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Undercarriage System

Walkson is a qualified supplier of crawler system for large hydraulic excavators and electric rope shovels. We have system one undercarriage for sale and our Key products include:

  • Crawler shoes/trackpads

  • Sprockets/tumblers

  • Idlers

  • Hydraulic shovel

  • Load rollers

  • Return rollers / slider blocks

  • End block

  • Pin and bolt


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Track Pads/ Crawler Shoe
Track Pads/ Crawler Shoe Our clawer shoes are manufactured by low alloy high strength steel, they are all heat treatment to the above requirement mechanical property to suit any working conditions. Learn More >
Sprocket/ Tumbler
Sprocket/ Tumbler Our sprocket is made from low alloy high strength steel, combined with quenched and tempered heat treatment plus induction hardened to get the required requirement. With this special material the main structure of the part has a good strength while at the same time the working area also has incredibly good wear resistance performance. Learn More >
Idler
Idler Our Idler is made from low alloy high strength steel, combined with quenched and tempered heat treatment plus induction hardened to get the required requirement. With this special material the main structure of the part has a good strength while at the same time the working area also has incredibly good wear resistance performance. Learn More >
Roller
Roller Boron steel is used to make the roller, induction hardened and stress relieved to increase robustness. The roller shaft is induction hardened, the surface finishing quality is strictly according the drawing, to resist at heavy radial and axial loads and in the meantime guarantee an adequate internal oil lubrication. Learn More >

Typical Mechanical Properties of Tumbler and Idler


Mechanical properties

Required Minimum

UTS (MPa)

950

Yield (MPa)

800

Elongation (%)

10

Charpy V Notch (Joules)

27 @ -40 C

Hardness (Brinell)

286 – 340


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