
Heavy-Duty Excavator Gear Rack for Custom Forging Steel. Customized Dimensions: Length min 2000mm, Diameter min 300mm, Tolerance 0.01mm based on customer drawings. High-Strength Materials: Made from 42CrMo, 34CrNiMo6, or custom heat-treated alloy steel for durability. Advanced CNC Machining: CNC Gantry Milling achieves accuracy up to 0.01mm for precise transmission performance. ISO 9001 Certified: Manufacturing process certified under ISO 9001:2015 quality management system. Comprehensive Testing: Includes chemical components, UT, hardness, mechanical properties, and size inspection. OEM/ODM Services: Full customization available from samples or designs with logo printing options. Large Capacity Production: Annual capacity of 12,000 tons with casting range of 1500-50000kgs per piece.