Introduction

Bosch Rexroth hydraulic pumps are among the most widely used hydraulic pumps in the marine industry. Their high efficiency, precise control, compact design, and long service life make them the preferred choice for shipowners, offshore operators, shipyards, and hydraulic equipment manufacturers worldwide.

These pumps are commonly installed in deck crane hydraulic systems, hatch cover hydraulic systems, mooring winch hydraulic systems, windlass hydraulic systems, offshore lifting equipment, and hydraulic power units.

SM MARINE SERVICE™ supplies Bosch Rexroth hydraulic pumps, spare parts, repair services, overhaul solutions, and technical support worldwide.

---

Bosch Rexroth A4VG Series Hydraulic Pumps

The A4VG Series is one of the most popular closed-loop hydrostatic transmission pumps manufactured by Bosch Rexroth.

Key Features

• Variable displacement design
• Closed circuit operation
• High pressure capability
• Excellent efficiency
• Compact construction
• Long service life

Marine Applications

• Mooring Winch Systems
• Windlass Systems
• Deck Crane Systems
• Offshore Winches
• Hydraulic Drive Systems

SM MARINE SERVICE™ regularly supports vessels equipped with Bosch Rexroth A4VG pumps.

---

Bosch Rexroth A4VSO Series Hydraulic Pumps

The A4VSO Series is a variable displacement pump designed for open-circuit hydraulic systems.

Advantages

• Low noise operation
• High volumetric efficiency
• Long operating life
• Stable pressure output
• Excellent reliability

Common Applications

• Hydraulic Power Units
• Hatch Cover Systems
• Deck Machinery
• Industrial Hydraulic Systems

---

Bosch Rexroth A10VSO Series Hydraulic Pumps

The A10VSO Series is one of the most frequently installed Bosch Rexroth pumps in marine hydraulic systems.

Benefits

• Compact design
• High efficiency
• Easy maintenance
• Excellent reliability
• Worldwide spare parts availability

Typical Marine Use

• Hydraulic Power Packs
• Deck Cranes
• Cargo Handling Systems
• Offshore Hydraulic Equipment

SM MARINE SERVICE™ provides repair and overhaul support for A10VSO hydraulic pumps.

---

Bosch Rexroth A11VO Series Hydraulic Pumps

The A11VO Series is designed for heavy-duty hydraulic applications requiring high power output and continuous operation.

Features

• High operating pressure
• Robust construction
• Long service intervals
• Excellent durability

Applications

• Offshore Platforms
• Marine Cranes
• Hydraulic Drives
• Heavy Cargo Handling Systems

---

Bosch Rexroth A7VO Series Hydraulic Pumps

The A7VO Series is known for its durability and excellent performance under demanding operating conditions.

Common Uses

• Marine Hydraulic Power Units
• Cargo Equipment
• Hydraulic Machinery
• Deck Equipment

---

Bosch Rexroth AA4VG Series Hydraulic Pumps

The AA4VG Series is widely used in hydrostatic transmission systems requiring high efficiency and precise control.

Features

• Enhanced control response
• High efficiency
• Smooth performance
• Reliable operation

---

Bosch Rexroth A15VSO Series Hydraulic Pumps

The A15VSO Series offers improved pressure performance and efficient operation in demanding hydraulic applications.

Applications

• Hydraulic Power Units
• Marine Deck Machinery
• Offshore Hydraulic Systems

---

Bosch Rexroth A20VO Series Hydraulic Pumps

The A20VO Series is designed for large hydraulic installations requiring substantial flow and pressure.

Typical Applications

• Offshore Equipment
• Heavy Hydraulic Systems
• Cargo Handling Equipment
• Industrial Hydraulic Stations

---

Bosch Rexroth A10VO Series Hydraulic Pumps

The A10VO Series is a highly reliable pump family commonly found in marine and industrial hydraulic systems.

Benefits

• Proven design
• Long operating life
• Easy maintenance
• Reliable performance

---

Common Marine Applications

Deck Crane Hydraulic Systems

Bosch Rexroth pumps provide hydraulic power for hoisting, luffing, and slewing operations.

Mooring Winch Hydraulic Systems

Provide high torque and reliable operation during mooring operations.

Windlass Hydraulic Systems

Power anchor handling and anchor recovery systems.

Hatch Cover Hydraulic Systems

Supply hydraulic pressure to cylinders and locking systems.

Hydraulic Power Units (HPU)

Serve as the primary hydraulic power source for many marine systems.

SM MARINE SERVICE™ frequently supports all of these marine hydraulic applications.

---

Common Spare Parts

Typical Bosch Rexroth pump spare parts include:

• Cylinder Blocks
• Pistons
• Valve Plates
• Swash Plates
• Bearings
• Drive Shafts
• Seal Kits
• Servo Pistons
• Pressure Compensators
• Control Valves
• Repair Kits
• Overhaul Kits

---

Common Troubleshooting

Low Pressure

Possible Causes:

• Internal wear
• Relief valve malfunction
• Oil leakage
• Low oil level

Excessive Noise

Possible Causes:

• Cavitation
• Air ingress
• Bearing damage

Overheating

Possible Causes:

• Contaminated oil
• Excessive load
• Cooling problems

Reduced Flow

Possible Causes:

• Worn pistons
• Damaged valve plate
• Control system issues

---

Maintenance Recommendations

• Regular oil analysis
• Periodic filter replacement
• Seal inspection
• Bearing inspection
• Pressure testing
• Leakage monitoring
• Performance verification

Proper maintenance significantly extends pump service life.

---

Frequently Asked Questions

What are the most common Bosch Rexroth marine pumps?

A4VG, A4VSO, A10VSO, and A11VO Series are among the most common marine hydraulic pumps.

Can Bosch Rexroth pumps be repaired?

Yes. Most pumps can be repaired, overhauled, and reconditioned.

Are spare parts available?

Yes. Individual spare parts and complete overhaul kits are available.

Are manuals available?

User manuals, service manuals, and spare parts catalogs are available depending on the model.

---

User Manuals and Technical Resources

Available Documentation:

• User Manual
• Service Manual
• Workshop Manual
• Spare Parts Catalog
• Repair Manual
• Troubleshooting Guide
• Hydraulic Circuit Diagram

Available upon request based on model number and serial number.

---

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:

• Worldwide Supply
• Hydraulic Pump Repair
• Hydraulic Pump Overhaul
• Spare Parts Supply
• Technical Support
• Hydraulic System Troubleshooting
• Marine Equipment Inspection
• Hydraulic System Upgrades

Website: www.smmarineservice.com

Email: info@smmarineservice.com

WhatsApp: +8801819376291

Marketing Contact: Nazmul Hasan Bhuiyan

SM MARINE SERVICE™ is your trusted worldwide supplier and technical partner for Bosch Rexroth hydraulic pumps, spare parts, repairs, overhauls, and complete marine hydraulic solutions.

-

+

Buy Now