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Tack offers a complete range of track rollers for both excavators and bulldozers. Bottom rollers for bulldozers have a large running surface due to mobile working. Tack rollers are produced with high-quality steel and special heat treatments to make excavator and dozer rollers extra tough and thus wear-resistant . The bottom rollers have a larger oil reservoir, so that the roller can be cooled sufficiently, our production is finished with precision tools, high-grade seals and bronze bushings to greatly improve oil leakage problem. Based on all the strict requirements in production we can guarantee a long service life , even with intensive use or in extreme working conditions.
| Caterpillar Bulldozer Track Roller D5M/D5N | ||
| Model No. | D5M D5N | D5M D5N |
| Type | Single Flange | Double Flange |
| OEM NO. | 124-8237,7G4836 | 124-8240,7G4837 |
| Material | 50Mn | 50Mn |
| Technique | Forging | Forging |
| Mounting Distance | 298.7*88.9*Ø18 | 298.7*88.9*Ø18 |
| Weight | 34KGS | 36.8KGS |
| 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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