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PTO Pulley

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okiecub51
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Posts: 72
Joined: Wed Sep 18, 2013 8:13 pm
Zip Code: 73456
Tractors Owned: 1951 Ford 8N
1951 Farmall Cub
1944 John Deere B
Location: Ringling, OK

PTO Pulley

Postby okiecub51 » Wed Jul 09, 2014 9:12 am

hello All, I have a question about the PTO pulley on my 1951 FCub. I bought it with a international c2 rotary mower attached. It appears that the belt pulley on the back of the tractor is for the cub sickle mower. Could this cause a problem using a smaller pulley? Thanks

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John *.?-!.* cub owner
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Joined: Sun Feb 02, 2003 2:09 pm
Zip Code: 63664
Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
Location: Mo, Potosi

Re: PTO Pulley

Postby John *.?-!.* cub owner » Wed Jul 09, 2014 9:20 am

The 4 inch sickle mower pulley will result in the mower running slower and not cutting grass as well as it should, especially if it is a little heavy. As I recall, the proper pulley for the C2 is an 8 inch.
If you are not part of the solution,
you are part of the problem!!!

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Mike in Louisiana
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Zip Code: 71023
Circle of Safety: Y
Location: LA, Doyline

Re: PTO Pulley

Postby Mike in Louisiana » Wed Jul 09, 2014 9:25 am

A few of the members have the opposite problem. Maybe you can swap with someone.
1975 cub (LouAnn) serial # 245946, 1941 John Deere Model H

Good judgment comes from experience,
and a lot of that comes from bad judgment. Will Rogers

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SONNY
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Re: PTO Pulley

Postby SONNY » Sun Jul 13, 2014 9:27 am

It will still mow,---just have to make sure the blades are kept razor sharp. thanks; sonny

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SONNY
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Re: PTO Pulley

Postby SONNY » Tue Jul 15, 2014 9:50 pm

my p ulley is 6.5" dia. for the 59 mower , the sickle I have has a 4.5" pulley
The pto speed on mine tops out at 1,250 rpm---add the 6.5" drive pulley and left outer blade speed is right at 2,250 +or- a few revs.

The Farmall A has a 10" pulley and the AC -B tractor that I walked past has a *" all running Woods 59 mowers .----the first cub that I had came with a big pulley and I changed it for a small one to get more power! thanks; sonny

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John *.?-!.* cub owner
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Posts: 23701
Joined: Sun Feb 02, 2003 2:09 pm
Zip Code: 63664
Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
Location: Mo, Potosi

Re: PTO Pulley

Postby John *.?-!.* cub owner » Wed Jul 16, 2014 9:21 am

Sonny, assuming you are referring to a cub, the pto pulley should top out at 1800rpm, same speed as engine, since it couples directly to the shaft from the clutch to the transmission. Of course, an A would be considerably slower.
If you are not part of the solution,
you are part of the problem!!!


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