HUNG RONG HYDRAULIC TECH. CO., LTD

705-55-33080

BRAND
KOMATSU
PART NO
705-55-33080
MODEL NO
SAL3-80+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.
SAL3-80 80.0 250 210 2500 600
SAL3-90 90.7
SAL1-20 20.5 300 250

 

Applicable to :

WA380-5, WA380-5-TN, WA380-5-SN, WA380-5-L, WA400-5, WA400-5L

  • Part Number: 705-55-33080

 

  • Model: SAL3-80+90+(1)20 

 

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

 

⚙️ Technical Specifications

  • Operating Speed Range: 600 - 2500 rpm

 

  • Three-Section Displacement Specs:
    • Section 1 (SA3-80): 80.0 cm³/rev
    • Section 2 (SA3-90): 90.7 cm³/rev
    • Section 3 (SA1-20): 20.5 cm³/rev

 

  • Pressure Ratings (Continuous / Maximum):
    • SA3-80 & SA3-90 Sections: Rated 210 kg/cm² / Max 250 kg/cm²
    • SA1-20 Section: Rated 250 kg/cm² / Max 300 kg/cm²

  • Independent Circuit Optimization: Multi-section housing isolates flow for steering, implements control, and auxiliary functions.

 

  • Enhanced Machine Efficiency: Independent circuit delivery optimizes overall machine performance and improves fuel efficiency.

 

  • Simultaneous Handling: Powers simultaneous operations during high-intensity construction and demanding earthmoving.

 

  • Seamless Field Restoration: Ensures precise fitment to eliminate equipment failure risks and restore factory-level pressure stability.
  • Advanced Manufacturer R&D: Built by Taiwan-based specialist Hung Rong Hydraulic Tech with dedicated hydraulic system R&D capabilities.

 

  • OEM-Equivalent Integrity: Matches original Komatsu 705-55-33080 specifications completely without requiring any machine modification.

 

  • High-Pressure Durability: Built to tolerate extreme peak pressures up to 300 kg/cm², extending service intervals under high load cycles.

 

  • Cost-Effective Fleet Solution: Provides fleet managers and maintenance crews with a reliable, ISO-standard alternative that reduces procurement risks.