Bộ xích hoàn chỉnh (44 mắt) mã 272-6009 (tương thích 6Y1136, 8E4518, 9W3317, 7T2390, 7T5969) dành cho máy ủi Caterpillar (CAT) các dòng D8R, D8N, D8T, D7R, D7G, D7H; bước xích 215,9mm; loại xích kín có bôi trơn, bản xích một gân; hàng thay thế chuẩn OEM cho hệ thống gầm máy.
| Part Name | Track Chain Assembly Complete / Sealed Lubricated Track Group / Xích Comple |
| OEM Part No. (Chain) | 272-6009 · 2726009 | 6Y1136 · 6Y-1136 | 8E4518 · 8E-4518 | 9W3317 · 9W-3317 |
| OEM Part No. (Track Group) | 8E7700 | 9W3319 (Chain + Shoe Assembly) |
| Cross Reference | BERCO CR4525/44 · BERCO CR5873/44 · BERCO LH1091/44 · BERCO LH1427/44 · ITM G01080R0M00044 · ITM G01080R0Y00044 |
| Track Pitch | 215.9 mm |
| Number of Links | 44 Links per side (1 set = 44L + 44R) |
| Chain Type | Sealed & Lubricated (Oil Lubricated) — Extended Service Life |
| Track Shoe Part No. | 7T2750 | 9P2657 — Single Grouser Shoe |
| Track Bolt / Nut | Bolt: 6V1723 | Nut: 7G6442 |
| Bushing OD | ØR 79.3 mm |
| Pin OD | ØH 47.7 mm |
| Chain Width (External) | E 204.1 mm (External) | I 104 mm (Internal) |
| Weight (1 set / 2 sides) | Approx. 1,223 kg (chain only) per set |
| Compatible Models | D8R · D8N · D8T · D8H (verify) |
| Surface Hardness | HRC 52–58, Depth: 8–12mm |
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