445 PTO shaft

garr806 · Feb 5, 2019

I split the 445 tractor to replace the clutch, pressure plate and throw out bearing. Found out that my PTO shaft splines are bad. How hard is it to replace the shaft and all I need to do to replace the shaft? Thanks in advance for your time.

T.R.K. · Feb 5, 2019

Is that in a diesel? They tend to be hard on the splines in the clutch area-the engine knocking and all.

If those splines are that bad I would think the adapter in the flywheel is pretty much done too. I am thinking it was softer than the shaft. Someone will correct me if I am wrong.

I am thinking that you can pull that shaft out the back after the hydraulic pump and all the shaft coupplers are removed. I only did it on a Big Mo 400 and it had a non-standard pump on it.

garr806 · Feb 5, 2019

Gas, and the splines in the engine are really good

JK2 · Feb 5, 2019

I have a 5 Star that the PTO shaft looked about like that 30 or 40 years ago & it is still running. I did put some very good moly grease on it long ago & it didn't look any worse a couple years ago than it did when I first saw it.

ChrisQ · Feb 5, 2019

I would consider those splines worn severe enough to replace. When buying a used shaft, 50% splines remaining will probably be as good as you will find. To remove the shaft, you must remove the hydraulic unit, disassemble the PTO clutch, remove the hydraulic pump, then remove the shaft out the back of the tractor.

R.D.F. · Feb 6, 2019

Call us @920 295 3278, we've seen lots of those, a lot of questions to be addressed about this shaft, Dale

cornerpost · Feb 20, 2019

Have to ask what you are using tractor for. Believe some places build them up.

garr806 · Feb 20, 2019

I would be using toa 3pt 2 row planter and PTO for mowing.

445 PTO shaft

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