Farm Equipment - In a pinch will a D17 engine kit rebuild a WD45?

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In a pinch will a D17 engine kit rebuild a WD45?

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=54762
Printed Date: 11 Sep 2025 at 12:22am
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Topic: In a pinch will a D17 engine kit rebuild a WD45?

Posted By: Roddo
Subject: In a pinch will a D17 engine kit rebuild a WD45?
Date Posted: 05 Aug 2012 at 10:07am

I got a replacement engine for my tractor that blew in the parade. I'm having a tough time getting a hold of an engine kit in a hurry. I want to get this tractor running again for our tractor club plow day on Aug 11. The engine I got has some rusty valves, pretty bad rusting/pitting on two of the liners and a third liner has one big nasty scratch down the spark plug side from the top to the bottom. It may run like that but I'd rather not risk it.

Is a D17 kit close enough to use on a WD45? What, if anything is different about them?
What about the combine engines? Is that the same kit as a WD45?

Thanks in advance!

Replies:

Posted By: DrAllis
Date Posted: 05 Aug 2012 at 10:49am

A D17 piston&sleeve kit will fit in a WD45 block and give it more compression and HP. A complete overhaul kit doesn't have the correct main bearings for a WD45.....most everything else is the same but the main brgs and front and rear seal.

Posted By: PlayGun
Date Posted: 05 Aug 2012 at 12:50pm

Is there an automotive engine that carries the same bearing journals so he could run to NAPA and make it work.

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Hopefully Future AC Man! Ride With Jesus my friends! Lonas

Posted By: DrAllis
Date Posted: 05 Aug 2012 at 1:26pm

No.

Posted By: Jordan(OH)
Date Posted: 05 Aug 2012 at 3:20pm

NAPA can get them.

Posted By: DrAllis
Date Posted: 05 Aug 2012 at 4:01pm

Specifically for a WD45 gas engine, not any car engine, Yes.

Posted By: PlayGun
Date Posted: 05 Aug 2012 at 4:36pm

Good look Doc.

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Hopefully Future AC Man! Ride With Jesus my friends! Lonas