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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  • How Are High-Tensile Alloys Shaping the Future ...

    High-tensile alloys are transforming excavators by improving undercarriage durability, reducing wear, and enhancing performance in harsh conditions. These advanced materials extend track shoe lifespan, minimize maintenance downtime, and improve operational...

    How Are High-Tensile Alloys Shaping the Future ...

    High-tensile alloys are transforming excavators by improving undercarriage durability, reducing wear, and enhancing performance in harsh conditions. These advanced materials extend track shoe lifespan, minimize maintenance downtime, and improve operational...

  • How Can Carrier Rollers Avoid Seizure in Muddy ...

    Carrier rollers in excavator undercarriages often seize in winter or muddy environments because debris and frozen soil interfere with smooth rotation. KTSU’s floating sealing group protects rollers by maintaining lubrication...

    How Can Carrier Rollers Avoid Seizure in Muddy ...

    Carrier rollers in excavator undercarriages often seize in winter or muddy environments because debris and frozen soil interfere with smooth rotation. KTSU’s floating sealing group protects rollers by maintaining lubrication...

  • OEM vs. Aftermarket Undercarriage Parts: Which ...

    Choosing between OEM and aftermarket undercarriage parts requires evaluating performance, durability, and cost. KTSU aftermarket components utilize NITTO friction welding and CAD/CAM technology to match OEM standards while offering a...

    OEM vs. Aftermarket Undercarriage Parts: Which ...

    Choosing between OEM and aftermarket undercarriage parts requires evaluating performance, durability, and cost. KTSU aftermarket components utilize NITTO friction welding and CAD/CAM technology to match OEM standards while offering a...

  • How Can You Cut Undercarriage Costs in 2026?

    Reducing undercarriage maintenance costs is possible through consistent daily cleaning, maintaining correct track tension, and using high-quality components like sprockets. These measures help extend track roller life, prevent unexpected breakdowns,...

    How Can You Cut Undercarriage Costs in 2026?

    Reducing undercarriage maintenance costs is possible through consistent daily cleaning, maintaining correct track tension, and using high-quality components like sprockets. These measures help extend track roller life, prevent unexpected breakdowns,...

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Reliable Excavator Undercatrage solutions