Factory Sale D85ss Oil Track Chain Link Assy for Komatsu Bulldozer Undercarriage Parts

Factory Sale D85ss Oil Track Chain Link Assy for Komatsu Bulldozer Undercarriage Parts. Premium Alloy Steel Material: Uses 35MnB, 40Mn2, 40Cr steel for superior strength and wear resistance. High Hardness Heat Treatment: Links heat-treated to HRC 48-52; pins/bushings carburized with 1.5mm hardened layer. Forged One-Piece Structure: Links forged to eliminate porosity/cracking risks common in cast components. OEM Customization Available: Adjustable pitch, pin length, hole diameter based on customer drawings. ISO9001 Certified Quality: Certified ISO9001:2000 with strict IQC, DQC, IPQC, FQC, OQC controls. Rapid Delivery Options: 7-10 days for stock items; 15 days for custom orders. Comprehensive Warranty: 6-12 months warranty with technical support for mechanical defects.