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Variable Displacement Piston Pumps A11VO75 2550 RPM For Construction Machinery

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Variable Displacement Piston Pumps A11VO75 2550 RPM For Construction Machinery

Brand Name : SY Hydraulic

Model Number : SY-A11V(L)O

Certification : China Classification Society Certification

Place of Origin : China

MOQ : 1pc

Price : USD 1500-3500 / pc

Payment Terms : T/T

Supply Ability : 1500 pcs per month

Delivery Time : 15-30 days

Packaging Details : Standard Export Wooden Case

Material : Cast Iron

Application : Mobile Machinery

Displacement : 40 60 75 85 95 115 130 145 190 260

Seals : NBR Shaft Seal Ring in FKM

Shaft End : Z P S T

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Construction Machinery Piston Pump with Thru-Drive 2550 RPM A11VO75

Features:

1. Swashplate design ensures efficient conversion of rotary motion to hydraulic energy.
2. Variable displacement control enables precise flow regulation in hydrostatic drives.
3. Optimized for mobile and off‐road hydraulic systems, meeting demanding field conditions.
4. Self-priming capability with tank pressurization for reliable start-up.
5. Optional integrated charge pump (impeller) improves self-suction performance.
6. Comprehensive control options available to suit a wide range of applications.
7. External power control adjustment allows real-time tuning during operation.
8. 100% through drive design enables integration with gear or axial piston pumps.
9. Output flow is directly proportional to drive speed ensuring system accuracy.
10. Infinitely variable displacement from maximum flow to zero for fine tuning.

Technical data:

Without charge pump (A11VO)
Size NG 40 60 75 95 130 145 190 260
Geometric displacement,
per revolution
Vg max cm3 42 58.5 74 93.5 130 145 193 260
Vg min cm3 0 0 0 0 0 0 0 0
Maximum
rotational speed
at Vg max nnom rpm 3000 2700 2550 2350 2100 2200 2100 2000
at Vg ≤ Vg max nmax rpm 3500 3250 3000 2780 2500 2500 2100 2300
Flow at nnom and Vg max qv l/min 126 158 189 220 273 319 405 468
Power at nnom, Vg max
and Δp = 350 bar
P kW 74 92 110 128 159 186 236 273
Torque at Vg max
and Δp = 350 bar
M Nm 234 326 412 521 724 808 1075 1448
Rotary stiffness drive shaft Z c kNm/rad 88.9 102.4 145.8 199.6 302.5 302.5 346.2 686.5
P c kNm/rad 87.5 107.9 143.1 196.4 312.4 312.4 383.2 653.8
S c kNm/rad 58.3 86.3 101.9 173.7 236.9 236.9 259.8 352
T c kNm/rad 74.5 102.4 125.6 148.3 301.9 567.1
Moment of inertia of the rotary group JTW kgm2 0.0048 0.0082 0.0115 0.0173 0.0318 0.0341 0.055 0.0878
Maximum angular acceleration α rad/s² 22000 17500 15000 13000 10500 9000 6800 4800
Case volume V L 1.1 1.35 1.85 2.1 2.9 2.9 3.8 4.6
Weight (without through-drive) approx. m kg 32 40 45 53 66 67 95 125

With charge pump (A11VLO)

Size NG 130 145 190 260
Geometric displacement,
per revolution
Vg max cm3 130 145 193 260
Vg min cm3 0 0 0 0
Maximum
rotational speed
at Vg max nnom rpm 2500 2500 2500 2300
at Vg ≤ Vg max nmax rpm 2500 2500 2500 2300
Flow at nnom and Vg max qv l/min 325 363 483 598
Power at nnom, Vg max
and Δp = 350 bar
P kW 190 211 281 349
Torque at Vg max
and Δp = 350 bar
M Nm 724 808 1075 1448
Rotary stiffness drive shaft Z c kNm/rad 302.5 302.5 346.2 686.5
P c kNm/rad 312.4 312.4 383.3 653.8
S c kNm/rad 236.9 236.9 259.8 352
T c kNm/rad 301.9 567.1
Moment of inertia of the rotary group JTW kgm2 0.0337 0.036 0.0577 0.0895
Maximum angular acceleration α rad/s² 10500 9000 6800 4800
Case volume V L 2.9 2.9 3.8 4.6
Weight (without through-drive) approx. m kg 72 73 104 138

