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Shaoyang Victor Hydraulic Co., Ltd.

  • China,Shaoyang ,Hunan
  • Verified Supplier
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China Rexroth A4VSG71 R902445110 Axial Piston Variable Pump Closed Circuit Hydraulic
China Rexroth A4VSG71 R902445110 Axial Piston Variable Pump Closed Circuit Hydraulic

  1. China Rexroth A4VSG71 R902445110 Axial Piston Variable Pump Closed Circuit Hydraulic
  2. China Rexroth A4VSG71 R902445110 Axial Piston Variable Pump Closed Circuit Hydraulic
  3. China Rexroth A4VSG71 R902445110 Axial Piston Variable Pump Closed Circuit Hydraulic
  4. China Rexroth A4VSG71 R902445110 Axial Piston Variable Pump Closed Circuit Hydraulic
  5. China Rexroth A4VSG71 R902445110 Axial Piston Variable Pump Closed Circuit Hydraulic
  6. China Rexroth A4VSG71 R902445110 Axial Piston Variable Pump Closed Circuit Hydraulic

Rexroth A4VSG71 R902445110 Axial Piston Variable Pump Closed Circuit Hydraulic

  1. MOQ: 1PC
  2. Price:
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Packaging Details Standard Export Wooden Case
Warranty 1 Year
Condition Brand New
Supply Ability 500 pcs per month
Transport Package Standard Export Wooden Case
Color Available
Payment Terms T/T
Performance Same As Orginal
Delivery Time Based On Stock
Model Number SY-A4VSG
Certification China Classification Society Certification
Brand Name SY Hydraulic
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Packaging Details Standard Export Wooden Case Warranty 1 Year
Condition Brand New Supply Ability 500 pcs per month
Transport Package Standard Export Wooden Case Color Available
Payment Terms T/T Performance Same As Orginal
Delivery Time Based On Stock Model Number SY-A4VSG
Certification China Classification Society Certification Brand Name SY Hydraulic
Place of Origin China

Rexroth A4VSG Series 71cc Axial Piston Variable Pump HD1D Hydraulic Control Open Circuit


Key Features


· Variable swashplate design, smooth flow reversal across neutral position

· Nominal pressure: 350 bar; Max pressure: 400 bar

· Displacement: 71 cm³/rev

· Modular construction, optional through-drive for tandem pump installation

· Visual swivel angle indicator, convenient for onsite monitoring

· Strong axial & radial shaft load capacity

· Metric ISO mounting flange, parallel keyed drive shaft DIN 6885


Technical Parameters


Item Specification
Model PA4VSG71HD1D11R-PPB10H029NR902445110
Series PA4VSG
Type Swash plate Axial Piston Variable Hydraulic Pump
Displacement 71 cm³/rev
Circuit Type Open hydraulic circuit
Nominal Pressure 350 bar (35MPa)
Max Peak Pressure 420 bar (42MPa)
Rotation Direction R Clockwise
Special Feature Constant power limit, Heavy-duty continuous operation
Body Material Reinforced Cast Iron
Condition New



Specification:



Warranty 1 Year
Model A4VSG Series
Place of Origin China
Type Hydraulic pump Rexroth
Color Available
Feature High Efficiency,Long Life
Delivery Time 15-30 Days after Payment
Condition Brand new


Application Scenarios


· Marine deck machinery hydraulic system

· Mining & quarry heavy equipment

· Large industrial hydraulic power unit

· Metal forging & hydraulic press

· Heavy material handling machinery


Competitive Advantage:


  1. This Rexroth A4VSG71HD1D/11R-PPB10H029N (R902445110) is a closed-circuit variable piston pump with HD hydraulic control. It provides stepless displacement adjustment and bidirectional oil flow for smooth forward and reverse switching, ideal for hydrostatic travel drive systems of crawler cranes and large agricultural machinery.
  2. Designed for high pressure up to 350 bar rated and 400 bar peak pressure, this A4VSG pump has precisely ground friction pairs, high volumetric efficiency and low noise. It maintains good thermal performance under continuous heavy load and reduces unexpected downtime.
  3. It supports through-drive extension to connect other pumps for combined hydraulic systems with flexible layout. As a proven Rexroth closed-loop drive solution, it has readily available spare parts and easy maintenance, making it a preferred power unit for hydrostatic equipment repair and retrofit.


The Analysis For Rexroth A4VSG Closed Circuit Piston Pump Common Breakdown :


  1. Slow travel speed adjustment and jerky forward-reverse switching. It is generally caused by stuck HD control spool, insufficient pilot pressure or blocked control oil circuit. It leads to poor and delayed travel control of crawler cranes and farm machines, bringing operation risks.
  2. Low closed-loop pressure and weak driving force under load. It mainly results from heavy internal leakage due to worn pistons and valve plate, or insufficient charge pump flow. The machine lacks power for climbing or loaded travel and cannot meet heavy-duty driving requirements.
  3. Fast temperature rise with vibration and abnormal noise. Common triggers include contaminated hydraulic oil, blocked charge filter and air ingression. Continuous high heat accelerates seal aging and worsens internal leakage, and may burn out internal components in severe cases.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    1968

  • Total Annual:

    400000000-500000000

  • Employee Number:

    400~600

  • Ecer Certification:

    Verified Supplier

Shaoyang Victor Hydraulic Co., LTD. (formerly Shaoyang Hydraulic Parts factory), founded in 1968, is one of the three pillar enterprises of china's hydraulic industry directly under the former Ministry of Machinery industry, the national fixed-point production of hydraulic components, cylinders,... Shaoyang Victor Hydraulic Co., LTD. (formerly Shaoyang Hydraulic Parts factory), founded in 1968, is one of the three pillar enterprises of china's hydraulic industry directly under the former Ministry of Machinery industry, the national fixed-point production of hydraulic components, cylinders,...

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  • Shaoyang Victor Hydraulic Co., Ltd.
  • The intersection of Century Avenue and Baima Avenue,Shaoyang Economic and Technological development Zone,Shaoyang city,Hunan Province
  • https://www.pistonpumpmotor.com/

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