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Tranmission speeds of a 1943 WC

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Barry

12-20-2000 19:20:13




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Was wanting to know if the WC's had two differnt tranmissions a high speed or a low speed or was they all the same or did they change the speeds in the final drive?




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Duane P

01-01-2001 22:43:12




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 Re: Tranmission speeds of a 1943 WC in reply to Barry, 12-20-2000 19:20:13  

Forgot your question on the final drives, gettinq senile I suppose. WC all have the same ratio final drives.



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Duane P

01-01-2001 22:36:59




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 Re: Tranmission speeds of a 1943 WC in reply to Barry, 12-20-2000 19:20:13  

Dont know about the 43wc,but the 1937 WC is faster in low gear than any other WC ever built. Any body know why? The RC has a slower speed ring and pinion than the WC and you are right that the RC does not have the straddle mount rear bearing on the pinion as the WC does. this same ring and pinion was avalable for the WC under the name of cotton picker or corn picker ring and pinion. The extra rear bearing can be put on the RC and is included on the pinion shaft for these gears when they are put in the WC. The 37WC has the same ratio dif. gears as all others. Have never owned a 43, but is it possible the have the same quirk (fast low gear) as the 37. I am sure you would know if you had the 2 speed rearend. They replaced the axle disconect and I dont think they were made by Sherman I think they were made by AC. They were avalable in 2 versions, overdrive and direct, or underdrive and direct. Nother good question, where does the square steel WC axle come from? Have heard it is a leftover from the Sherman tank where it had planitarys instead of final drives. Is this true? While on the subject of rearends, why starting about 39 did AC start adding a hole in the back of the rearend houseing and then make a plug to put in it. Didnt think factories made changes without a good reason. What is the reason for this added process to this casting? .

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GeneD14

12-22-2000 04:54:58




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 Re: Tranmission speeds of a 1943 WC in reply to Barry, 12-20-2000 19:20:13  
Alot of WC's had an aftermarket Sherman step up gearbox mounted right behind the transmission. This gave the tractor a higher road speed. In the low range the drive train was in direct drive like normal. But in high range it would allow the tractor to go a few miles per hour faster.



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Tom

12-21-2000 16:43:53




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 Re: Tranmission speeds of a 1943 WC in reply to Barry, 12-20-2000 19:20:13  
I believe that RCs had lower gears, I don't know what was done to get the lower ratios though. A WC and RC are basically the same except for the engine. I think the RC pinion gear had only a single row bearing not a double row as in the WC rear end. Maybe someone else will have more details.



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