Farmall 100 flat belt pulley drive install

RDJ Farms

Member
I have a flat belt pulley drive assembly that I need to install on my 100 Farmall to be able to run a sugar cane mill. Is installing it as simple as removing the rear cover that is over the pto and bolting it up? Someone told me I will need the drive shaft that goes into the transmission and some shims that spaces the gear box to the trans.
 
First remove the plate to get a better idea of what you have then you can look for rest.
Shouldnt be that hard to find it.
 
If your tractor has a PTO on it, the shaft is already there under the bowl shaped cover. I always tell anyone that is looking for one of the belt pulley attachements for these tractors to get the gear that goes on the tractor shaft when they buy the pulley unit. If your tractor came from the factory without the pulley, likely there is only a spacer on the shaft where the gear that drives the pulley assembly goes. If you don't have the gear, you will have to find one. Pull the cover off and see what you have. Also, you will need shims to set the gear lash. These go between the belt pulley housing and the PTO housing. With the cover on there, there is just a gasket, but with the belt pulley, there is an O ring rather than the gasket so there is metal to metal contact and the gear lash can be properly set. So...I think you will need some more parts before you can put the belt pulley gear box on there.
 
If you remove and replace the transmission (PTO Bull Shaft) drive, be sure you read up on the method before you do. It is easy to get out but can be tough to reinstall. I think that the PTO has to be engaged to assure proper alignment when you reinstall. When I did this on a Super C I did not have the PTO engaged and I was afraid I would have to remove the deck to align the shaft. I got lucky. Someone else might know the correct method to avoid a lot of trouble.
 

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