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jrbynf 
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Joined: 01 Jun 2021
Location: Kansas City
Points: 55
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 Topic: Drop axles
Posted: 05 Jul 2023 at 2:37pm |
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Been searching and I have not found a good answer regarding why Allis chalmers wc/wd through 185 used rear drop axles vs traditional straight axles. I’m sure this is a complicated answer but from an engineering standpoint what are the advantages/disadvantages/Allis’s reasoning here. Thank you all
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DanielW
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Joined: 19 Sep 2022
Location: Ontario
Points: 188
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Posted: 05 Jul 2023 at 2:52pm |
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I've heard a few reasons. My thinking has always been because putting the large bull gear/final drive outboard means the long half-shaft has to take a lot less torque (it's low torque/high speed, unlike straight shafts which are high torque/low speed). Only the short/stubby axle shaft down-stream of the final drives has to take the high torque.
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JoeM(GA)
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Joined: 12 Sep 2009
Location: Cumming,GA
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Posted: 05 Jul 2023 at 3:02pm |
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buys you more ground clearance too
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Allis Express North Georgia
41 WC,48 UC Cane,7-G's,
Ford 345C TLB
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Allis dave
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Joined: 10 May 2012
Location: Northern IN
Points: 2991
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Posted: 05 Jul 2023 at 4:08pm |
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Better ground clearance for cultivating with the smaller 28" tires?
Allis seems sensitive to cultivating since they have the seats offset to the side for a good view of a front mount cultivator
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Leon B MO
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Joined: 12 Sep 2009
Location: Old Monroe, Mo
Points: 2179
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Posted: 05 Jul 2023 at 7:40pm |
The UC (U Cultivator) was the first Allis to use that style final drive. Doc has had many posts here supporting the advantage of this design. You could cultivate a crop 3 feet tall, and back then, corn was check planted and cultivated crossways multiple times. No herbicides. Having said that, I couldn't imagine pulling into 20 acre field with a mid mount 2 row cultivator, no power steering, hand brakes and a mechanical lift that only worked if the tractor was movng forward. Leon B MO
Edited by Leon B MO - 05 Jul 2023 at 7:41pm
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Uncle always said "Fill the back of the shovel and the front will take care of itself".
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jiminnd
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Joined: 16 Sep 2009
Location: Rutland ND
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Posted: 05 Jul 2023 at 9:23pm |
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Cultivated a lot of corn with a WC and 2 row, lots of sleepless nights after working all day with that.
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1945 C, 1949 WF and WD, 1981 185, 1982 8030, unknown D14(nonrunner)
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WF owner
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Joined: 12 May 2013
Location: Bombay NY
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Posted: 06 Jul 2023 at 6:56am |
 jiminnd wrote:
Cultivated a lot of corn with a WC and 2 row, lots of sleepless nights after working all day with that. |
...and don't look back when cultivating! I tore out a few feet of corn doing that. Dad would say "I told you not to look back when you were cultivating".
Memories!!! (I didn't say good memories!)
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
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Posted: 06 Jul 2023 at 1:01pm |
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Leon it's all about perspective.....if you'd walked behind horses for days to cultivate what the crude tractor could accomplish in a day,you'd be grinning driving the tractor and thinking how wonderful it was.
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WF owner
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Location: Bombay NY
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Posted: 06 Jul 2023 at 1:21pm |
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I remember the first tractor I drove with power steering. I thought it could never get any better than that!
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PaulB
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Location: Rocky Ridge Md
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Posted: 07 Jul 2023 at 6:37am |
Leon B MO wrote:
Having said that, I couldn't imagine pulling into 20 acre field with a mid mount 2 row cultivator, no power steering, hand brakes and a mechanical lift that only worked if the tractor was movng forward. Leon B MO |
Like IPTOs, Live hydraulics, Power shift transmissions, Cabs with Heat & AC. It was what we had and were grateful to have. As a youngster that was all we did after the corn got a couple inches tall until it was too tall to get through except when making hay. There's now at least a couple of generations that don't have any experience with cultivating all summer and if you told them they had to ride a non cab tractor all day at a creep, you'd never hear the end of the whining.
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If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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Ted J
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Posted: 09 Jul 2023 at 9:02pm |
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AMEN Paul. I was one of those that were thankful to leave the horses in the barn and sit on a tractor! Problem was when you fell asleep.....tore out a few rows of corn, for which I got a royal chewing out. I missed the horses at first, but as time went on and you didn't have to feed, water, curry or put all that harness on, I got over it. It was a lot easier putting in gas, oil and greasing and other upkeep.
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"Allis-Express"
19?? WC / 1941 C / 1952 CA / 1956 WD45 / 1957 WD45 / 1958 D-17
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