There used to be hundreds of these hay loaders in the Southwest.
The winch is a car differential (often shortened) run by a small engine or truck PTO. One side has the brake operated by a rope. The other side has a winch drum.
Hay Boom Demonstration - YouTube
Castillon Bros. Hay Wagon # 33 - YouTube
Antelope Valley fair Hay Booming ventage #2 - YouTube
Probably some more videos alongside those above.
Bruce
The winch is a car differential (often shortened) run by a small engine or truck PTO. One side has the brake operated by a rope. The other side has a winch drum.
Hay Boom Demonstration - YouTube
Castillon Bros. Hay Wagon # 33 - YouTube
Antelope Valley fair Hay Booming ventage #2 - YouTube
Probably some more videos alongside those above.
Bruce