HUNG RONG HYDRAULIC TECH. CO., LTD

705-52-30850

BRAND
KOMATSU
PART NO
705-52-30850
MODEL NO
SAR3-100+(1)28
  • 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.
SAR3-100 100.5 250 210 2500 600
SAR1-28 28.7

 

Applicable to :

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

 

  • Part Number: 705-52-30850

 

  • Model: SAR3-100+(1)28

 

  • Displacement:
    • Primary Pump (SA3-100): 100.5 cm³/rev
    • Secondary Pump (SA1-28): 28.7 cm³/rev

 

  • Pressure Rating: Rated 210 kg/cm² / Maximum 250 kg/cm²

 

  • Speed Range: 600 – 2500 r.p.m.

 

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

 

  • 🚜 Equipment Compatibility:
    • Komatsu Heavy Machinery:
    • Wheel Loaders: WA400-3, WA400-3A, WA400-3A-S, WA400-3A-SN, WA400-3-X, WA400-3-H, WA420-3, WA420-3MC Series and variants
  • Multi-Function Control: Combines a high-capacity primary pump and a supplementary auxiliary pump to optimize hydraulic power distribution for simultaneous steering, lifting, and bucket control.

 

  • Heavy-Duty Environments: Engineered for continuous load conditions in demanding construction sites, quarries, and material handling facilities.
  • Exact OEM Match: Meets stringent Komatsu OEM specifications with precise dimensional tolerances for seamless integration without modifications.

 

  • High Efficiency: Dual-pump layout ensures reliable flow control and maximum uptime under peak operating pressures up to 250 kg/cm².

 

  • Certified Quality: Built using ISO-compliant manufacturing processes to offer cost-effective maintenance and an extended service life in harsh environments.

 

  • Global Support: Backed by proven technical expertise and rigorous quality control to meet global aftermarket reliability standards.