Sumitomo SC650-3 Bottom Roller Assy

Sumitomo SC650-3 Bottom Roller Assy Product Description Crawler Crane Undercarriage Parts Track Roller/Bottom Roller/Lower Roller 1).Warranty: One Year/1800-2000hours 2). Accept : OEM OR Drawing 3).Certificate:ISO9001:2008 ;ISO1004:2004 4) Sumitomo SC650-3 Bottom Roller Material: 40Mn2 5) Technique:Forging 6)Crawler Crane Undercarriage parts includes: Track shoe, Track Roller, Top Roller, Sprocket, Idler,Pin, Track Chain. 7)For Machinery: Bottomer Roller For Crawler Crane