The hoist is a Model HP12-13G Planetary reduction with automatic spring applied to the multi-wet-disc brake and grooved hoist drum. Twin double-acting hydraulic cylinders with integral holding valves provide elevation from 0° to 80° and mechanical boom angle indicator. Two (2) position low profile and quick reeve design with two metallic sheaves mounted on tapered roller bearings and quick removable pin-type rope guards. The three-section full power boom reaches up to 12.2 m (40 ft) and has a max. Grove YB4415 has a maximum lift capacity is 8.1 metric tons (9 US tons) on outriggers. There are two models within the series - Grove YB4415 and Grove YB4415XT Grove YB4415 crane series by Manitowoc is an industrial carry deck crane, with a longer reach and higher capacity than any other cranes in its class.
Grove YB4415 Crane Series LOAD CHART AND SPECS - Carry deck CRANES