WD Tranny gear swap
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=7543
Printed Date: 17 Jan 2025 at 10:59pm
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Topic: WD Tranny gear swap
Posted By: Carl(NWWI)
Subject: WD Tranny gear swap
Date Posted: 02 Feb 2010 at 3:59pm
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I would like to replace 2nd gear for a gear thats a tooth smaller than first. how many teeth did first and second gears have on a WD. what specs do i need for getting some made. after getting the right gears made, whats involved in switching them out?
Thanks, Carl
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Replies:
Posted By: CTuckerNWIL
Date Posted: 02 Feb 2010 at 4:06pm
What are you wanting this swap to do for you? To change any gear, you'll have to change the one it drives also. If you take both gears out and bring them to a reputable gear cutting outfit, they would be able to fix you up if your pockets are deep enough. $$$ If you want a slower gear it might be cheaper to by a set of RC differential gears.
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Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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Posted By: Carl(NWWI)
Date Posted: 02 Feb 2010 at 4:21pm
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i want to swap because in 5500lbs i lose power, were in 4500lbs first gear is perfect, so if i go a tooth smaller i wont power out as quickly
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Posted By: AaronSEIA
Date Posted: 02 Feb 2010 at 4:37pm
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You don't need different gears, you just need more power:)
Aaron SEIA
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Posted By: Carl(NWWI)
Date Posted: 02 Feb 2010 at 4:51pm
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haha, yeah i know, but new gears will be cheaper..i'd rather have more power.lol
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Posted By: CTuckerNWIL
Date Posted: 03 Feb 2010 at 4:23pm
Arouond here a WC or WD needs stroked to even think about competeing in 5000lbs class. Like maybe 400cu in's. So the cheapest route would be to find a set of RC gears to put in.
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http://www.ae-ta.com" rel="nofollow - http://www.ae-ta.com
Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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Posted By: Gary in da UP
Date Posted: 03 Feb 2010 at 6:14pm
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Carl, with a little work you should easily get down to 3500, and pull up to 4500 , stock, but 4500 you need to have a good running stock engine. If you want to pull heavier in stock class's you need a D17 for 4500 and up. What are your class rules?, what Div. ? I pulled a stock WD45 for a few years and 5,000 was its practical limit at 3.5 mph and 18" drawbar with 14.9 x28 un cut tires. Occasionally I pulled in other places against Div. 2 tractors with topcuts, and won some . But for 5500 div 2 or 3 you need more power and way more tire.
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Posted By: Mike NEIN
Date Posted: 03 Feb 2010 at 7:05pm
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Hey Carl, if you put a ring & pinion in out of a wd-45 gas that should be about right.
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Posted By: Carl(NWWI)
Date Posted: 03 Feb 2010 at 7:09pm
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no one has 3500 around here. i already have the gleaner E with flat top 1/8 over pistons, a pulling carb and plenty of RPM. just need the power to last long in 5500, thats why i want dif gears
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Posted By: Allis Fields
Date Posted: 03 Feb 2010 at 7:16pm
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I sent you a privet message with what you can do and what I have for sale or know of whats for sale.
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