Rexroth A11VO Series Variable Displacement Pump

Rexroth A11VO Series Hydraulic Plunger Pump is high efficiency, low noise, and variable displacement features in a clean design.
Rexroth A11VO Series Hydraulic Plunger Pump offering high efficiency, low noise, and variable displacement for versatile hydraulic systems.

Description:

Rexroth A11VO series hydraulic pump is appreciated for its compact design, robustness, high pressure capacity, flexibility in control options (mechanical, hydraulic, or electronic), and suitability for demanding environments such as mobile construction machinery, excavators, and other heavy-duty mobile hydraulic equipment.

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Key Features of Rexroth A11VO Series Variable Displacement Pump

  • Variable displacement & flow control: Because the A11VO is variable-displacement, the flow output is continuously adjustable — which offers smooth control, energy efficiency, and adaptability to changing load demands.

  • High pressure & robust performance: With nominal pressure ~350 bar and max pressure up to ~400 bar (or more depending on variant), the pump is suited for heavy-duty mobile and industrial hydraulic systems requiring significant force/torque.

  • Compact and modular design: The variety of sizes (NG 40–260) plus modular control options enables selecting the right pump for space-constrained installations or high-power needs.

  • Flexible control options: Mechanical pressure control, hydraulic/pilot control, or electric proportional control (EP) — offering flexibility depending on application needs.

  • Through-drive capability: Ability to attach additional pumps (gear or axial piston) via through-drive — useful for complex hydraulic systems, multi-circuit applications, or when combining pumps.

  • Designed for mobile and industrial use: The pump is commonly used in mobile machines (construction, earth-moving, excavators) and industrial/hydraulic drive systems, offering reliability under harsh conditions.

 

Parameter / Spec Typical Range / Value*
Sizes (NG / Nominal Size) NG 40, 60, 75, 95, 130, 145, 190, 260
Geometric displacement (Vg max) From ~ 42 cm³/rev (size 40) up to ~ 260 cm³/rev (size 260)
Nominal pressure (p_nom) 350 bar (standard)
Maximum pressure (p_max) Up to 400 bar (some sources list 420 bar)
Maximum speed (at Vg max) Depending on size: e.g. ~3000 rpm (size 40), ~1800 rpm (size 260)
Flow (at Vg max and nominal speed) From ~126 l/min (size 40) up to ~ 468 l/min (size 260)
Power (at Vg max and nominal pressure) Example: ~74 kW (size 40) up to ~273–294 kW (size 260)
Torque (at Vg max and p_nom) Varies by size — higher displacement = higher torque; e.g. hundreds to over 1500 Nm
Flow control Output flow proportional to drive speed and swash-plate angle, variable from zero to max
Control Options Multiple: mechanical (pressure/ load-sensing), hydraulic (pilot), electric proportional (EP), power control (LR), etc.
Through-drive capability The design allows adding gear pumps or additional axial piston pumps up to same nominal size (100% through drive) — useful for multi-circuit or combined hydraulic systems.