Time: 2025-08-27 14:31:02
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A deep dive into track and bottom rollers for optimal machine performance.
At the heart of any excavator's mobility and stability are its undercarriage components. These parts, often working in harsh, demanding environments, are crucial for the machine's overall productivity and lifespan. Among these, the track rollers (also known as bottom rollers) are essential. They bear the machine's immense weight, support the track chain, and ensure smooth, stable movement across various terrains. We at Tonkee Machinery Co., Ltd. understand the critical role these parts play and specialize in providing high-quality, durable solutions for leading brands like KOBELCO and Hitachi.
For decades, KOBELCO and Hitachi have been synonymous with reliability and performance in the construction and earth-moving industries. Their excavators are engineered to tackle the toughest jobs, and to maintain this high standard, using genuine or high-quality aftermarket undercarriage parts is non-negotiable. Our expertise lies in matching the right roller to the right machine model, ensuring perfect compatibility and peak performance. The proper track roller not only extends the life of the track chain but also reduces operational downtime, ultimately boosting your project's efficiency.

A failing track roller can lead to a domino effect of problems—from increased friction and wear on the track chain to premature failure of other undercarriage components. This is why investing in high-quality rollers is a smart, long-term decision. Our products are manufactured to strict quality standards, using robust materials and precision engineering to withstand the immense pressures of daily operation. We have a wide range of rollers that fit various models, from smaller excavators like the KOBELCO SK60 to heavy-duty machines like the SK300 and Hitachi EX220.
To help you easily identify the correct part for your machinery, we have compiled a detailed list of KOBELCO and Hitachi track and bottom rollers. This organized information provides the model compatibility and corresponding part numbers, making it simple to find what you need. Each part number is unique and represents a specific design tailored to a particular excavator series, ensuring an exact fit and optimal function.
| No. | Model Compatibility | Part Number | Description |
|---|---|---|---|
| 1. | KOBELCO SK300-2, SK300-3 | 24100N7032F1 | Bottom Roller / Track Roller |
| 2. | KOBELCO SK300-1 | 24100N3856F3 | Bottom Roller / Track Roller |
| 3. | KOBELCO SK200-5, SK200-6 | YN64D00013F1 | Bottom Roller / Track Roller |
| 4. | KOBELCO SK200-2, SK200-3 | 24100N8009F2 | Bottom Roller / Track Roller |
| 5. | KOBELCO SK220-1 | 24100J11696F3 | Bottom Roller / Track Roller |
| 6. | KOBELCO SK200-1 | 24100N5947F2 | Bottom Roller / Track Roller |
| 7. | KOBELCO SK100-1, SK120-1 | 24100N4042F2 | Bottom Roller / Track Roller |
| 8. | KOBELCO SK60-2 | 24100N6292F2 | Bottom Roller / Track Roller |
| 9. | Hitachi EX200-5 | 9134243 | Track Roller |
| 10. | Hitachi EX200-2, EX220-3, EX200-3 | 9132602 | Track Roller |
| 11. | Hitachi EX220-1, UH09-7 | 9114618, 9066509 | Track Roller |
| 12. | Hitachi EX200-1, UH07-5 | 9114617, 9066510 | Track Roller |
| 13. | Hitachi EX150-1 | 9114616, 9066691 | Track Roller |
| 14. | Hitachi EX120-2, EX120-3, EX120-5 | 9092522 | Track Roller |
| 15. | Hitachi EX100-2, EX100-3, EX100-5 | 9132600 | Track Roller |
Maintaining your undercarriage is a vital part of equipment management. Regular inspections and timely replacement of worn parts like rollers can prevent costly major repairs and keep your excavators operating at peak efficiency. With our commitment to quality, Tonkee Machinery Co., Ltd. is your trusted partner for all your undercarriage needs. Our extensive inventory and expert knowledge ensure you receive the right parts, every time, to keep your machinery running smoothly and powerfully.
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