Axial Piston Variable Pump
KC-A4VSO Series is a 100% Direct Replacement for Rexroth A4VSO Series hydraulic pumps, offering the following key advantages:
Seamless Compatibility: Direct replacement without system modifications, significantly reducing costs and downtime.
Warranty Assurance: Comes with a 12-month warranty, matching OEM reliability standards.
High Performance:KC-A4VSO is a variable displacement axial piston pump with high operating pressure capability (up to 350 bar), excellent flow controllability, and reliable performance under heavy-duty conditions. It features compact design, low noise emission, and efficient power conversion, suitable for dynamic hydraulic systems.
Wide Applicability: industrial machinery (injection molding machines, presses), construction equipment (excavators, loaders), agricultural machinery (harvesters, tractors), and marine/offshore hydraulic systems requiring stable, high-pressure fluid supply.
Specific Model & Advantages
KC-A4VSO40/KC-A4VSO71/KC-A4VSO125/KC-A4VSO180/KC-A4VS0250/KC-A4VSO335
100% Interchangeable Replacement | For Rexroth A4VSO40/A4VSO71/A4VSO125/A4VSO180/A4VS0250/A4VSO335
Rexroth A4VSO is a high - performance variable displacement axial piston pump, boasting excellent high - pressure resistance (up to 350 bar), precise flow control, compact structure, low noise, and reliable operation in heavy - duty scenarios; notably, the KC - A4VSO can be a full replacement for it, matching its performance indicators, installation dimensions, and interface standards to ensure seamless integration into existing hydraulic systems.
Technical Data
| Type | Displacementcm³/rev | Operating pressureup to bar | Peakpressure bar | Max speedRmp | Shaft Type | Control Method |
| A4VSO40 | 40 | 350 | 400 | 3200 | Metrickey, Metric spline | DR, LR, EP, DRG, LUDV |
| A4VSO71 | 71 | 350 | 400 | 2700 | Metrickey, Metric spline | DR, LR, EP, DRG, LUDV |
| A4VSO125 | 125 | 350 | 400 | 2200 | Metrickey, Metricspline, SAE spline | DR, LR, EP, DRG, LUDV |
| A4VSO180 | 180 | 350 | 400 | 2100 | Metrickey, Metricspline, SAE spline | DR, LR, EP, DRG, LUDV |
| A4VSO250 | 250 | 350 | 400 | 1800 | Metrickey, Metricspline, SAE spline | DR, LR, EP, DRG, LUDV |
| A4VSO335 | 335 | 350 | 400 | 1600 | Metrickey, Metricspline, SAE spline | DR, LR, EP, DRG, LUDV |
Applications
Construction: Excavators (Komatsu PC200-8, Caterpillar 320D), wheel loaders (Volvo L120H)
Agriculture: Tractors (John Deere 8R 410), combine harvesters (Claas Lexion 770)
Industry: Injection molding machines (Haitian MA3800), hydraulic presses (Schuler SMG 200)
Mining: Dump trucks (BelAZ 75710), rock drills (Atlas Copco ROC D7)
Marine: Ship cranes (Liebherr BOS 450), hydraulic steering systems (Wärtsilä WHS 300)