This video will explain the low and high gear ratios achieved through the movement of the sun gear in the carrier housing assembly. This is built on the basic principle of planetary gear sets.
This video was made for training of technicians using cutaway photos, training aids or shop space of The Southern Alberta Institute of Technology. This video is made to be an open resource for the instruction of the Heavy Equipment Industry and can be used for said purpose and may not be duplicated for commercial distribution or retail.