Rexroth A10VO swashplate hydraulic pump for the Claas tractor 00321001 05833050 05851430 05851431 05964501 2001544 5030461
- Product Details
- Product Model
- FAQ
The A10VO is a variable-displacement axial piston pump in a swashplate design, built for open-circuit hydraulic systems. In an open circuit, the pump draws oil from a reservoir and delivers it to the system, and the oil then returns to the tank.
How the A10VO Fits Into Claas Tractor Hydraulics
Load-Sensing Hydraulics
Most current Claas tractors with high-capacity hydraulics use a load-sensing (LS) architecture. The valve blocks signal the pump with the pressure they actually need. The pump then adjusts its swashplate angle to hold a set pressure margin above that load signal.
The Rexroth A10VO family supports this with control options such as:
DR: pressure control that limits maximum system pressure
DFR / DFR1: pressure and flow control, the typical load-sensing choice
DFLR: DFR plus power (torque) limiting
LA-type controls: power limiting for machines where engine protection matters
The control code in your pump's type designation matters a lot, because a pump with the wrong controller can fit mechanically and still misbehave.
Common Failure Modes and What Causes Them
1. Contamination
This is the leading killer of piston pumps. Particles score the valve plate, cylinder block, and slippers. Rexroth typically calls for a cleanliness level around ISO 4406 20/18/15 or better. Tractors that skip filter changes or have careless hose handling pay for it here.
2. Cavitation and Aeration
Air or vapor bubbles in the suction line collapse violently inside the pump and erode surfaces. Common causes:
Restricted suction filter or strainer
Cold, thick oil
Loose or cracked suction hose
Low oil level
3. Overheating
Sustained high temperatures thin the oil, accelerate seal wear, and reduce lubrication of critical surfaces. Check the cooler, oil level, and any relief valve running continuously.
4. Excessive Case Drain Flow
Every piston pump has some internal leakage that exits through the case drain. A rising case drain flow is one of the clearest signs of internal wear, and mechanics use it as a diagnostic test.
5. Control Valve Problems
A stuck or contaminated compensator can cause pressure spikes, low flow, or hunting (an unstable pressure oscillation). Sometimes cleaning or replacing the control valve is enough, and the pump body is fine.
For more brands and equipment models, please visit https://www.baolilaihydraulic.com/brand/
| Application equipment brands | Application equipment No. |
| Claas | 00321001 |
| Claas | 038073.0 |
| Claas | 0581 836.0 |
| Claas | 05833050 Xerion |
| Claas | 05851430 |
| Claas | 05851431 |
| Claas | 05964501 |
| Claas | 2001544 T ArgoK70 |
| Claas | 5030461 Xerion |
Q1: Can I fit any A10VO pump to my Claas tractor?
A1: No. Displacement, control type, rotation, shaft, flange, and port configuration all have to match. Use the part number from the existing pump or Claas parts data.
Q2: What are the signs the pump is failing?
A2: Slow implement response, loss of pressure, overheating, abnormal noise, metal particles in the oil, and increased case drain flow.
Q3: What is the price and delivery time of the A10VO hydraulic pump for the Claas tractor?
A3: The specific price and delivery time will depend on the equipment model or specific product model you provide.
Q4: How to purchase an A10VO hydraulic pump for the Claas tractor?
A4: Visit https://www.baolilaihydraulic.com/contact/ to contact us and purchase our products through various methods.
