Hydraulic Power Pack
medium
Hydraulic power units for deck machinery operation
Known Models (3)
Bosch Rexroth Marine HPU
50-500 L/min @ 250 bar
· 75.0 kW
· Hydraulic Oil
· Axial Piston HPU
medium: Hydraulic Oil
power_kw: 75
type: Axial Piston HPU
Common Failures:
- • Piston pump swashplate wear
- • Proportional valve contamination
- • Oil cooler fouling
- • Accumulator precharge loss
Service: Oil cleanliness class ISO 4406 18/16/13 minimum. Filter change every 2000 hrs. Oil sampling every 6 months.
Spares: Ersatzteile über Bosch Rexroth oder zugelassene Vertriebspartner. Lead time: 2-6 Wochen.
Eaton (Vickers) Marine HPU
20-300 L/min @ 200 bar
· 55.0 kW
· Hydraulic Oil
· Vane/Piston HPU
medium: Hydraulic Oil
power_kw: 55
type: Vane/Piston HPU
Common Failures:
- • Vane pump wear
- • Directional valve solenoid burnout
- • Tank level switch failure
- • Motor coupling damage
Service: Eaton/Vickers — widely used on deck machinery. Check vane pump performance annually. Replace tank breather filters.
Spares: Ersatzteile über Eaton (Vickers) oder zugelassene Vertriebspartner. Lead time: 2-6 Wochen.
Parker Hannifin Marine HPU
30-400 L/min @ 350 bar
· 110.0 kW
· Hydraulic Oil
· Axial Piston HPU
medium: Hydraulic Oil
power_kw: 110
type: Axial Piston HPU
Common Failures:
- • Pump shaft seal leakage
- • Pressure relief valve drift
- • Suction strainer blockage
- • Cooling circuit fouling
Service: Parker PV-series pumps. Maintain oil cleanliness. Replace return-line filter elements every 1500 hrs.
Spares: Ersatzteile über Parker Hannifin oder zugelassene Vertriebspartner. Lead time: 2-6 Wochen.