Hydraulic Pump
Rexroth AG
Refurbished
Manufacturer: Brueninghaus Hydromatik GmbH (Now Bosch Rexroth AG)
Country of Origin: Germany
Product Type: Axial Piston Variable Displacement Hydraulic Pump
Series: A4VG Series
Model: A4VG125
Application: Marine Hydraulic Systems, Offshore Equipment, Cranes, Winches, Hydraulic Power Units, Industrial Hydraulic Drives
The A4VG125 Hydraulic Pump is one of the most recognized axial piston variable displacement pumps developed by Brueninghaus Hydromatik, now operating under Bosch Rexroth. This pump is widely used in marine, offshore, industrial, mining, construction, and heavy-duty hydraulic applications where reliable hydraulic power transmission is essential.
Designed for closed-circuit hydrostatic transmission systems, the A4VG125 offers excellent efficiency, precise control, high-pressure performance, and long service life. The pump is capable of handling demanding operational conditions commonly found onboard vessels, offshore platforms, cargo handling equipment, hydraulic cranes, deck machinery, and industrial production systems.
Marine operators and shipowners prefer the A4VG125 due to its proven reliability, availability of spare parts, ease of maintenance, and worldwide technical support network. Its robust construction makes it suitable for continuous operation under harsh marine environmental conditions.
SM MARINE SERVICE™ supplies A4VG125 Hydraulic Pumps as New Equipment, Used Equipment, and Reconditioned Equipment depending on customer requirements and budget.
The A4VG125 is a variable displacement axial piston pump featuring a swashplate design optimized for hydrostatic drives. It operates in closed hydraulic circuits and can automatically adjust flow according to system requirements.
The pump incorporates advanced hydraulic control technology, allowing precise regulation of displacement and output flow. This contributes to improved fuel efficiency, reduced energy consumption, and enhanced operational performance.
The A4VG125 is commonly installed in:
The modular design enables easier maintenance and replacement of internal components. Spare parts and overhaul kits are widely available, making long-term ownership economical for vessel operators.
SM MARINE SERVICE™ frequently supports customers requiring A4VG125 pumps, spare parts, repair services, and complete overhaul solutions.
The A4VG125 provides substantial hydraulic power output while maintaining a compact footprint. This characteristic is particularly beneficial in marine installations where space limitations are common.
The variable displacement mechanism automatically adjusts flow requirements according to operational demand. This improves overall hydraulic system efficiency and reduces energy losses.
The pump is engineered to operate under demanding pressure conditions required by heavy-duty hydraulic systems. This capability makes it suitable for marine cranes, offshore equipment, and industrial machinery.
Marine environments expose hydraulic equipment to vibration, humidity, temperature fluctuations, and continuous operation. The A4VG125 is designed to withstand these challenges while maintaining dependable performance.
Maintenance procedures are simplified through modular construction and readily available spare parts. Components such as bearings, pistons, cylinder blocks, seals, and control units can be serviced or replaced efficiently.
When properly maintained, the A4VG125 provides extended operational life, minimizing vessel downtime and reducing maintenance costs.
| Parameter | Specification |
|---|---|
| Manufacturer | Brueninghaus Hydromatik / Bosch Rexroth |
| Model | A4VG125 |
| Pump Type | Axial Piston Variable Pump |
| Circuit Type | Closed Circuit |
| Design | Swashplate Design |
| Displacement | 125 cm³/rev |
| Application | Hydrostatic Drive Systems |
| Mounting Position | Various Installation Positions |
| Control Options | Hydraulic, Electric, Mechanical |
| Cooling Method | Hydraulic Fluid Cooling |
| Industry | Marine, Offshore, Industrial |
| Spare Parts Availability | Worldwide |
Specifications may vary according to exact model code and configuration.
The A4VG125 Hydraulic Pump is used across a wide range of vessel types and industrial sectors.
Supports deck cranes, cargo handling systems, hydraulic power units, and container securing equipment.
Used in hatch cover systems, deck machinery, and cargo handling equipment.
Installed in cargo handling systems and hydraulic auxiliary equipment.
Provides reliable hydraulic power for specialized cargo operations and auxiliary systems.
Supports hydraulic control systems and deck machinery requiring dependable performance.
Used in hydraulic cargo handling and marine auxiliary systems.
Commonly found in offshore cranes, lifting systems, and subsea support equipment.
Applied in hydraulic service systems and specialized machinery.
Provides precise hydraulic control for scientific and operational equipment.
Used in winches, net handling systems, and deck machinery.
The A4VG125 often operates alongside marine automation systems, engine monitoring systems, radar systems, ECDIS, AIS, GPS, gyro compass systems, satellite compass equipment, GMDSS stations, Navtex receivers, Inmarsat communication equipment, VDR systems, boiler control systems, and fire alarm systems.
SM MARINE SERVICE™ provides sourcing and supply support for:
We can source genuine, OEM, aftermarket, and reconditioned spare parts depending on customer requirements and budget.
SM MARINE SERVICE™ provides complete support for:
Our engineering team supports marine and offshore customers requiring urgent hydraulic equipment assistance.
Official Bosch Rexroth documentation and technical resources can typically be obtained from:
Available documents may include:
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 and budget.
We provide worldwide supply, sourcing, repair, calibration, technical support and spare parts services for marine automation, navigation, communication and marine electronic systems.
Website : https://www.smmarineservice.com
Email : info@smmarineservice.com
WhatsApp and Viber : +8801818929292
Marketing Contact: Nazmul Hasan Bhuiyan
Mobile WhatsApp and Viber : +8801730296909
The Brueninghaus Hydromatik A4VG125 Hydraulic Pump, now supported under Bosch Rexroth, remains one of the most trusted hydraulic pumps used in marine, offshore, and industrial hydraulic systems worldwide. Its proven reliability, efficient variable displacement technology, high-pressure capability, and long operational life make it a preferred solution for shipowners, operators, and marine engineers.
For A4VG125 Hydraulic Pumps, spare parts, repair kits, overhaul services, troubleshooting support, technical documentation, new units, used units, and reconditioned equipment, contact SM MARINE SERVICE™. Our global sourcing capability, technical expertise, and marine industry experience enable us to support customers worldwide with reliable solutions and competitive pricing.
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Marine Equipment Supplier