BOSCH REXROTH HYDRAULIC POWER UNIT (HPU)

Marine HPU | Deck Machinery HPU | Hatch Cover HPU | Windlass HPU | Mooring HPU | Crane HPU

BOSCH REXROTH HYDRAULIC POWER UNIT (HPU)

Bosch Rexroth is one of the world's most recognized hydraulic technology manufacturers. Bosch Rexroth Hydraulic Power Units (HPUs) are widely installed onboard merchant vessels, offshore vessels, bulk carriers, container ships, tankers, heavy-lift vessels, dredgers, and offshore platforms.

A Bosch Rexroth Hydraulic Power Unit serves as the central hydraulic power source for numerous shipboard systems, providing reliable pressure and flow control for critical marine operations.

SM MARINE SERVICE™ supplies New Equipment, Reconditioned Equipment, Spare Parts, Technical Support, Repair, and Overhaul services for Bosch Rexroth Hydraulic Power Units worldwide.

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Marine Hydraulic Power Unit (HPU)

Marine HPUs generate hydraulic pressure for operating deck machinery, steering systems, cargo handling equipment, and offshore hydraulic systems.

Main Components

• Bosch Rexroth Hydraulic Pumps
• Bosch Rexroth Hydraulic Motors
• Oil Reservoir Tank
• Accumulator System
• Hydraulic Control Valves
• Pressure Relief Valves
• Filters
• Oil Coolers
• Pressure Gauges
• Electrical Control Panel

Bosch Rexroth systems are known for reliability, efficiency, and long service life in harsh marine environments.

SM MARINE SERVICE™ supports complete supply and repair solutions for Bosch Rexroth marine hydraulic equipment.

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Bosch Rexroth Deck Machinery HPU

Deck machinery requires stable hydraulic pressure for continuous operation.

Typical applications include:

• Cargo Winches
• Capstans
• Mooring Winches
• Anchor Windlasses
• Towing Winches

Advantages

• High Efficiency
• Continuous Duty Operation
• Compact Design
• Reliable Hydraulic Control
• Reduced Maintenance Costs

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Bosch Rexroth Hatch Cover HPU

Hatch cover hydraulic systems are commonly found on bulk carriers and cargo vessels.

Functions

• Opening Hatch Covers
• Closing Hatch Covers
• Hydraulic Locking Systems
• Folding Hatch Cover Operation
• Hydraulic Cylinder Control

Common Components

• Rexroth Hydraulic Pumps
• Hydraulic Cylinders
• Solenoid Valves
• Control Manifolds
• Pressure Relief Valves

SM MARINE SERVICE™ supplies hydraulic cylinders, pumps, valves, seal kits, and spare parts for hatch cover systems.

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Bosch Rexroth Windlass HPU

Windlass hydraulic systems are essential for anchor handling operations.

Main Functions

• Anchor Deployment
• Anchor Retrieval
• Chain Tension Control
• Emergency Anchor Operations

Benefits

• High Torque Output
• Smooth Control
• Heavy Duty Construction
• Reliable Performance

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Bosch Rexroth Mooring Winch HPU

Mooring operations demand powerful and reliable hydraulic systems.

Applications

• Mooring Winches
• Tension Winches
• Rope Handling Systems
• Wire Rope Reels
• Offshore Mooring Equipment

Key Features

• High Load Capacity
• Stable Hydraulic Pressure
• Fast Response
• Long Service Life

Bosch Rexroth hydraulic technology is widely used in offshore mooring systems due to its reliability and precision control.

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Bosch Rexroth Crane HPU

Marine cranes rely heavily on hydraulic power for lifting operations.

Powered Functions

• Hoisting
• Luffing
• Slewing
• Telescopic Boom Extension
• Winch Drive Operation

Common Rexroth Equipment

• A4VG Series Hydraulic Pumps
• A10VSO Series Pumps
• A11VO Series Pumps
• A6VM Series Motors
• A2FM Series Motors
• MCR Radial Motors
• Hydraulic Control Valves

SM MARINE SERVICE™ provides repair and replacement solutions for Bosch Rexroth crane hydraulic systems.

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Common Bosch Rexroth Hydraulic Pumps Used in HPU Systems

A4VG Series

Variable displacement axial piston pumps widely used in deck machinery and cranes.

A4VSO Series

High-performance open-circuit hydraulic pumps.

