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R902555191 APA4VSO250LR2DY/30R-VZB25U35-SO757 Axial Piston Variable Pump A4VSO A4VSO71 A4VSO125 A4VSO750 A4VSO180 A4VSO250 A4VSO500 A4VSO355

R910976965 AA4VSO250DRG/30R-PPB13N00 Axial Piston Variable Pump A4VSO A4VSO71/125/750/180/250/500/355

Warranty: 12 Months just like OEM Pump
Mark: SENHENGYUAN Hydraulics
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E: wise@fjzhenyuan.com

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Product Description

A4VSO Series Axial Piston Variable Pump
The A4VSO series axial piston variable pump is a high-performance, heavy-duty hydraulic core component engineered for demanding industrial and mobile hydraulic systems. Covering a comprehensive range of models including A4VSO71, A4VSO125, A4VSO180, A4VSO250, A4VSO355, A4VSO500, and A4VSO750, this series delivers exceptional pressure output, flow control precision, and operational reliability. The specialized model AA4VSO250DRG/30R-PPB13N00 (part number R910976965) is tailored for high-pressure, continuous-operation scenarios, making it a preferred choice for heavy machinery and industrial equipment.
Core Features
Precision Variable Displacement Control
The A4VSO series adopts an advanced variable displacement design, enabling real-time adjustment of output flow according to system demands. This adaptability ensures optimal energy utilization, eliminating unnecessary power consumption and enhancing the overall efficiency of hydraulic systems—whether for low-flow precision control or high-flow heavy-load operations.
Robust Construction for Extreme Conditions
Built with high-strength alloy cylinder blocks, precision-machined pistons, and wear-resistant valve plates, the pump excels in withstanding high system pressures and harsh working environments. It resists abrasion, corrosion, and mechanical fatigue, ensuring stable performance in applications such as mining, construction, and heavy industrial manufacturing, while extending service life and reducing maintenance costs.
Smooth Operation & Low Noise
The optimized axial piston structure and hydraulic balance design minimize internal friction and pressure fluctuations during operation, resulting in ultra-smooth performance and low noise levels. This feature is particularly beneficial for indoor industrial equipment and precision machinery that requires quiet, stable operation.
Easy Integration & Maintenance
With a compact, modular design, the A4VSO series pumps are easy to integrate into various hydraulic system layouts, even in space-constrained installations. The standardized interface and disassembly-friendly structure simplify routine maintenance and part replacement, minimizing equipment downtime and operational disruptions.
Model-Specific Advantages
A4VSO71/A4VSO125: Compact and lightweight, these models are ideal for medium-pressure, medium-flow applications such as small construction machinery, agricultural equipment, and light industrial systems, offering a perfect balance of efficiency and versatility.
A4VSO180/A4VSO250: Designed for high-pressure, high-flow working conditions, these variants deliver powerful output for heavy-duty equipment like excavators, loaders, and industrial presses. The AA4VSO250DRG/30R-PPB13N00 (R910976965) model features a specialized control mechanism that enhances load response speed and pressure stability.
A4VSO355/A4VSO500/A4VSO750: These large-displacement models provide ultra-high flow and torque output, tailored for extreme heavy-load applications including mining crushers, large-scale injection molding machines, and offshore drilling equipment.
Typical Applications
The A4VSO series axial piston variable pump is widely utilized across multiple industries:
Construction machinery (excavators, bulldozers, cranes, concrete pumps)
Mining equipment (mining trucks, crushers, drilling rigs, conveyor systems)
Industrial machinery (heavy-duty presses, injection molding machines, steel rolling mills)
Agricultural machinery (large harvesters, tractors, irrigation systems)
Marine and offshore equipment (ship deck machinery, offshore platforms)
Whether for precision control tasks or extreme heavy-load operations, the A4VSO series stands as a reliable, high-efficiency hydraulic solution for modern industrial systems.

