Collection: All Products
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Carrier roller - Komatsu 20T-30-00050
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Carrier roller - Cat CR5595
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Track roller - Bobcat 7228629
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Track roller - Bobcat 6698047
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Track roller - Bobcat 6689371
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Track roller - Case 87480419
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Sprocket - Bobcat 7165109
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Sprocket - Cat 304-1916
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Idler - John deere AT493209
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Idler - Bobcat 7229101
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Idler - Bobcat 7240006
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Idler - JCB 332-P5842
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Idler - Bobcat 7233630
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Idler - Bobcat 6693238
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Idler - Bobcat 6698048
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Idler - Bobcat 6693237
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Track Roller - Hitachi 9066508
Vendor:KTSURegular price $55.00Regular price$10.00Sale price $55.00 -
Track Roller - Cat 178-7293
Vendor:KTSURegular price $99.00Regular priceSale price $99.00 -
Track Roller - Cat 117-5045
Vendor:KTSURegular price $99.00Regular priceSale price $99.00 -
Sprocket - Cat 124-3296
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Link - 203-D60
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Link - 190B
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Idler - John Deere ID2076
Vendor:KTSURegular price $0.00Regular priceSale price $0.00 -
Idler - Hyundai LH1137
Vendor:KTSURegular price $0.00Regular priceSale price $0.00
The Global Standard in Heavy-Duty Undercarriage Solutions
In the world of heavy construction and agriculture, downtime is the enemy. To keep fleets moving across the planet's toughest terrains, "standard" parts aren't enough. KTSU has redefined durability through a unique Sino-Japanese synergy, blending Japanese technical precision with world-class manufacturing efficiency. Explore our Full Inventory to see the difference.
1. Engineering Excellence: The KTSU Precision Advantage
At our 70,000-square-meter state-of-the-art facility, we don't just manufacture; we engineer reliability. By integrating advanced CAD/CAM design with cutting-edge production, we ensure every idler gear part and structural component stands the test of time.
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Advanced Welding: Utilizing NITTO friction welding and robotic CO2 welding for structural integrity.
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Precision Machining: CNC-processed surfaces that achieve superior hardness and deep-case durability for every roller track.
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Elite Sealing: Engineered to thrive in mud, rock, and extreme temperatures without failure.
2. The Complete Portfolio: One-Stop Undercarriage Mastery
With over 3,000 specialized items, KTSU provides a comprehensive ecosystem for your machinery. You can browse our categorized collections to find a high-quality track roller or Link and Chain assembly designed to fit seamlessly with global leaders like Caterpillar, Komatsu, and Bobcat.
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Carrier Roller: Featuring high-performance models like the Komatsu 20T Carrier Roller and the CAT CR5595.
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Track Rollers & Idlers: Robust solutions including the JCB track roller (87480419) and the heavy-duty Bobcat Idler (7240006). If you require an idler pulley replacement, our precision-cast idler pulley options offer unmatched service life.
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Drive & Traction: From our precision-engineered Bobcat Sprocket (7165109) to our durable Rubber track options, we ensure maximum power transfer.
3. Global Reach, Digital Efficiency
The KTSU brand is committed to a streamlined procurement experience. Through our digital platform, we empower international distributors and end-users with real-time access to pro-grade parts.
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Sino-Japanese Heritage: Leveraging Japanese technical excellence for a global market.
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Strategic Location: Our Kunshan-based hub ensures rapid logistics and competitive value.
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Quality Consistency: Rigorous QC protocols that guarantee "one-stop" excellence for every Link and Chain and Sprocket order.
4. Choosing Your Trusted Partner
When selecting undercarriage parts, durability and service life are the ultimate metrics. KTSU delivers parts defined by exceptional wear resistance and flawless fitment. Whether you are operating on a high-intensity job site or a remote farm, we provide the strength required to keep your heavy machinery moving forward across the toughest terrains worldwide.



















