A4VSO71EO1/30L-PPB25N00 Rexroth Hydraulic Pump for Mining Vessels (Made in

The A4VSO71EO1/30L-PPB25N00 is an axial piston variable displacement pump from the Rexroth A4VSO Series 30, manufactured in Germany, and designed for open-circuit hydrostatic drives on mining vessels and offshore support ships. It uses a swash plate design where output flow is proportional to drive speed and displacement, with stepless adjustment via swash plate angle.

The EO1 control is an electro-proportional displacement control: an external analog signal (typically 0-10 V, ±10 V, or 4-20 mA via a proportional amplifier) sets the swash plate angle and therefore the pump flow, allowing the vessel's PLC or DP (dynamic positioning) controller to schedule winch, crane, conveyor, and hatch flows precisely. Rated at 350 bar nominal / 400 bar peak, it is built for continuous duty under seawater corrosion risk, vibration, and wide temperature swings typical of marine mining operations.

• A4VSO - Axial piston variable pump, open circuit, swash plate design
• 71 - Nominal displacement 71 cm³/rev
• EO1 - Electro-proportional displacement control
• 30 - Series 30 construction
• L - Left-hand rotation
• PPB25N00 - P: NBR+FKM seals; P: parallel key shaft; B: ISO 4-bolt flange; 25: SAE side-offset ports with B1 plugged; N00: no through-drive / no aux pump

• Made in Germany - Rexroth German production; original label, test sheet, and COO available on request.
• EO1 Remote Flow Command - Flow set by 0-10 V / ±10 V / 4-20 mA; integrates with vessel PLC/DP system.
• Mining-Vessel Ready - Short control response, excellent suction characteristics, low noise, robust bearings for shock/vibration cycles.
• 350 bar Continuous Duty - Hardened cylinder block, heavy-duty roller bearings, optimized port geometry for 24/7 marine operation.
• Swash Plate Variable Displacement - Infinitely variable flow, visual swivel angle indicator included.
• PPB25N00 SAE Side Ports - B1 opposite pressure port plugged with blank flange; simplifies hose routing in tight engine-room layouts.
• Through-Drive Body (N00 base) - Base variant without tandem shaft; same-size tandem pumps available under other suffixes.

Mining vessels (seabed nodule collectors, offshore mineral handling ships, DP-class support vessels) require:

• Precise electronic flow split between anchor winches, A-frame cranes, conveyor feeders, and hatch covers
• High pressure (350 bar) with variable flow to reduce prime-mover throttling and heat generation
• Left-hand rotation (L) matched to specific gearbox input orientation on popular marine drivelines
• PPB25N00 SAE side ports for straightforward hose routing in tight engine compartments
• German-origin reliability for long voyages where onboard spare strategy is limited

• Marine & Offshore - Anchor winches, deck cranes, steering gears, offshore platform hydraulic stations
• Mining & Material Handling - Crusher hydraulics, conveyor drives, mining loader power packs
• Industrial Automation - Test benches, CNC flow-programmed cells, press feeding systems
• Heavy Machinery - Injection molding machines, rubber vulcanizers, large press lines

• Origin: Sourced from Rexroth Germany production channels; pre-shipment pressure/flow/leak test performed.
• Export Packaging: Fumigation-free wooden crate, VCI anti-rust film, corner protectors.
• Documentation: Commercial Invoice, Packing List, Certificate of Origin, factory test report.
• Warranty: 12 months against manufacturing defects.

We export genuine A4VSO71EO1/30L-PPB25N00 - Made in Germany worldwide. Active sales/export coverage includes:

• Europe: Germany, France, Italy, Spain, United Kingdom, Netherlands, Belgium, Switzerland, Austria, Poland, Czech Republic, Turkey, Sweden, Finland, Norway, Greece
• Asia-Pacific: China, India, Japan, South Korea, Malaysia, Thailand, Vietnam, Indonesia, Singapore, Australia, New Zealand
• Americas: United States, Canada, Mexico, Brazil, Argentina, Chile, Colombia, Peru
• Middle East: UAE, Saudi Arabia, Qatar, Kuwait, Oman, Israel
• Africa: South Africa, Egypt, Nigeria, Kenya, Morocco, Mauritania
• Marine Hubs: Singapore, Rotterdam, Antwerp, Dubai, Houston, Busan, Shanghai, Qingdao

Incoterms: EXW / FOB / CIF / DDP
Freight: DHL/FedEx/UPS for single-unit urgent orders; LCL/FCL sea for project batches. Full export docs provided.