Specifications:

Warranty 12 months
Transport Package Standard Export Wooden Case
Material Cast Iron
Type Construction machinery piston pump
Production Capacity 1000-3000 pcs/month
HS Code 8413503190
Application Mobile Crane,Hard Rock Roadheader,Rotary Drilling Rig,Crawler Crane
Maximum speed 2780rpm
Delivery Time 15-30 Days after Payment
Displacement A11V(L)O 95/115/130/145/165/190/260

Applications:

1. In the field of off-road construction vehicles, the Rexroth A11V(L)O pump delivers robust performance with its advanced control system and reliable power output. This piston pump is engineered to handle rugged terrains and frequent start–stop operations, ensuring that heavy machinery remains efficient under all conditions. With its self-priming feature and intelligent flow regulation, it optimizes energy use while reducing fuel consumption and maintenance expenses. The compact design facilitates seamless integration into complex hydraulic systems, and real-time monitoring adjusts operating parameters to enhance overall performance and safety. Designed to meet the rigorous demands of construction vehicles, this hydraulic pump boosts productivity and cost-effectiveness, making it a critical component for operational excellence in challenging environments.

2. In real-world off-road vehicle applications, the Rexroth A11V(L)O pump provides continuous and stable hydraulic power through intelligent flow regulation and self-priming features. This hydraulic pump ensures that vehicles adapt seamlessly to frequent load changes and prolonged operations, thereby maintaining peak performance and safety. Its compact, robust design simplifies integration into existing systems while reducing energy consumption and maintenance costs. The smart monitoring system automatically adjusts flow output in real time, optimizing energy conversion and overall system efficiency. With proven reliability in challenging conditions, this axial piston pump is essential for enhancing operational performance and cost-effectiveness in modern construction vehicle fleets.

Variable Displacement Piston Pumps A11VO75 2550 RPM For Construction Machinery

Competitive Advantage:

1. Rexroth A11V(L)O is engineered to adapt to extreme conditions such as high temperatures, low temperatures, high humidity, and dusty environments; this resilient hydraulic pump consistently delivers reliable performance in harsh settings, ensuring optimal operation and durability even under adverse circumstances, thereby fulfilling the rigorous demands of global industrial applications across diverse climates and challenging operational scenarios, for superior resilience.

2. Rexroth A11V(L)O incorporates an excellent thermal management system that effectively controls operating temperatures and prevents overheating and thermal degradation; this innovative axial piston pump maintains stable temperatures under high load conditions, thereby enhancing equipment safety, improving overall efficiency, and extending product lifespan, while delivering consistent performance in demanding industrial applications, ensuring exceptional thermal stability and superior efficiency for ultimate performance.

3. Rexroth A11V(L)O is rigorously tested and proven to offer high reliability and stability, performing flawlessly under continuous heavy loads and adverse conditions; this advanced piston pump ensures uninterrupted operation and long service life, thereby safeguarding production continuity and delivering exceptional performance, making it a dependable choice for critical industrial applications worldwide, ensuring unmatched durability and consistently superior overall operational performance.

The Analysis For Rexroth A11V(L)O Axial Piston Pump Common Breakdown:

1. The Rexroth A11V(L)O hydraulic pump’s performance can be affected when the hydraulic fluid’s viscosity changes due to temperature variations or contamination, resulting in modified flow characteristics and wear; regular monitoring of fluid properties, timely oil changes, and using recommended fluids are essential to maintain optimal pump operation for consistent performance.

2. The Rexroth A11V(L)O axial piston pump may exhibit sluggish response if its control system experiences delays due to software glitches or hardware malfunctions, resulting in adjustments and reduced performance; troubleshooting the control module, updating firmware, and conducting system diagnostics are necessary to restore quick response and maintain reliable pump operation.

3. The Rexroth A11V(L)O hydraulic pump may suffer unstable output when air becomes entrained in the hydraulic fluid, causing cavitation and pressure fluctuations that compromise system performance; ensuring proper bleeding of air, verifying system seals, and performing routine checks are critical steps to eliminate air entrainment and maintain consistent pump operation.


Product Tags:

Variable Displacement Piston Pumps A11VO75

      

2550 RPM Variable Displacement Piston Pumps

      

Construction Machinery A11VO75 Pump

      
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