TROLLEY DESIGNS READY FOR INSTALLATION MPW (Multi Purpose Winch) open winch trolleys are precisely designed to meet the customer's specific requirements. MPW open winch trolleys feature: Modular design Few connection interfaces (drum, gearbox, motor and brake form a unit) Proven trolley wheel block design used in our crane end carriages Supplied as complete assembly Rugged construction Engineering excellence Few connection interfaces (drum, gearbox, motor and brake form a unit) Modular design enables flexible engineering Trolley frame of welded steel provides torsionally rigid design Proven low maintenance travel wheels used in our crane end carriages Reliable operation Detailed function check prior to shipment Designed for ease of maintenance Elimination of unnecessary interface connections reduces field start-up time