A10VSO Series

Reliable marine hydraulic pump for continuous-duty operation.

A11VO Series

Heavy-duty hydraulic pump commonly found in offshore systems.

A20VO Series

High-capacity pump for demanding hydraulic applications.

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Bosch Rexroth Hydraulic Motors Used in Marine HPU Systems

A6VM Series

Variable displacement hydraulic motor.

A2FM Series

Fixed displacement bent-axis hydraulic motor.

A2FE Series

Integrated motor for compact hydraulic drives.

MCR Series

Radial piston motor for heavy-duty applications.

Hägglunds Series

High-torque hydraulic drive system for offshore and marine machinery.

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Common Problems and Troubleshooting

Low Hydraulic Pressure

Possible Causes:

• Pump Wear
• Valve Leakage
• Internal Leakage
• Filter Blockage

Excessive Oil Temperature

Possible Causes:

• Cooler Failure
• Contaminated Oil
• Overloaded System

Hydraulic Pump Noise

Possible Causes:

• Air Ingress
• Low Oil Level
• Cavitation

Slow Equipment Operation

Possible Causes:

• Pump Efficiency Loss
• Hydraulic Leakage
• Control Valve Failure

SM MARINE SERVICE™ provides troubleshooting, inspection, repair, and overhaul services for Bosch Rexroth hydraulic systems.

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Maintenance Recommendations

To maximize service life:

• Monitor Oil Condition
• Replace Filters Regularly
• Inspect Hydraulic Hoses
• Test Relief Valves
• Check Accumulator Pressure
• Monitor Operating Temperature
• Inspect Electrical Controls
• Perform Scheduled Overhauls

Preventive maintenance greatly reduces vessel downtime and repair costs.

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Why Bosch Rexroth Hydraulic Systems Are Popular in Marine Industry

Bosch Rexroth hydraulic systems are trusted worldwide because of:

• High Reliability
• Excellent Efficiency
• Long Operational Life
• Global Spare Parts Availability
• Proven Offshore Performance
• Advanced Hydraulic Control Technology

Many shipowners continue operating Bosch Rexroth hydraulic equipment successfully for decades through proper maintenance and timely overhaul.

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Frequently Asked Questions

What is a Bosch Rexroth Hydraulic Power Unit?

A hydraulic power generation system that supplies pressurized oil to marine hydraulic equipment and deck machinery.

Which ship equipment uses Bosch Rexroth HPU?

Deck cranes, hatch covers, windlasses, mooring winches, cargo winches, offshore cranes, and other hydraulic systems.

Can Bosch Rexroth HPUs be repaired?

Yes. Pumps, motors, valves, cylinders, and power units can be repaired, overhauled, and tested.

Does SM MARINE SERVICE™ supply Bosch Rexroth spare parts?

Yes. We supply genuine, OEM-equivalent, used, and reconditioned Bosch Rexroth equipment and spare parts.

Do you provide worldwide support?

Yes. We provide worldwide supply, sourcing, repair, overhaul, calibration, and technical support.

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Short Product Description

Bosch Rexroth Hydraulic Power Units (HPU) are advanced hydraulic power systems designed for marine and offshore applications including deck machinery, hatch covers, windlasses, mooring winches, and cranes. These systems provide reliable hydraulic power, precise control, and long-term operational performance. SM MARINE SERVICE™ offers complete supply, repair, overhaul, spare parts, and technical support services for Bosch Rexroth Hydraulic Power Units worldwide.

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SM MARINE SERVICE™

Bangladesh Office
Samir Market, DT Road, Pahartali, Beside CDA Market, Chattogram, Bangladesh

China Warehouse and Support Center
Shanghai, China

SM MARINE SERVICE™ supplies both New Equipment and Reconditioned Equipment depending on customer requirements.

Services:

• Marine Hydraulic Equipment Supply
• Bosch Rexroth Hydraulic Pump Repair
• Hydraulic Motor Repair
• Hydraulic Power Unit Overhaul
• Spare Parts Supply
• Calibration Services
• Troubleshooting Support
• Worldwide Shipping

Website: www.smmarineservice.com

Email: info@smmarineservice.com

Marketing Contact: Nazmul Hasan Bhuiyan

SM MARINE SERVICE™ – Global Marine Hydraulic Equipment, Spare Parts, Repair, Calibration, and Technical Support Partner.

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