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Case 4020 transaxle problems


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#1 Dfp8705 OFFLINE  

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Posted December 03, 2017 - 10:46 PM

Hi my name is Duwayne and I've recently received a 4020ps that was my grand fathers. He bought it new when he was alive and it has around 500 hours on it. I was using it a few weeks ago and noticed that the gears were skipping so I opened up the transaxle and I've found gears just ate up. I can find some parts but I'm having a hard time finding at the gears. Is there someone out there that may have the gears or an idea where to get the parts. The gears I need are c36901 and c12552. Also any tips or other parts that I would need would be greatly appreciated. Thank you

#2 Alc ONLINE  

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Posted December 04, 2017 - 06:25 AM

Welcome to GTTalk !  You might find what you need at one of the Site Sponsors , good luck



#3 glgrumpy OFFLINE  

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Posted December 04, 2017 - 08:07 AM

Not sure what model is??   I would think changing the whole rear would be much easier to do. Those should be easy to find would think. Sponsors here or on ebay and other places.



#4 Dfp8705 OFFLINE  

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Posted December 04, 2017 - 09:53 AM

Sorry it is a 4020ps with the Onan engine. 1998 model year. I'm trying to keep costs down instead of replacing the whole rear end. I've looked for about a year for a loaner tractor around here but they are very hard to come by.

#5 ssmewing OFFLINE  

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Posted December 04, 2017 - 10:00 AM

That is a almost unheard of problem. My thoughts are establishing why they got stripped. That is the first thing.

But, having said that, buying a new rear-end is far more smart than repairing the one you have. The rear ends are all the same except that the very late model ones had a different low range ratio. That is a minor issue. The assembly can be freely swapped.

They are often sold as an assembly, sometimes with the drive motor. Prices range $1-200. Buying an assembly negates needing to know why the other one failed.

#6 Dfp8705 OFFLINE  

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Posted December 04, 2017 - 10:50 AM

Ok. Thank you. So like the cluster gear which is the one I'm having a hard time finding would work from any other case? Does it matter if its a 446 because I found one for that. I believe it for stripped due to a person using it that I don't know that had it before me after my grandpa passed and I believe he didn't have it in gear all the way due to the gear only being chewed up on one side. I'm assuming anyways but I like the idea of an entire swap

#7 Dfp8705 OFFLINE  

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Posted December 04, 2017 - 12:01 PM

I found a transaxle for a 3000 series would those gears be able to be removed and used in my housing or would I have to use the entire housing?

#8 gopher OFFLINE  

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Posted December 04, 2017 - 05:20 PM

As far as I know only the axles and drive motor are different. If you use the 3000 series you have to change the drive motor and axles or go with 12 inch wheels. As said above gears same.



#9 Dfp8705 OFFLINE  

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Posted December 04, 2017 - 05:44 PM

Thank you for your help. I found a transaxle from a 3000 series I'm grabbing up and stripping the gears out to rebuild my 4020. Thank you all for your help

#10 dropped82 ONLINE  

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Posted December 04, 2017 - 06:12 PM

Where abouts in IL are you. I have a few extra rears. They're earlier models but should swap fine. Case/Ingersoll didn't change much though the years.

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#11 Dfp8705 OFFLINE  

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Posted December 04, 2017 - 11:17 PM

I'm in Rockford. Northern part about an hour and half west of Chicago

#12 dropped82 ONLINE  

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Posted December 05, 2017 - 09:00 PM

Got your PM

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