ABOUT KTSU

Kunshan Kensetsu Buhin Co.,Ltd. is the Sino-Japanese joint venture enterprise ,specialize in the undercarriage parts for construction and agriculture machinery. Our main products include Track Roller, Carrier Roller, Front Idler, Sprocket, Track Chain Assembly applied to hydraulic excavator, bulldozer, paving machine and agricultural machine, a great variety with over 3000 items.  
           Our company is located in the Economy and Technology Development Zone of Shipai, Kunshan City, Jiangsu Province, China, 50 km away from Shanghai. It covers an area of 70,000 sq. meters, in which 45,000 sq. meters are building area. Its traffic and transportation are very convenient and it enjoys exceptional advantages of economic and geographical conditions.

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Product Quality Control

Advanced CAD and CAM technology are adopted for designing and developing. Specialized designing and hi-tech manufacturing ensure the high quality products.

Production equipment

Composed by two pieces of forged semi-roller shell, the entire roller shell is welded by NITTO friction welding machine, CO2 automatic welding & Robot welding.

KTSU Manufacturing Video

Production equipment

• Composed of two forged half roll shells, the entire roll shell is welded by NITTo friction welding machine CO2 automatic welding and robot welding.
• The ideal surface hardness and depth hardness of the roller sleeve ensure the high quality and service life of the product.
 • Processed by CNC lathes and CNC machine tools, ensuring the ultra precision and stability of product dimensions.
 • The precise assembly process and high-quality and reliable floating sealing group achieve perfect sealing and lubricated rotation of the rollers

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Blog posts

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  • Why Is the Undercarriage Market Surging to $7.5...

    The global excavator undercarriage parts market reached USD 7.54 billion in 2026, growing at an 8.18% CAGR toward USD 12.24 billion by 2032. This surge is driven by global infrastructure projects,...

    Why Is the Undercarriage Market Surging to $7.5...

    The global excavator undercarriage parts market reached USD 7.54 billion in 2026, growing at an 8.18% CAGR toward USD 12.24 billion by 2032. This surge is driven by global infrastructure projects,...

  • How Does IoT Smart UndercarriageEnable Predicti...

    IoT-enabled smart undercarriage components embed telematics and sensors directly into track rollers, idlers, and sprockets to monitor real-time wear data, shifting fleet management from reactive repairs to predictive maintenance. This...

    How Does IoT Smart UndercarriageEnable Predicti...

    IoT-enabled smart undercarriage components embed telematics and sensors directly into track rollers, idlers, and sprockets to monitor real-time wear data, shifting fleet management from reactive repairs to predictive maintenance. This...

  • How Do Advanced Alloys Extend Undercarriage Lif...

    2026 industry forecasts show heavy equipment manufacturers shifting to advanced wear-resistant materials, high-strength steels, and specialized composite alloys. These innovations reduce machinery weight while extending part lifespan under extreme friction....

    How Do Advanced Alloys Extend Undercarriage Lif...

    2026 industry forecasts show heavy equipment manufacturers shifting to advanced wear-resistant materials, high-strength steels, and specialized composite alloys. These innovations reduce machinery weight while extending part lifespan under extreme friction....

  • How Does Electric Machinery Accelerate Undercar...

    Electric construction machinery adds 15%–25% more weight and delivers instant torque up to 3× diesel equivalents, drastically accelerating wear on track rollers, carrier rollers, and sprockets. Traditional undercarriages fail prematurely...

    How Does Electric Machinery Accelerate Undercar...

    Electric construction machinery adds 15%–25% more weight and delivers instant torque up to 3× diesel equivalents, drastically accelerating wear on track rollers, carrier rollers, and sprockets. Traditional undercarriages fail prematurely...

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Reliable Excavator Undercatrage solutions