manual tells me that the SN should end in a K or a G, depending on the class of fuel. I was very surprised to find the number W59094HA. Could someone tell me a little bit about this? thanks.

Replies:

Posted By: Jeff Z. NY
Date Posted: 05 Jul 2011 at 9:02pm

I read once that some had GA or PA.
Wet the area with a rag and make sure the H is really an H

Posted By: kschab92
Date Posted: 05 Jul 2011 at 9:05pm

it is an H

Posted By: Jeff Z. NY
Date Posted: 05 Jul 2011 at 9:35pm

I'm lost on that one.
Sorry

Posted By: Jeff Z. NY
Date Posted: 05 Jul 2011 at 9:38pm

Another person had this to say.
W Prefix Engines
K Suffix Dist 1300 (4.2:1)
G Suffix Gas 1300 5.0:1
KA Suffix Dist(Late) 1300 4.6:1 (4.5?)
HA Suffix Dist High Alt 1300 5.0:1

Posted By: TomMN
Date Posted: 05 Jul 2011 at 9:46pm

The serial number you mention is for a 1937, and would be the engine serial number. The tractor serial number is on the rear end and will start with WC. Bryan Smith has a good page to correlate approximate engine serial numbers with the tractor they came in.
http://people.clemson.edu/%7Ewsmth/SNFind/esn_tsn4.htm - http://people.clemson.edu/~wsmth/SNFind/esn_tsn4.htm

It was good to find out what the HA stood for, I hadn't seen that on one before.