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Tack company offers a complete range of single flange , double flange and heavy-duty rollers for both excavators and bulldozers from 0.8 to 100 tons. We produce all bottom rollers and top rollers based on OEM specifications. The production is finished on high-tech CNC machinery with precision tools, high-grade seals and bronze bushings . All the rollers are designed, engineered and produced in-house in our owned factory under rigid quality control measures to ensure product performance and reliability.
Komatsu Bulldozer Track Roller D275A-5 | ||
| Model No. | D275A-5 | D275A-5 |
| Type | SF | DF |
| OEM NO. | 17M-30-00220 | 17M-30-00330 |
| Material | 40mn2 | 40mn2 |
| Technique | Forging | Forging |
| Mounting Distance | / | / |
| Weight | 118.6KGS | 128.3KGS |
| Surface Hardness | 52-56HRC | 52-56HRC |
| Hardness Deepth | 8-12mm | 8-12mm |
Welding Operation | by ARC CO² welding | by ARC CO² welding |
| Machining Operation | CNC machine | CNC machine |
| Colors | Yellow or Black | Yellow or Black |
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