HUNG RONG HYDRAULIC TECH. CO., LTD

705-12-34210

BRAND
KOMATSU
PART NO
705-12-34210
MODEL NO
SAR2-50+20 FS
  • 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.
SAR2-50+20 FS (Front Section) 50.1 250 210 3000 800

 

Applicable to :

HD205-3, GD705A-4A, GD705A-4, WA450-1, WA470-1, GD705A-3

  • Part Number: 705-12-34240

 

  • Model: SAR2-50+20 FS (Front Section)

 

  • Displacement: 50.1 cm³/rev

 

  • Rated Pressure: 210 kg/cm² (approx. 21 MPa / 3000 psi)

 

  • Maximum Operating Pressure: 250 kg/cm² (approx. 25 MPa / 3550 psi)

 

  • Speed Range: 800–3000 r.p.m

 

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

This dual-section hydraulic gear pump is designed for complex hydraulic circuits in heavy construction and industrial machinery. 


Its robust power transmission supports critical functions in the following Komatsu equipment lines:

  • Dump Trucks: Compatible with the Komatsu HD205-3 model.

 

  • Motor Graders: Fits GD705A-3, GD705A-4, and GD705A-4A models.

 

  • Wheel Loaders: Suitable for WA450-1 and WA470-1 models.

 

  • Fleet Maintenance: Ideal as a direct-fit OEM replacement for construction, mining, and earthmoving fleet maintenance.
  • OEM-Spec Precision: Guarantees 100% verified compatibility and seamless integration with specified Komatsu machinery.

 

  • Dual-Section Efficiency: Optimizes power transmission across complex hydraulic systems, enhancing overall machine responsiveness.

 

  • High-Pressure Resilience: Safely handles rated pressures of 210 kg/cm² and peak demands up to 250 kg/cm² without power loss.

 

  • Strict Quality Control: Manufactured by Hung Rong Hydraulic Tech. to meet rigorous performance tolerances for extended service life.

 

  • Procurement Support: Backed by direct inquiry channels to facilitate streamlined bulk ordering and volume procurement for businesses.