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D9L
Caterpillar
●CAT Drive Parts Bulldozer Undercarriage Parts Track Chain D9L Dozer Track Link 6T1279●
D9L track links
track bush material | 40Cr/40CrB |
| Surface Hardness | HRC52-58 |
| Core hardness | HRC30-38 |
| track pin material | 40Cr/45B |
| Surface Hardness | HRC52-58 |
| Core hardness | HRC33-36HB200 |
| Quench depth | 5-9mm |
| Developed scope (pitch) | 90-260 |



●CAT Drive Parts Bulldozer Undercarriage Parts Track Chain D9L Dozer Track Link 6T1279●
D9L track links
track bush material | 40Cr/40CrB |
| Surface Hardness | HRC52-58 |
| Core hardness | HRC30-38 |
| track pin material | 40Cr/45B |
| Surface Hardness | HRC52-58 |
| Core hardness | HRC33-36HB200 |
| Quench depth | 5-9mm |
| Developed scope (pitch) | 90-260 |


