Hydraulic Power Pack · Deck Machinery Hydraulics
A 55 kW marine hydraulic power unit (HPU) from Eaton Vickers that combines a vane‑type pump with piston motor drive, supplying oil under pressure for deck machinery such as winches and windlasses. As a Hydraulic Power Pack, it is normally installed near deck machinery or in a hydraulic machinery space with reservoir, pumps, filters, valves and control equipment. In that role, its primary purpose is to supply pressurized hydraulic oil to winches, cranes, ramps or other deck machinery. Compared with self-contained electric machinery, a hydraulic power pack separates the prime mover and pump from remote actuators and therefore depends heavily on oil cleanliness and hose integrity. Power: 55 kW; capacity: 20-300 L/min @ 200 bar. For exact ratings, dimensions, settings, capacities, materials and variant-specific limits, refer to the manufacturer documentation for the exact figure.
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Eaton/Vickers — widely used on deck machinery. Check vane pump performance annually. Replace tank breather filters.
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