... ,Material:40Mn2 4,Warranty:6 months Kobelco excavator parts,excavator chain SK200 1,Product's Information BrandXJMaterial40Mn2TechnologyForging/CastingHardnessHRC 52-56, depth ... , idler, link assembly, track shoe, high strength bolt and nut, bucket pin and bushing etc.Production Line:3,Packing:Fumigation wooden ... R290 R220 R320 YC35YC85 SWE65 SWE70 Kobelco excavator parts,excavator chain SK200