HUNG RONG HYDRAULIC TECH. CO., LTD

705-55-33100

BRAND
KOMATSU
PART NO
705-55-33100
MODEL NO
SAL3-90+U90+(1)20
  • 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.
SAL3-90 90.7 250 210 2500 600
SAL3-90 90.7
SAL1-20 20.5 300 250

 

Applicable to :

WA430-5, WA430-5-SN

  • Part Number: 705-55-33100

 

  • Model: SAL3-90+90+(1)20 

 

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

 

⚙️ Technical Specifications

  • Operating Speed Range: 600 - 2500 rpm

 

  • Three-Section Displacement Specs:
    • Section 1 (SA3-90): 90.7 cm³/rev
    • Section 2 (SA3-90): 90.7 cm³/rev
    • Section 3 (SA1-20 Charging Pump): 20.5 cm³/rev

 

  • Pressure Ratings (Continuous / Maximum):
    • Dual SA3-90 Sections: Rated 210 kg/cm² / Max 250 kg/cm²
    • SA1-20 Section: Rated 250 kg/cm² / Max 300 kg/cm²

  • Precise Multi-Circuit Control: Triple-pump design provides independent and exact fluid flow to steering, lifting, and auxiliary systems.

 

  • Charging Pump Integration: Features an integrated SA1-20 charging pump section to ensure system charging efficiency under high demand.

 

  • Heavy Load Performance: Main sections maintain steady pressure and flow rates to keep heavy lifting performance consistent.

 

  • High-Cycle Efficiency: Engineered for mission-critical construction and mining tasks where machine productivity is highly cycle-dependent.
  • Proven Specialty Production: Manufactured by Hung Rong Hydraulic Tech, a specialized Taiwanese supplier with verified heavy equipment expertise.

 

  • OEM-Equivalent Reliability: Serves as a precise, factory-tested replacement for Komatsu 705-55-33100 without any fitting modifications.

 

  • ISO Quality Standards: Fabricated under strict ISO-compliant processes to offer measurable durability and extended field availability.

 

  • Lowered Fleet Expenses: Delivers an optimal balance of cost and reliability, significantly dropping downtime risks for high-utilization fleets.