Farm Equipment - Engine block question

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Engine block question

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=156892
Printed Date: 30 Oct 2025 at 11:37am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: Engine block question

Posted By: Colt1986
Subject: Engine block question
Date Posted: 02 Jan 2019 at 4:40pm

Are a D17 and WD45 block interchangeable.Can I put a WD45 crank and pistons into a D17 block and sleeves?

Replies:

Posted By: WF owner
Date Posted: 02 Jan 2019 at 4:47pm

No. Crankshaft and bearings are different size.

Posted By: SteveM C/IL
Date Posted: 03 Jan 2019 at 12:03am

Rods and sleeves will interchange but D17 has larger main journals so the cranks are different even though they are same stroke.

Posted By: tadams(OH)
Date Posted: 03 Jan 2019 at 2:08pm

I think the cams are different size too

Posted By: DrAllis
Date Posted: 03 Jan 2019 at 3:06pm

Camshaft journal and bushing sizes are the SAME.