Cub Z Force 48 Crank Key way

[Glyn Robinson]

What size is the key way that goes into the crank shaft for the PTO? Someone told me they could be standard or metric. It's one inch long. It has a Kholer engine

 

[Hammermechanicman]

Most crankshafts take standard 1/4" key. They can usually be gotten at a hardware store.

 

[Glyn Robinson]

thank you