Importance

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Abstract

Disclosed herein is an example track pad having a ground-contacting portion for use in a track-based machine to propel and support the machine across a supporting surface. The track pad may be a track pad that forms a link of a chain forming the track for the track-based machine. The track pad includes a cast body formed of a first alloy steel having a first strength and toughness. The track pad includes a roll path that contacts a roller of the track-based machine. The roll path is hardened through an induction hardening process to achieve a hardness level at a depth of 32 millimeters or more from the surface of the roll path. The roll path is shaped and positioned to contact rollers of the track drive assembly and thereby reduce wear and fatigue on the track pad as a result of contact and force transferred through the roller.

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First Claim