HUNG RONG HYDRAULIC TECH. CO., LTD

705-21-40021

BRAND
KOMATSU
PART NO
705-21-40021
MODEL NO
SAL3-100+50+36+(1)25 FS (Front Section)
  • 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.
SAL3-100+50+36+(1)25 FS (Front Section) 100.5 250 210 2500 600

 

Applicable to :

WA380-3, WA380-3MC

  • Part Number: 705-21-40021

 

  • Model: SAL3-100+50+36+(1)25 FS (Front Section)

 

  • Displacement: 100.5 cm³/rev

 

  • Rated Pressure: 210 kg/cm²

 

  • Maximum Operating Pressure: 250 kg/cm²

 

  • Speed Range: 600–2500 r.p.m.

 

  • Manufacturer: Hung Rong Hydraulic Tech. Co., Ltd.
  • Komatsu Equipment: Acts as a critical power transmission component specifically for Komatsu WA380-3 and WA380-3MC wheel loaders.

 

  • System Functions: Delivers 100.5 cm³/rev displacement, enabling independent and simultaneous control of bucket, boom, steering, and auxiliary systems.

 

  • Work Environments: Built to withstand repetitive, high-pressure, intensive loading cycles in quarries, construction sites, aggregate facilities, and industrial yards.

 

  • Applications: Essential for demanding excavation and continuous material transport operations where responsive and reliable fluid power is required under extreme conditions.
  • Replacement: Built to exacting OEM specifications, ensuring 100% direct compatibility and a seamless fit to replace part number 705-21-40021.

 

  • Taiwan-Made Quality: Manufactured by Hung Rong Hydraulic Tech. Co., Ltd. in Taiwan, utilizing ISO-compliant processes and rigorous quality testing protocols.

 

  • Heavy-Duty Reliability: Handles maximum operating pressures up to 250 kg/cm² with precision displacement control, delivering consistent performance and an extended service life.

 

  • Global Support & Value: Backed by decades of hydraulic systems expertise, providing heavy equipment operators worldwide with minimal downtime and maximum operational efficiency.