A chain assembly having a retention feature is disclosed. The chain assembly may be used in conjunction with a mobile machine and may include a pair of track links and a track link connector. The track link connector may have an elongate, substantially cylindrical body having a length dimension and having a substantially annular exterior surface and first and second opposing end portions. The first end portion may be inserted into a bore of one of the track links and form an interface therebetween. The interface may have an axial length. The track link connector may further have a retention feature extending 360 degrees around a circumference of the exterior surface of the body at the interface. The retention feature may be a roughened surface and may cover a first portion of the interface closest to a center of the cylindrical body.