vintage Hein-Werner Hydro-Unit hydraulic pump 15A62. For Sale

From a local business close out, this item is new with box. During the mid-20th century, Hein-Werner manufactured these specialized "Hydro-Unit" hydraulic kits to add hydraulic lift capabilities to older garden tractors and agricultural machinery. Correct Technical SpecificationsBrand / Manufacturer: Hein-Werner Corporation (originally based out of Waukesha, Wisconsin)Product Line: Hydro-UnitModel No: 15A62Serial No: 45321 [1] Uses & ContextThese self-contained hydraulic assemblies—which integrated the pump, valves, and fluid reservoir into a single compact, rugged red cast-iron housing—were popular aftermarket or factory-optional additions. They were frequently mounted onto classic vintage garden tractors (such as older Wheel Horse or similar mid-century models) to effortlessly operate heavy attachments like drawbars, mid-mount mowers, or rear tillers. [1] [2]