Komatsu 205-70-72130 Arm Linkage Bushing – Heavy Duty Steel Construction for PC200 PC210 PC220 Excavators

This 205-70-72130 arm linkage bushing is a premium aftermarket replacement component engineered specifically for Komatsu excavator models including PC200, PC210, PC220, and PC228 series. Manufactured from high-grade 40Cr alloy steel with advanced heat treatment, this bushing delivers exceptional durability and performance in demanding construction environments.

Key Features & Benefits:

• Precision Engineering: Exact OEM specifications with 80mm inner diameter, 95mm outer diameter, and 95mm length for perfect fitment

• Superior Materials: 40Cr alloy steel construction with HRC 48-52 hardness rating ensures extended service life

• Advanced Heat Treatment: Deep quench hardening provides superior wear resistance and load capacity (1000 MPa tensile strength)

• Critical Application: Essential pivot point bushing for arm/dipper to bucket linkage assembly

• Quality Assurance: Manufactured to meet or exceed OEM standards with comprehensive quality testing

• Easy Installation: Direct replacement design requires no modifications to existing linkage components

Compatible Komatsu Models:
PC200-5/5C/5Z, PC200-6/6H/6S/6Z, PC200CA-6, PC200LC-6H/6Z/-7, PC210-6/6D/LC-6G, PC220-5/6Z/LC-6/6Z, PC228US-1/3/LC-2J, PC250-6/HD-6Z/LC-6, PC300SC-6, and additional models.

Technical Specifications:

• Inner Diameter: 80mm | Outer Diameter: 95mm | Length: 95mm

• Flange Diameter: 125mm | Flange Thickness: 22mm

• Weight: 4.2kg | Material: 40Cr Alloy Steel

• Hardness: HRC 48-52 | Tensile Strength: 1000 MPa

This critical linkage component ensures smooth operation of your excavator’s digging cycle while maintaining structural integrity under extreme loads. Perfect for fleet maintenance, emergency repairs, or scheduled overhauls.