Boom assembly and platform for tracked feller buncher machine

摘要

A timber harvesting machine including a chassis supported by endless tracks. A platform is mounted on the chassis. A platform is rotatable on the turntable in an annular bearing race on the turntable. A boom is mounted on the platform and includes a main boom mounting pin which is pivoted on one side of the axis of rotation of the platform. A boom actuating cylinder has a mounting pin which is mounted on the other side of the axis of rotation and directly over the annular bearing race regardless of the rotational position of said platform relative to said turntable.