Help Identify PTO Pulley

RTR

Well-known Member
Does this pulley fit an Allis Chalmers or a Farmall? I bought it at a sale where there were some Allis Chalmers G tractors and some Farmall Super A and Cub tractors. I don't see many markings on the pulley. Just trying to figure out what it is for.

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Pretty sure it is not AC or IHC, long time
ago we had a Cub with a Woods belly mower
and the belt drive pulley clamped on the
PTO shaft in a similar manner but been too
long to remember the details.
 
Thats not a PTO pulley. PTO is 6 splines or 21 for the 1,000 rpm version. No idea what that is off of, but it's not anything I've ever seen on an AC.
AaronSEIA
 
Thats not a PTO pulley. PTO is 6 splines or 21 for the 1,000 rpm version. No idea what that is off of, but it's not anything I've ever seen on an AC.
AaronSEIA
 
The Cub PTO is an odd ball in every respect. Diameter, number of splines and to top it off it even runs backwards.
 
Looks like the splines are shot. Looks like the pulley my neighbor
had on his Cub PTO. A Cub PTO is not the standard size.
 
That look like the PTO pulley made for the Farmall cub tractor. There PTO is a fine spline and the PTO also turns backwards of other tractors.
 
That is in fat a PTO pulley but it is for a Farmall Cub the cub has an odd ball fine spline pulley made just to fit the Cub and the Cub PTO also spines backwards of other tractor PTOs
 

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