The Four-Steer Four-Drive Chassis is an omnidirectional mobile chassis from RealMan Robotics with in-place rotation and lateral travel capabilities. It has an 80 kg rated payload, a turning radius of 413 mm, and six or more hours of endurance. It supports SLAM navigation, dynamic obstacle avoidance, and battery hot-swap with auto-recharge for industrial logistics, commercial service, research, and embodied AI data collection.