Home / Products / Hydraulic Pump / Piston Pump / AA10VO28ED72/31L-VSC12N00P Axial Piston Variable Pump A10VO AA10VO28ED72 A10VO10/18/28/45/71/74/100/140

R902501721 ALA10VO71DFLR/31R-VSC92N00 Axial Piston Variable Pump A10VO Series 31 A10VO A10VO45 A10VO74

AA10VO28ED72/31L-VSC12N00P Axial Piston Variable Pump A10VO AA10VO28ED72 A10VO10/18/28/45/71/74/100/140

AA10VO Series 31 Axial Piston Variable Pump

Warranty: 12 Months just like OEM Pump
Mark: SENHENGYUAN Hydraulics
Short Lead Time, Prompt Delivery

Wechat:+86 188-7629-1732

Whatsapp:+86 188-7629-1732

E: wise@fjzhenyuan.com

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Product Description

AA10VO Series 31 Axial Piston Variable Pumps Product Description
The AA10VO Series 31 axial piston variable pumps are a versatile lineup of high-performance hydraulic components, engineered to deliver reliable fluid power for a broad spectrum of industrial and mobile applications. This series includes a full range of displacement models— A10VO10, A10VO18, A10VO28, A10VO45, A10VO71, A10VO74, A10VO100, and A10VO140—with the AA10VO28ED72/31L-VSC12N00P (paired with component part number R902561612) standing out as a compact, efficient solution for medium-load hydraulic systems.
At the heart of the AA10VO28ED72 variant lies an advanced variable displacement mechanism, which allows precise adjustment of output flow to match real-time system demands. This intelligent design minimizes energy waste by avoiding unnecessary power output, while maintaining stable pressure levels even under fluctuating load conditions. Whether integrated into construction machinery, agricultural equipment, industrial presses, or hydraulic power units, these pumps ensure consistent performance and long-term durability.
The entire AA10VO Series 31 boasts a suite of key advantages that make it a preferred choice for hydraulic system integrators:
Broad Displacement Range
Spanning from the compact A10VO10 to the high-flow A10VO140, the series caters to diverse flow and pressure requirements, eliminating the need for multiple pump types across different equipment lines.
High Pressure Tolerance
Built with hardened piston assemblies and precision-machined cylinder blocks, these pumps excel in high-pressure working environments, delivering uninterrupted power even during peak operational loads.
Low Noise & Vibration
Optimized hydraulic circuit design and tight component tolerances reduce operational noise and vibration, enhancing operator comfort and extending the service life of connected machinery.
Easy Maintenance & Serviceability
The modular construction simplifies disassembly, inspection, and replacement of key parts like R902561612. Standardized mounting interfaces also streamline installation and retrofitting into existing systems.
Enhanced Operational Efficiency
The variable displacement technology of models like AA10VO28ED72 ensures that energy consumption aligns with actual workloads, lowering overall operational costs and improving the environmental footprint of hydraulic systems.
Ideal for both stationary industrial setups and mobile heavy-duty equipment, the AA10VO Series 31 axial piston variable pumps combine flexibility, reliability, and efficiency to meet the most demanding hydraulic power needs.
A10VO series model number ordering:

H	A10V	SO	100	DR /	31	R -	P	P	A	12	N00
1	2	3	4	5	6	7	8	9	10	11	12

1= High speed version
2= Variable displacement pump
3= Swash plate design variable, open circuit
SO= industrial pump
O= mobile pump
4= Size: 18, 28, 45, 71, 100, 140
5= Control devices:
DR= pressure control
DRG= remote control
DFR= pressure and flow control
DFR1= orifice in X-channel closed
DFLR= pressure, flow and torque control
6= Series: 31
7= Direction of rotation: R= clockwise, L= anti-clockwise
8= Seals: P=NBR ( Nitrile rubber), V=FKM (Fluoro rubber)
9= Shaft end:
P= Metric parallel key
S= SAE spline
K= SAE parallel key
R= SAE spline through drive
U= SAE spline

10= Mounting flange:
A= ISO 2-bolt
B= ISO 4-bolt
C= SAE 2-bolt
D= SAE 4-bolt
11= Port type: 11,12, 41, 42, 61, 62, 91, 92
12= Through drive:
NOO=without through drive
With through drive*:
K01= mounting flange: 82-2(A). Shaft/coupling: 16-4(A)
K52= mounting flange: 82-2(A). Shaft/coupling: 19-4(A-B)
K02= mounting flange: 101-2(B). Shaft/coupling: 22-4(B)
K68= mounting flange: 101-2(B). Shaft/coupling: 22-4(B)
K04= mounting flange: 101-2(B). Shaft/coupling: 25-4(B-B)
K07= mounting flange: 127-2(C). Shaft/coupling: 32-4(C)
K24= mounting flange: 127-2(C). Shaft/coupling: 38-4(C-C)
K17= mounting flange: 152-4(D). Shaft/coupling: 44-4(D)

*Flange acc. to ISO 3019-1. Coupling for splined shaft acc. to SAE J744

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