A pair of master track links includes one master track link that has a rail portion that defines a length that is greater than 80% of the length of the body of the master track link.

A track link comprises a body defining a top surface, a bottom surface, a first side surface and a second side surface, a proximate end and a distal end, a first bore adjacent the distal end defining a first longitudinal axis and a second bore adjacent the proximate end defining a second longitudinal axis; wherein either the first bore or the second bore is a blind bore, forming a counterbore configured to house a seal assembly and the counterbore defines a wall that forms an angle with the longitudinal axis of the bore that is greater than zero degrees.

A clamping master track link comprises a body that defines a first bore and a second bore, a first aperture disposed between the first bore and the second bore, a second aperture disposed between the first aperture and the second bore, a first strut with a first gap disposed between the first aperture and the second aperture, a second strut with a second gap disposed between the first aperture and the first bore, and a bridge disposed between the second aperture and the second bore.

A pair of master track links comprises a first master track link including a first body, wherein the first body defines a first bore and includes a first interface region including a plurality of teeth wherein at least one tooth of the plurality of teeth includes a free end and a crown defining a crown width proximate the free end of the at least one tooth, the at least one tooth also includes a root disposed opposite the crown defining a root width; and the crown width is greater than the root width.

An articulated chain assembly includes standard links, a master link, and pins pivotably coupling together the standard links and master link. The master link includes a first half link and a second half link, and bolt holes extending through the first half link and the second half link. A first bolt is within a first one of the bolt holes and has a necked-down bolt shank defining a lesser necked-down axial length. A second bolt is within a second one of the bolt holes and includes a necked-down bolt shank defining a greater necked-down axial length. The first bolt and second bolt may have unequal full axial lengths.

A track chain assembly comprises a plurality of track links connected to each other by either a track pin or a track bushing, a first master track link including a first interface region including a plurality of teeth, a second master track link including a second interface region including a plurality of teeth, and the first interface region and the second interface region are configured such that the plurality of teeth of both the first master track link and second master track link are configured to share substantially the same load when the track chain assembly is in use.

A track link comprises a body defining a top surface, a bottom surface, a first side surface and a second side surface, a proximate end and a distal end, a first bore adjacent the distal end defining a first longitudinal axis and a second bore adjacent the proximate end defining a second longitudinal axis; wherein either the first bore or the second bore is a blind bore, forming a counterbore configured to house a seal assembly and the counterbore defines a wall that forms an angle with the longitudinal axis of the bore that is greater than zero degrees.

A clamping master track link comprises a body that defines a first bore and a second bore, a first aperture disposed between the first bore and the second bore, a second aperture disposed between the first aperture and the second bore, a first strut with a first gap disposed between the first aperture and the second aperture, a second strut with a second gap disposed between the first aperture and the first bore, and a bridge disposed between the second aperture and the second bore.

A flexible thrust washer member comprises a body including an annular skirt portion that defines an outer diameter and a central aperture having an inner diameter, wherein the body has a conical configuration that defines a conical axis and a radial direction and the outer diameter of the annular skirt portion is spaced away from the central aperture along the conical axis and along the radial direction, defining an axial dimension and a radial dimension and the body defines at least two slits that separate the annular skirt portion into a plurality of fingers.

A method for manufacturing a master track link comprises machining a rough tooth profile using a milling process, and machining a finished tooth profile using a milling process.