The front clutch is made by Pitt Industries in Carrollton TX.
Kubota #70090-00104
Pitts Clutch #1142621
Phone #1-972-247-2971
Contact Name Hugh Brooks
My grandson broke his clutch. I called all over USA for a replacement clutch. Kubota discontinued it. Found out Pitt Industries made that clutch for Kubota. They built me one and sent to me.
A used one was 2X the price of the new one.
Am a happy camper got a new clutch can mow again.