Farm Equipment - 190XT Series III Serial # Gas/Diesel

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190XT Series III Serial # Gas/Diesel

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=160945
Printed Date: 30 Aug 2025 at 1:44am
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Topic: 190XT Series III Serial # Gas/Diesel

Posted By: dertz19
Subject: 190XT Series III Serial # Gas/Diesel
Date Posted: 12 May 2019 at 10:04pm

I've owned a 1969 Gas for about 5 years. I was looking at the serial number on the frame yesterday and realized it ends in "XTD"- logic would tell me the D is for diesel, correct? If so, how common would it be to switch out a diesel engine for gas?

Replies:

Posted By: injpumpEd
Date Posted: 13 May 2019 at 6:46am

Someone pieced 2 tractors together to build one. The "D" is diesel indeed.

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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!

Posted By: dertz19
Date Posted: 14 May 2019 at 10:08am

Thanks for the input! My hunch is that a dealer might have done the switchover, as there aren't tell-tale signs other than the SN.