The document discusses the rocker-bogie suspension system, which was developed by NASA and JPL for use in space exploration rovers. It has since been used successfully on Mars rovers like Pathfinder, Spirit, Opportunity and Curiosity. The system allows rovers to climb over obstacles nearly twice the wheel diameter. It works by allowing independent wheel motion through linked rocker arms and bogies. The study aims to analyze if this system could benefit heavy loading vehicles on Earth by improving efficiency and reducing maintenance costs over conventional suspensions. It details the mechanics and modeling of the rocker-bogie system and shows how it allows stable, balanced motion over rough terrain at slower speeds.