Excavator Chains EX200-5 EX120-3 High Wear Resistance Track Chain Assembly for Komatsu/Cat
Designed for mainstream models like CAT 320D and Komatsu PC200, our excavator chains (Models: EX200-5, EX120-3) feature alloy steel forging and heat treatment, achieving hardness of HRC45-50 and tensile strength over 1100MPa. Each chain is precision CNC-machined with ≤0.1mm tolerance for perfect sprocket engagement. Ideal for heavy-duty mining and construction, lifespan exceeds standard products by 40%. We provide OEM customization and original dimension drawings verification. Monthly capacity: 20,000 units. Global shipping via DHL/UPS with 15-day delivery guarantee.
| Model Name | Bulldozer track link,track chain |
| Materil | 40Mn2 |
| Hardness HRC | 53-56 |
| Color | Black or Yellow |
| Machine type | Bulldozer,excavator,crane |
| Warranty | 12 months |
| Technique | Froging/Casting |
| Hardness Depth | 6-8mm |
| Usage | bulldozer undercarriage part |