HUNG RONG HYDRAULIC TECH. CO., LTD

705-52-30360

BRAND
KOMATSU
PART NO
705-52-30360
MODEL NO
SAR3-56+45
  • Specification
  • Product Description
  • Product Scenario
  • Product Advantage
Model Displacement
(cm3/rev.)
Max. Pressure
(kg/cm2)
Rated Pressure
(kg/cm2)
Speed
(r.p.m.)
Max. Min.
SAR3-56 56.0 250 210 2500 600
SAR3-45 45.3

 

Applicable to :

WA420-3, WA420-3MC, WA400-3A-S, WA400-3A-SN, WA400-3-X, WA400-3-H, HD255-5

 

  • Part Number: 705-52-30360

 

  • Model: SAR3-56+45

 

  • Displacement: 56.0 cm³/rev (SAR3-56) + 45.3 cm³/rev (SAR3-45) 

 

  • Rated Pressure: 210 kg/cm²

 

  • Maximum Pressure: 250 kg/cm²

 

  • Speed Range: 600 – 2500 r.m.p.

 

  • Manufacturer: Hung Rong Hydraulic Tech. Co., Ltd.

 

     🛠️ Equipment Compatibility

  • Komatsu Wheel Loaders:
    • WA420-3, WA420-3MC
    • WA400-3A-S, WA400-3A-SN
    • WA400-3-X, WA400-3-H

 

  • Komatsu Heavy-Duty Dump Trucks:
    • HD255-5
  • Primary Function: Provides consistent fluid delivery for vehicle steering, lifting, and auxiliary hydraulic functions.

 

  • Working Environments: Demanding off-highway operations in construction sites, quarries, and material handling facilities.

 

  • Maintenance & Overhaul: Features exact OEM dimensional accuracy, making it ideal for standard maintenance or machinery refurbishment projects.
  • Cross-Model Versatility: Engineered for direct compatibility with multiple WA loaders and HD dump trucks, reducing fleet inventory complexity.

 

  • Precision Tandem Engineering: The 56.0 + 45.3 cm³/rev tandem design ensures optimal fluid power transmission in high-load systems.

 

  • ISO-Compliant Manufacturing: Built by Hung Rong with an established R&D infrastructure, delivering superior dimensional accuracy and fatigue resistance.

 

  • Robust Aftermarket Reliability: Outperforms generic alternatives with comprehensive technical documentation and multi-channel customer support.