Introduction Single flange roller and double flange roller is applied in special model of crawler excavators and bulldozers from 5T to 100T. Track rollers are widely applied in bulldozers and excavators like Komatsu, Hitachi, Kobelco and Hyundai etc. The double-cone seals and lubrication make track roller have longer working time and better performance under most working condition. Special heat treatment process is adopted to improve the hardness depth and crack resistance. The welding process includes conventional welding and welding friction. Catalog KOMATSUPC20; PC30; PC40; PC60-5; PC75; PC78UU; PC100-5; PC200-5; PC200-7; PC300; PC300-7; PC360-7; PC400; PC450; PC600; PC650; PC710; PC750; PC800; PC1250 HITACHIEX12; EX15; EX40; EX45; EX55; EX25; EX30; EX35; EX60; EX75; EX100; EX120; EX135; EX150; EX200; EX215; EX300; EX400; EX550; EX600; EX700; EX750; UE10; UE12; UE15; UE20; UE25; UE30; UE40; ZX10; ZX110; ZX120; ZX200; ZX250; ZX300; ZX330 JCBJS70; JS110; JS130; JS160; JS180; JS200; JS220; JS300; JS330; JS360; JS460 MITSUBISHIMS110; MS120; MS180; MS240; MS270; MS280; MS300 KOBELCOSK200; SK230; SK200-8; SK250-8; SK330; SK460; SK270; SK120; SK130-8; SK140; SK60-5; SK60; SK045SR; SK042-1; SK042-2; SK045 KATOHD250; HD450; HD700; HD900; HD900-7; HD1250; HD1250-7; HD1880 DAEWOODH07; DH08; DH10; DH55; DH80; DH110; DH150; DH220-5; DH258; DH300; DH320; DH450 HYUNDAIR60-5; R60-7; R80; R130; R250-9; R200; R225-7; R290; R305; R455 YANMARYC35; YC60; YC75; YC85; YC100; YC135 VOLVOEC55; EC210; EC240; EC290; EC360; EC140; EC700 BulldozerD3; D3C; D4D; D4H; D5; D5B; D5G; D6; D6D; D6H; D7G; D8R; D8N; D8K; D9R; D20; D31; D41; D50; D60 If you can't search model which you need in this catalog, please contact us. Welding friction process Packing FAQ Q1: Which delivery terms you can accept? A1: Normally, FOB. Q2: Which export port is your delivery? A2: Xiamen port. Q3: How can you ensure made business long-term and good relationship? A3: Keep good quality and competitive price to ensure our customers benefit. Q4: Which payment terms you can accept? A4: Normally, bank T/T, 30% deposit, 70% balance before shipment. Q5: Which countries you have exported? A5: We have exported to Russia, Malaysia, Thailand, Kuwait etc.Excavator Track Roller price website:http://www.xyexcavator.com/excavator-track-roller/