US Patent 10462971 Hydraulic cotton unit drum drive

A cotton harvester with a hydraulic manifold and at least one hydraulic motor mechanically coupled to a drum and fluidly coupled to the hydraulic manifold, the hydraulic motor configured to selectively rotate the drum. Wherein, the hydraulic manifold is configured to selectively provide any one of a braking force and a torque to the drum through the at least one hydraulic motor.