SKU: HCAA10103

Arm Cylinder Assembly PC120-6 PC128 PC130 PC138 PC138US-8

$5,200.00
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Description

Lucas Parts provides premium Arm Cylinder assemblies suitable for Komatsu PC128 PC130 PC138 PC138US-8 excavators. The arm cylinder is an essential hydraulic component that controls the movement and digging power of the excavator arm, delivering smooth and efficient operation on construction, earthmoving, and mining jobs.

Manufactured for durability and performance, these hydraulic arm cylinders are built to withstand demanding working conditions while maintaining reliable lifting and digging strength. Ideal for repair, replacement, or machine maintenance, Lucas Parts offers dependable excavator hydraulic parts with Australia-wide support.

Suitable for:

  • Komatsu PC128
  • Komatsu PC130
  • Komatsu PC138
  • Komatsu PC138US-8

Features:

  • Heavy-duty construction
  • Reliable hydraulic performance
  • Designed for long service life
  • Suitable replacement for worn or damaged cylinders
  • Quality excavator parts from Lucas Parts

 

 

Hydraulic Cylinder Measurement Guide - How to Measure Tube OD, Rod Diameter, Pin Bore and Stroke

 

Pin-and-Bush-Location-Diagram

Lucas Parts provides premium Arm Cylinder assemblies suitable for Komatsu PC100-5 and PC120-5 excavators. The arm cylinder is an essential hydraulic component that controls the movement and digging power of the excavator arm, delivering smooth and efficient operation on construction, earthmoving, and mining jobs.

Manufactured for durability and performance, these hydraulic arm cylinders are built to withstand demanding working conditions while maintaining reliable lifting and digging strength. Ideal for repair, replacement, or machine maintenance, Lucas Parts offers dependable excavator hydraulic parts with Australia-wide support.

Suitable for:

  • Komatsu PC100-5
  • Komatsu PC120-5

Features:

  • Heavy-duty construction
  • Reliable hydraulic performance
  • Designed for long service life
  • Suitable replacement for worn or damaged cylinders
  • Quality excavator parts from Lucas Parts

Contact Lucas Parts today on 1300 987 300 for pricing and availability.

Arm / Stick Cylinder Assembly for Komatsu PC120-6, PC128, PC130, PC138, PC138US-8 Excavator

Restore full digging power and precise arm control on your Komatsu PC120-6, PC128, PC130, PC138, PC138US-8 with this complete arm (stick) cylinder assembly. Supplied as a ready-to-fit unit — barrel, rod, piston, gland and seals — it's built to OEM specifications for a direct bolt-on replacement with no rebuilding required.

If the arm hesitates when you crowd in, drifts while holding a load, or the rod is pitted and leaking past fresh seals, a complete replacement is usually the quickest fix. With a complete unit on hand, the change-over is a straightforward remove-and-refit job. In the 12–15 tonne class, these machines handle road works, bulk trenching and site clearing — heavy cycles that wear seals and rods faster than most owners expect.

Specifications

Our SKU HCAA10103
Part Type Arm / Stick Hydraulic Cylinder Assembly
Suits Komatsu PC120-6, PC128, PC130, PC138, PC138US-8 Excavator
Supplied As Complete assembly – barrel, rod, piston, gland & seals fitted
Condition Brand New, Aftermarket (OEM Spec)
Warranty Backed by Lucas Parts Quality Guarantee

The Lucas Parts Difference

  • Ready to Fit – Complete assembly – no sourcing seals or rebuilding
  • Fitment Checked – Send us your serial number and we confirm before dispatch
  • Expert Support – Not sure about fitment? Our team knows excavators
  • Local Stock – Held in Melbourne, so there is no long overseas wait

Fitment Note: Please confirm your machine model and serial number range before ordering, as cylinder specifications can vary between production years. Contact us with your serial number and we'll confirm compatibility.

Specifications

SKU HCAA10103
Brand Komatsu
Shipping Weight 170.0000kg
Shipping Width 0.400m
Shipping Height 0.401m
Shipping Length 1.500m
Shipping Cubic 0.240600000m3
Unit Of Measure ea

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