Bolens H16XL-Eaton 1100 Hydro Transmission

Dave Kay

New User
Does anyone know how and where to get a replacement input shaft for the Eaton 1100 hydrostatic transmission?
The splines on mine are just about gone. I compensated by drilling and tapping the hub assembly for 1/4-20 set screws 90 degrees apart, allowing me to level the hub assembly and give it a little more bite. This temporary fix is just so I can move the tractor to another location.
 
It could be that Bolens has propriety shaft and you might need the Bolens parts number to get correct shaft. I punched up Eaton 1100 and what I saw looked like input and output shaft had woodruff key.
If you do find parts number check out depot parts dot com. They have obsolete dealer inventory. Website says they have lawn and garden as well as ag machinery pats.
 
I have a repair manual for the Eaton 11 but it has no part numbers. The Bolens parts list makes no reference to the input shaft other than the input shaft seal, part number 1724376. I will try the website you suggested but, if push comes to shove, I will purchase a 3/4 bar of tool steel and spend a little time on a lathe and milling machine to make my own. I don't care if it is splined or keyed. It would be no more difficult to bore the Hub assembly to 3/4 and broach a keyway.
 

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