WC stepdown transmission?
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=8747
Printed Date: 19 Jan 2025 at 2:48pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: WC stepdown transmission?
Posted By: Randy(Mo)
Subject: WC stepdown transmission?
Date Posted: 27 Feb 2010 at 9:51pm
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I am in the process of buying several parts WC tractors and one has the box behind the main transmission. The owner said it had a cornpicker on it, which I believe because it still has parts of it on the tractor. He told me it slowed the tractor down for picking corn. My question is what is the extra transmission worth? I will probably sell the whole parts tractor to get a little money back in my checkbook. Or is it best just put it on ebay to the highest bidder? Suggestions or comments all welcome Thanks
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Replies:
Posted By: MNLonnie
Date Posted: 27 Feb 2010 at 11:05pm
One sold on e-bay last fall, I'm not sure on the price but I believe it was around $400.
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Waukesha B, B, IB, G, styled WF, D15, 615 backhoe, 2-Oliver OC3's, 4 Ford Model T's, 3 Model A Fords, AV8 Coupe, AV8 Roadster, 1933 Ford Wrecker
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Posted By: Ron S/IL
Date Posted: 28 Feb 2010 at 6:55am
Randy, what do you want for the tractor? ron
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Ron Stork
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Posted By: MBwcenll
Date Posted: 28 Feb 2010 at 8:04am
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Rich in Rolla Mo showed me several WC's with two transmissions. It is quite simple once you see one. They are used in the Cane fields to reduce ground speed. They are installed in the spot where the manual lift goes and then about a two inch spacer is placed where the frame side rails bolts to the rear axle to make up for the difference in length.
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Posted By: scott
Date Posted: 28 Feb 2010 at 8:26am
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Could such a step down box be fitted to something newer, say a D-17? Was there such a thing as a step-UP box?
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Posted By: MNLonnie
Date Posted: 28 Feb 2010 at 8:32am
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I never had hands on with the one that sold on e-bay but I did call the guy with questions. He claimed it was a 3 position gear box. You have straight thru standard speed and you have step-up and step-down. He said it changed the ground speed 25% either way, which didn't seem like a lot to me, I was thinking 50% would be pretty nice.
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Waukesha B, B, IB, G, styled WF, D15, 615 backhoe, 2-Oliver OC3's, 4 Ford Model T's, 3 Model A Fords, AV8 Coupe, AV8 Roadster, 1933 Ford Wrecker
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Posted By: JC-WI
Date Posted: 28 Feb 2010 at 8:48am
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As fa as I knew, they never had three speeds in that box, you had either a straight thru and stepdown or straight thru and stepup. the center position was nuetral. But maybe they did make a 3 spd but don't think so. Boy that would have been some selection of gears.
We had one that was a step up and dad traded the WC for a WD - to bad the WD's didn't have any options for putting in a stepup tranny. Sure wish we had kept that old WC.
The WD could have used a good road gear and a faster 3rd gear for jobs like raking hay etc.
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Posted By: robby391
Date Posted: 28 Feb 2010 at 10:13am
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I have 1 in my wc pulling tractor. From what i know about this it a 30% reduction. They were used on mounted corn pickers to slow the ground speed down.With the lever pulled back u are in the reduction. In the middle is neutral. and ahead is direct. It works good for me in our open classes. I can run road gear with 15.5 38 tires in the 3000 lbs class.
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Posted By: David Maddux
Date Posted: 28 Feb 2010 at 12:04pm
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The 3 position box ix very rare. The standard with either up or down is more common. I have seen them sell anywhere from 400 to 650.I have the standard with step up for my caravan tractor. I have not checked the speed difference, but those Farmal M's have a lot harder time pulling away from me now.
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Posted By: B26240
Date Posted: 28 Feb 2010 at 1:13pm
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I have a step up in my WF and it is 25% over in high. I had it apart and put new bearings in it and counted the teeth plus turned the shaft with marks on them to find ratio. Makes a big difference in speed. HTH Mark L
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