Engine brands that support PTO clutches as below:

Caterpillar: Used in industrial, marine, and construction applications with PTO clutches from companies like Logan Clutch.
Cummins: Popular in marine and industrial applications, many Cummins diesel engines are compatible with front-mount PTOs.
Detroit Diesel: These engines frequently use PTO systems to transfer power to auxiliary systems in marine and industrial settings.
Deutz: These engines are used with PTO clutches in a variety of industrial applications.
John Deere: Common in agricultural and industrial equipment, many John Deere engines can be fitted with PTO clutches.