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.

Learn More

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

Our Partner

1 18

Blog posts

View all

  • How to Match Komatsu Carrier Rollers?

    Matching Komatsu carrier rollers (top rollers) with track rollers (bottom rollers) requires aligning pitch, load rating, hardness profile, and sealing design to the excavator model and duty cycle. Correct pairing...

    How to Match Komatsu Carrier Rollers?

    Matching Komatsu carrier rollers (top rollers) with track rollers (bottom rollers) requires aligning pitch, load rating, hardness profile, and sealing design to the excavator model and duty cycle. Correct pairing...

  • Why KTSU Undercarriage Lasts in Mining?

    KTSU undercarriage components deliver heavy-duty durability in severe-duty mining by combining deep-case heat treatment, precision friction welding, robust sealing, and tight machining tolerances. In KTSU’s Kunshan validation programs, rollers, idlers,...

    Why KTSU Undercarriage Lasts in Mining?

    KTSU undercarriage components deliver heavy-duty durability in severe-duty mining by combining deep-case heat treatment, precision friction welding, robust sealing, and tight machining tolerances. In KTSU’s Kunshan validation programs, rollers, idlers,...

  • How to Extend KTSU Track Chain Life?

    Maximizing wear life of KTSU track chains and link assemblies on forged track rollers depends on matching hardness profiles, maintaining correct tension, and ensuring seal integrity. In KTSU field testing,...

    How to Extend KTSU Track Chain Life?

    Maximizing wear life of KTSU track chains and link assemblies on forged track rollers depends on matching hardness profiles, maintaining correct tension, and ensuring seal integrity. In KTSU field testing,...

  • How to Choose Komatsu Carrier Rollers?

    Premium high-load carrier rollers for Komatsu excavators reduce chain misalignment, minimize bushing wear, and extend undercarriage life when matched to duty cycle and hardness profile. The right top roller combines...

    How to Choose Komatsu Carrier Rollers?

    Premium high-load carrier rollers for Komatsu excavators reduce chain misalignment, minimize bushing wear, and extend undercarriage life when matched to duty cycle and hardness profile. The right top roller combines...

1 4
View all

Reliable Excavator Undercatrage solutions