主要由太阳轮、行星轮、内齿圈、行星架、轴承、浮动密封装置和滚筒联接盘等组成。
19MJ0206-3心轴,19MJ0206-4内齿圈,19MJ0206-4C内齿圈,19MJ0206-6行星架,19MJ0206-6C行星架,19MJ0206-7轴承座,19MJ0206-7A轴承座,19MJ0206-7C轴承座,21MJ0204行星机构,21MJ0204-1大齿轮,21MJ0204-3连接盘,21MJ0204-8行星架,21MJ0204-9齿圈,21MJ0204-13太阳轮,21MJ3101行星机构,23MJ0103行星机构,23MJ0103-2轴承杯,23MJ0103-12行星轮,23MJ0103-13行星轮轴,23MJ0103-15内齿圈