زنجیره ریل برای بیل مکانیکی Kobelco SK55SR-6、SK60-3/SK60-5/SK60-8、SK100-3、SK120-3/SK120-5、SK140LC-8、SK200-5/SK200-6/SK200-8/SK200-10、SK210LC-8/SK210LC-10、SK235SR-2、SK250-8、SK260LC-8、SK330-8、SK350-10、SK460-8、SK480-10

1. Product Overview
Our Kobelco Track Chain / Track Link Assembly is core undercarriage spare part for Kobelco crawler excavators, strictly produced per original OEM drawing and dimensional standard, fully interchangeable with genuine Kobelco parts without any modification. Adopts sealed & lubricated oil chain structure, effectively reduce internal friction, anti-abrasion, anti-breakage, perfectly adapt to mining, construction, quarry, mud, rock and other harsh working conditions.
2. Core Advantages
✅ High-Strength Alloy Material: Adopt 35MnB / 40Cr forged steel, overall die forging forming
✅ Deep Heat Treatment: Surface quenching hardness HRC 52-58, quenching depth 8-12mm, service life 30% longer than ordinary cast chain
✅ OEM Standard Precision: 1:1 restore original size, pin & bushing high precision matching, no derailment, no loose elongation
✅ Sealed Lubricated Design: Oil lubricated track chain effectively avoid dust & mud erosion, greatly lower maintenance frequency
✅ Full Model Coverage: Cover mini to large tonnage Kobelco excavator, complete OEM part numbers available
✅ Export Standard Package: Fumigated wooden pallet packing, seaworthy, suitable for sea & land long-distance transportation