4020 R&P in a 4010 March 16, 2018 07:23AM
Picked up a 4010 that I am going to swap the final drives out with on my 4430 which will leave the 4010 super slow. What does it take to put a 4020 R&P in the 4010 rear end? I have heard it takes a little modification - what exactly is required? Just a little clearancing with an angle grinder or does it take some machine work?

Thanks
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Re: 4020 R&P in a 4010 March 16, 2018 10:57AM
If you are not using stock gears on 4020 differential shaft, it can be installed after the 4020 pinion shaft rear bearing journal is sized for the 4010 bearing, I used a 4230 shaft and did not have to alter the front of shaft other than install a spacer.
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Re: 4020 R&P in a 4010 March 16, 2018 01:12PM
The front bearing is a different size. You have to cut about an inch off the 4020 pinion shaft. Not sure what you want to do with it but pto gears will not work.
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Re: 4020 R&P in a 4010 March 17, 2018 01:56AM
Quote
Sandcreek
The front bearing is a different size. You have to cut about an inch off the 4020 pinion shaft. Not sure what you want to do with it but pto gears will not work.

So I need to shorten the pinion and turn it down to 4010 size for the bearing to fit or just find a different bearing that has the correct ID and OD?

As for the PTO, this tractor actually came from the factory without PTO...
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