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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  • The True Cost of Undercarriage Ownership

    The true cost of undercarriage ownership is not the invoice for parts — it is parts plus labor plus downtime plus fuel, divided by the hours the machine actually works....

    The True Cost of Undercarriage Ownership

    The true cost of undercarriage ownership is not the invoice for parts — it is parts plus labor plus downtime plus fuel, divided by the hours the machine actually works....

  • How an Excavator Undercarriage Works

    An excavator undercarriage works by turning drive torque into traction at the sprocket, carrying that torque through the track chain, and transferring the machine's weight and digging forces to the...

    How an Excavator Undercarriage Works

    An excavator undercarriage works by turning drive torque into traction at the sprocket, carrying that torque through the track chain, and transferring the machine's weight and digging forces to the...

  • Excavator Undercarriage Parts Explained in One ...

    An excavator undercarriage is the load-bearing running gear beneath the machine: the track chain, bottom track rollers, carrier rollers, front idler, drive sprocket, track shoes, and the tension adjuster that...

    Excavator Undercarriage Parts Explained in One ...

    An excavator undercarriage is the load-bearing running gear beneath the machine: the track chain, bottom track rollers, carrier rollers, front idler, drive sprocket, track shoes, and the tension adjuster that...

  • Track Roller vs Carrier Roller vs Front Idler v...

    Track rollers carry the machine on the ground, carrier rollers guide the return run on top, the front idler holds track tension and alignment at the front, and the sprocket...

    Track Roller vs Carrier Roller vs Front Idler v...

    Track rollers carry the machine on the ground, carrier rollers guide the return run on top, the front idler holds track tension and alignment at the front, and the sprocket...

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Reliable Excavator Undercatrage solutions