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Mini Excavator Dozer Blade Bucket Bulldozer Track Shoe Kt122 Track Roller

 
Model: KT122
Availability:



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Product Overview

The CAT320 track roller (bottom roller) is a key undercarriage component designed to support

machine weight and guide the track chain smoothly. Built for durability and stable performance, it is

suitable for CAT320 excavators operating in construction, earthmoving, and mining-related

applications.

Our track rollers are manufactured with strict quality control to ensure excellent wear resistance,

reliable sealing performance, and long service life, even under tough working conditions.



Key Specifications

Item Description
Product Name Track Roller / Bottom Roller
Machine Model Excavator
Application Undercarriage System
Material 50Mn
Manufacturing Process Forged / Casting (Optional)
Heat Treatment Quenched & Tempered
Surface Hardness HRC 52–58 (Typical)
Sealing Type Floating Seal (Duo-Cone Seal)
Color Yellow / Black / Custom


track roller (3)



Key Features

  • High Load Capacity – Designed to support the operating weight of excavators

  • Excellent Wear Resistance – Heat-treated roller body ensures long-lasting performance

  • Reliable Sealing System – Duo-cone floating seals prevent oil leakage and dirt ingress

  • Smooth Operation – Precision machining reduces friction and track vibration

  • Extended Service Life – Reduced downtime and lower maintenance cost



Applications

The track roller is widely used in:

  • General construction projects

  • Earthmoving and excavation work

  • Road and infrastructure construction

  • Medium-duty mining and quarry applications

Suitable for standard and heavy-duty working conditions.


农林业 矿区 建筑



Compatible Machines

• CAT/Hitachi/Volvo/JCB/ KOMATSU/KUBOTA.... series excavators

• Machines using EXCAVATOR/DOZER undercarriage systems

For exact compatibility (CAT 320B/KOMATSU PC200), please contact us with your machine model or serial number.


挖掘机 推土机



Packaging & Delivery

  • Packing: Wooden case / Pallet

  • Export-standard anti-rust protection

  • OEM & ODM service available

  • Stable supply for bulk and long-term orders


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Inquiry

Looking for reliable CAT320 track rollers for your excavators?

Contact us today for price, lead time, and technical support.

Custom branding and packaging are available.

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No. 6, Jinxi Eighth Road, Xiamei Town, Nan'an City, Fujian Province
Established in 2002, we are a manufacturer with over 20 years of expertise in a wide range of construction machinery spare parts.
 

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