1.Bulldozer track link 2.PITCH:101-228mm 3.Surface hardness:HRC52-6 ... : SteelApplication: For combine-harvester, mining machinery, excavator, bulldozer, scraper machanical, drilling machine, and special machinery, for Komatsu, Caterpillar, Kobelco, Hitachi, Sumitomo ... (43L,P175)16.5mm54D50Track Link(47L,P175)16.5mm Bulldozer track link