WD 45 Diesel Starter Wont Engage Ring Gear
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=91540
Printed Date: 08 Sep 2025 at 5:07am
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Topic: WD 45 Diesel Starter Wont Engage Ring Gear
Posted By: Barney
Subject: WD 45 Diesel Starter Wont Engage Ring Gear
Date Posted: 25 Jun 2014 at 10:07am
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May be long winded. But here's the story. Have a WD 45 Diesel. Cousin had it for years. Did a lot of work on it. Looks good. It's back on my grandparents dairy farm where I grew up. They died several years ago. We live there now. Engine has been gone thru, rebuilt pump. Runs perfect. Problem is the starter wont engage onto the ring gear on the flywheel. Pulled the starter. The starter gear comes out all the way when I give it power. Starter gears look like new. Ring gear is not chewed up at all. I'm guessing the wrong ring rear was put on when it was apart. Maybe I'm missing something simple. Only have to tow it a couple feet to start it. So no big deal. Any suggestions? Thanks.
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Replies:
Posted By: pohlman249
Date Posted: 25 Jun 2014 at 11:32am
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Mark a tooth and start rolling it over counting the teeth. Doubt it is that if it started before though. Does the over running clutch and everything spin free and snap back?
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Posted By: BennyLumpkin
Date Posted: 25 Jun 2014 at 1:03pm
Mine does that sometimes. ...the bendix isn't full engaging
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Central PA Allis Express
1934 WC254
1945 WF
1945 WC135755
1951 WD68085
1953 WD45-150217
1957 WD45D-230744D
B110
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Posted By: Barney
Date Posted: 25 Jun 2014 at 4:44pm
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Everything spins out all the way and goes right back. It looks like the ring gear is below where the starter gear comes out. Need to measure inside there. Engine was rebuilt. Then put back in by a couple old farmers. Maybe they used a ring gear from a gas WD. No big deal to tow it. But still think I'm missing something simple.
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Posted By: Don(MO)
Date Posted: 25 Jun 2014 at 5:27pm
The ring gear on the WD/WD45 gas tractors used the same gear as the WD45 Diesel tractors all had 100 tooth.
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3 WD45's with power steering,G,D15 fork lift,D19, W-Speed Patrol, "A" Gleaner with a 330 corn head,"66" combine,roto-baler, and lots of Snap Coupler implements to make them work for their keep.
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Posted By: MACK
Date Posted: 25 Jun 2014 at 9:56pm
Posted By: Barney
Date Posted: 26 Jun 2014 at 6:48am
Thanks Mack. Answers that question.
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Posted By: Jasonillinois
Date Posted: 26 Jun 2014 at 7:19am
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Same ring gear on a wd45d as a gas but in a different location if I understand correctly. I wanted to put a diesel starter on my gas and was told I would either have to move the ring gear or find a diesel one.
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