Farm Equipment - 170-175 Diesel Engine?

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170-175 Diesel Engine?

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=196927
Printed Date: 12 Nov 2024 at 10:08am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: 170-175 Diesel Engine?

Posted By: Bill Deppe/AC Salvag
Subject: 170-175 Diesel Engine?
Date Posted: 29 Aug 2023 at 11:09pm

Have a 4 cylinder Perkins diesel engine, what determines the cubic size?

Replies:

Posted By: DrAllis
Date Posted: 30 Aug 2023 at 6:27am

Look in the alternator area and see if there are numbers stamped on the block just above the alternator. if it says 248U xxxx it is a 248. If there are numbers stamped on the left side of the block above the injection pump, it could be either 236 or 248 I think. This is according to an owners manual.

Posted By: tbran
Date Posted: 30 Aug 2023 at 9:21pm

on the MF Perkins the 248 has bolts on the edge of the tappet cover and the 236 are in the middle. The 236 or 248 is on the intake tag. Same cubic inches different engine. AC use the industrial engine. Much tougher - but a devil to overhaul.

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