... : 15~45Days Material: SteelApplication: For combine-harvester, mining machinery, excavator, bulldozer, scraper machanical, drilling machine, and special machinery, for Komatsu, Caterpillar, Kobelco, Hitachi, Sumitomo ... : Dry, sealed, polyurethane seals and lubrication type No.Heavy equipment(excavator,crane,bulldozer,dump truck,forklift)Pitch,Screw holeKomtsu 1PC40-7Track ...