Patent ID: 8540325

Claim:
An inboard track link for coupling with an outboard track link via a cartridge pin to form a chain assembly in a ground engaging track, the inboard track link comprising: an elongate link body including an outboard and an inboard side, a link end, and having a bore formed therein which extends between the outboard and inboard sides and has a longitudinal bore axis; the bore being defined by unhardened material of the link body, and configured to receive therein an inner track seal positioned within an inboard collar of the cartridge pin; and the link body further having a seal region adjacent to the bore, and an inboard face for protecting the inner track seal, the inboard face including a hardened sacrificial wear material and being positioned radially outward of the seal region and axially inboard of the bore, to contact a projecting step on a rotatable track engaging element guiding or driving the ground engaging track such that impingement of the rotatable track engaging element upon the seal region is inhibited.