Looks like Koller have an electric winch hauler in the design portfolio.
https://www.kollergmbh.com/en/yarder/kx-800e
Probably inspired by the Swiss (Kuhn Group) electric dump truck that fully recharges on a down slope loaded haul.
and something more mainstream.
https://www.kollergmbh.com/en/yarder/kx304
https://www.kollergmbh.com/en/yarder/kx-800e
Probably inspired by the Swiss (Kuhn Group) electric dump truck that fully recharges on a down slope loaded haul.
and something more mainstream.
https://www.kollergmbh.com/en/yarder/kx304