Rexroth A10VO axial piston hydraulic pump for the CIFA Engineering Equipment 39865 243110 K1039224 R902481074
- Product Details
- Product Model
- FAQ
The A10VO is an open-circuit, swashplate-design axial piston pump with variable displacement. Inside, a rotating cylinder block holds pistons that slide against a tilted plate. Changing the swashplate angle changes the stroke of the pistons, and therefore how much oil the pump delivers per revolution.
The practical benefit is that the pump supplies only the flow the machine needs. A fixed-displacement gear pump pushes full flow all the time and dumps the surplus as heat. A variable pump backs off, which saves fuel and keeps oil temperatures down.
Where the A10VO Fits in CIFA Equipment
Concrete machinery splits its hydraulics into distinct jobs, and different pump types suit each one.
Concrete pumping circuit vs. auxiliary circuits
On many concrete pumps, the main pumping circuit is a high-flow, high-pressure system, often built around a closed-circuit pump. The A10VO is more commonly found in the supporting open circuits. Verify this for your specific model.
Agitator and hopper drives: moderate, steady flow
Boom and outrigger functions: load-sensing or pressure-compensated demand
Cooling and oil-circulation circuits: continuous but low-to-moderate flow
Mixer drum and auxiliary drives: variable demand depending on load
Example: boom control on a truck-mounted pump
Imagine a CIFA boom pump unfolding on a crowded urban site. The operator moves one boom section slowly, then stops. With a load-sensing A10VO, the pump produces only enough flow for that slow movement and holds standby pressure when the boom is idle. The result is smoother control, less heat and lower fuel burn than a fixed-flow setup.
Example: agitator drive under varying load
The hopper agitator works hardest when the concrete is stiff, or the mix has been sitting. A pressure-compensated pump holds a consistent pressure ceiling while flow adapts, protecting the drive from shock loads.
Choosing the Right A10VO Configuration
1. Displacement (size)
Displacement, in cm³ per revolution, sets your maximum flow at a given engine or PTO speed. Undersizing starves the circuit. Oversizing wastes cost and adds drive torque. Match the original size unless an engineer has re-specified the circuit.
2. Control type
The control is the pump's brain, and the wrong one will cause problems even if everything else matches. Common types include:
DR: pressure control, which caps system pressure
DFR / DFR1: pressure plus flow control, often used for load-sensing duty
LA-type controls: power or torque limiting, useful where the drive has limited horsepower
Electrohydraulic controls (e.g., ED/ER): for machines with electronic management
3. Rotation direction
Viewed from the shaft end, the pump rotates either clockwise or counterclockwise. A pump installed against its rated rotation can fail within minutes. Check the nameplate.
4. Shaft, flange and port configuration
Spline count, flange pattern and port positions determine whether it physically bolts in. Even a "correct" pump with the wrong port orientation can mean new hoses and downtime.
5. Seals and fluid compatibility
Standard seals suit mineral hydraulic oil. If your machine runs biodegradable or fire-resistant fluid, specify compatible seals.
For more brands and equipment models, please visit https://www.baolilaihydraulic.com/brand/
| Application equipment brands | Application equipment No. |
| CIFA | 39865 |
| CIFA | 243110 |
| CIFA | K1039224 |
| CIFA | R902481074 |
Q1: Why is my new pump noisy right after installation?
A1: Check for air in the suction line, a low oil level, a restricted strainer, or the wrong rotation direction. Also confirm the case was filled before start-up.
Q2: What information do I need to order the right pump?
A2: The full type code and material number from the nameplate, the machine model and serial number, and any details about through-drive or control settings.
Q3: What is the price and delivery time of the A10VO hydraulic pump for CIFA Engineering Equipment?
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 CIFA Engineering Equipment?
A4: You can visit https://www.baolilaihydraulic.com/contact/ to contact us and purchase our products through various methods.
