CATERPILLAR TRACK CHAIN 1020556 has been specifically designed for increased pin & bushing retention. Track link incorporates greater pin-to-link and bushing-to-link contact
areaswhile additional link wear material increases component life. Heavy Duty track chains are also available in the version with Extreme Wear Resistance Bushings for maximum life in high abrasion environment. Exclusive heat treatment gives links consistent surface hardness, superior hardened depth and strong core hardness.