WD45 stuck in reverse
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=210151
Printed Date: 10 Apr 2026 at 10:23am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: WD45 stuck in reverse
Posted By: Jgranat
Subject: WD45 stuck in reverse
Date Posted: 21 Feb 2026 at 5:04pm
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I can't say it any better, feels like the shifter does nothing,tractor runs fine but can't select a forward gear. It will back up so it seems like only one gear is engaged, how bad is this to fix?
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Replies:
Posted By: dr p
Date Posted: 21 Feb 2026 at 5:55pm
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It may not be a big deal. I would pull the tower and look at the wear on the ball on of the shifter.
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Posted By: steve(ill)
Date Posted: 21 Feb 2026 at 6:33pm
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watch this movie...
https://www.youtube.com/watch?v=A6s2cQm5u00" rel="nofollow - https://www.youtube.com/watch?v=A6s2cQm5u00
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Like them all, but love the "B"s.
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Posted By: DrAllis
Date Posted: 21 Feb 2026 at 8:04pm
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That's a great video. For a novice repairman, he caught on pretty quickly as to what the problem was.
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Posted By: Jgranat
Date Posted: 22 Feb 2026 at 6:15am
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Thank you Steve, excellent video for sure. I think getting the shift lever out I should be able to find a forward gear and drive it into the shop. I was worried it may have been worse, that isn't too bad.
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Posted By: DrAllis
Date Posted: 22 Feb 2026 at 7:07am
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That's kind of how it begins. The one time you get in a little bit of a hurry to shift gears, and the tip of the shift lever will become disjointed, due to worn parts. Not just one part, but five. The tip of the shift lever is number 1. The square slots for each of the three shifter lugs down inside are number 2. The bottom of the gear shift pivot ball is number 3. The socket for the ball in the shift cover is number 4. And lastly, the square pins, their holes and grooves that keep the gear shift lever from twisting in the socket is number 5. All these areas wear a little bit each and every time the tractor is shifted in or out of gear. When the D-17 came out, the engineers must have heard enough negative feedback from Dealers/customers to address these areas, because you just don't ever work on D-series and newer. The parts were improved for near zero wear in these areas. In the WD-series the change made from the straight stick to the easy to reach curved stick actually created a problem, as many of you know, due to twisting of the lever. That's when the square head pivot pins were now available oversized and they went from one pin on the left to twin pins, one on each side. Good luck figuring out which area is worn and causing issues on yours. Chances are if you get the shift lever back in place, careful and cautious gear changing will get you by for a while yet, especially if this was the first time for failure.
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Posted By: Gary Burnett
Date Posted: 22 Feb 2026 at 7:12am
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Also when changing gears do not push up on the end of the shifter hold it firmly and put a little down pressure on it
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Posted By: Jgranat
Date Posted: 22 Feb 2026 at 7:39am
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Thank you all for the advice. This tractor is relatively new to me, as in I got it from a relative who fixed nothing. I repaired a hole in the oil pan caused by #2 connecting rod suddenly becoming 3 pieces on him. I fixed all of that and put some paint on her, am enjoying getting some work out of it but finding other things along the way that were also never fixed, relatively speaking. It has been a ride and slowly becoming a reliable part of our farm. I will post back to let everyone know what I find once I look deeper.
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Posted By: Sugarmaker
Date Posted: 22 Feb 2026 at 10:09am
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Joe, Yes they can be very worn in the shifter areas. I had to rework the WD45 twice. I think I finally got it. The worn ball and socket area is not a easy fix. I did some serious Jerry rigging in that area!:) Regards, Chris and Cheryl
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D17 1958 (NFE), WD45 1954 (NFE), WD 1952 (NFE), WD 1950 (WFE), Allis F-40 forklift, Allis CA, Allis D14, Ford Jubilee, Many IH Cub Cadets, 32 Ford Dump, 65 Comet, 66 F100.
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Posted By: rtwfarm
Date Posted: 22 Feb 2026 at 3:57pm
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Just have Ted in Iowa rebuild it. The makes them better than new
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Posted By: Jgranat
Date Posted: 22 Feb 2026 at 4:39pm
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I just finished making it operational again and I am quite sure it is in my wheel house to fix it properly once it gets to the front of the line of projects. We are making huge payments on next year's heating bill with the chainsaw and I needed it yesterday and today as my crew was home from school. I had to wake up the Ford 4000 diesel to bale me out. I will have it hooked to a flat wagon next time we roll to the woods. Thanks again for everyone's encouragement and advice. My late Uncle owned this tractor, I drove one for another late Uncle to rake hay, always wanted one.
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