Used Sumitomo S M Hedcon CB175 K-R-Y   Ratio 9.75 this is from a now closed factory that kept spare parts on the shelf Has some dust from sitting  input motor shaft dia. 1-7/8" out put shaft dia. 3-1/2"

Ratio 9.75
Model CB175 K-R-Y
Serial No.A638074

[Please Look at all the pictures they are part of the description]