Hynautic standard helm units combine one or two bi-directional axial piston pumps with pilot check and makeup check valving. The result is a unit which prevents rudder feedback, is very efficient (even at low r.p.m.) and is immediately adaptable to multi-station use. For boats up to 70 feet.

10-H21: 1" straight shaft

10-H25: 3/4" tapered shaft

10-H42: 3/4" tapered shaft

10-H41: 1" straight shaft