Table of values (theoretical values, without efficiency and tolerances; values rounded)
  Nominal size A4VSO71 A4VSO125 A4VSO180 A4VSO250 
 Nominal pressure p N bar 350 350 350 350 
 Maximum pressure pmax bar 450 450 450 450 
 Displacement Vg max cm³ 71 125 180 250 
 Speed Max. speed n max rpm 2200 1800 1800 1500 
 Flow at n max q V max l/min 156 225 324 375 
 Power Δ p = 350 bar P max kW 91 131 189 219 
 Torque Δ p = 350 bar Tmax Nm 395 696 1002 1391 
 Weight (approx.) m kg 53 88 102 184 
 
 
 Nominal size A4VSO355 A4VSO500 A4VSO750 A4VSO1000 
 Nominal pressure p N bar 350 350 350 350 
 Maximum pressure pmax bar 450 450 450 450 
 Displacement Vg max cm³ 355 500 750 1000 
 Speed Max. speed n max rpm 1500 1320 
 1000 
 Flow at n max q V max l/min 533 660 
 1000 
 Power Δ p = 350 bar P max kW 311 385 525 583 
 Torque Δ p = 350 bar Tmax Nm 1976 2783 4174 5565 
 Weight (approx.) m kg 207 320 460 605 
  

More models

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R902513406	A4VSO250DRG/30R+A10VSO28DR/31R
R902539982	A4VSO250DRG/30R+A4VSO125DRG/30R
R902472323	A4VSO250DRG/30R+A4VSO180DRG/30R
R902487648	A4VSO250DRG/30R+A4VSO180DRG/30R
R902514541	A4VSO250DRG/30R+A4VSO250DRG/30R
R902569798	A4VSO250DRG/30R+A4VSO250DRG+A10VSO140DR
R902497596	A4VSO250DRG/30R+A4VSO40DR/10R
R902559547	A4VSO250DRG+A4VSO125DRG+A4VSO40DRG
R910914136	AA4VSO250DRG/10R-PPB13N00-SO103
R910966825	AA4VSO250DRG/22R-PPB13N00-SO580
R902410827	AA4VSO250DRG/30L-VPB13K68
R910976965	AA4VSO250DRG/30R-PPB13N00
R902405409	AA4VSO250DRG/30R-VPB13N00
R902500300	AEAA4VSO250DRG/30R-VKD63N00
R902480613	AHAA4VSO250DRG/30R-VKD75U99E
R902564207	AHAA4VSO250DRG/30R-VSD75U18ES1277
R910984403	AHAA4VSO250DRGM/30R-EKD63N00-SO844
R987055104	HAA4VSO250DRG/30R-PKD63K08
R978053548	HAA4VSO250DRG/30R-VKD63N00A

Wise

Energy-efficient A4VSO71 axial piston variable pump A4VSO125 variable pump for construction equipment Heavy-duty A4VSO750 pump for mining machinery Industrial-grade A4VSO355 hydraulic pump Precision control A4VSO180 axial piston pump High-pressure A4VSO250 variable pump AA4VSO250DRG/30R-PPB13N00 hydraulic pump AA4VSO250DRG axial piston pump A4VSO250 variable displacement pump A4VSO125 Hydraulic Variable Pump

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Nominal size				A4VSO71	A4VSO125	A4VSO180	A4VSO250
Nominal pressure		p N	bar	350	350	350	350
Maximum pressure		pmax	bar	450	450	450	450
Displacement		Vg max	cm³	71	125	180	250
Speed	Max. speed	n max	rpm	2200	1800	1800	1500
Flow	at n max	q V max	l/min	156	225	324	375
Power	Δ p = 350 bar	P max	kW	91	131	189	219
Torque	Δ p = 350 bar	Tmax	Nm	395	696	1002	1391
Weight (approx.)		m	kg	53	88	102	184

Nominal size				A4VSO355	A4VSO500	A4VSO750	A4VSO1000
Nominal pressure		p N	bar	350	350	350	350
Maximum pressure		pmax	bar	450	450	450	450
Displacement		Vg max	cm³	355	500	750	1000
Speed	Max. speed	n max	rpm	1500	1320		1000
Flow	at n max	q V max	l/min	533	660		1000
Power	Δ p = 350 bar	P max	kW	311	385	525	583
Torque	Δ p = 350 bar	Tmax	Nm	1976	2783	4174	5565
Weight (approx.)		m	kg	207	320	460	605

R910976965 AA4VSO250DRG/30R-PPB13N00 Axial Piston Variable Pump A4VSO A4VSO71/125/750/180/250/500/355

A4VSO Series Axial Piston Variable Pump

Core Features

Model-Specific Advantages

Typical Applications

A4VSO Series Axial Piston Variable Pump

Core Features

Model-Specific Advantages

Typical Applications

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