Air-powered crawler legs for safe and efficient movement of heavy loads offshore and onshore. The system is designed for controlled transport of equipment, modules and structures in workshops, shipyards and industrial environments, with a total load capacity of up to 30 tons. The transport set consists of air-powered crawler legs, a control unit with emergency stop function and a hose reel with air hose for flexible and safe operation. The compact solution makes the system well suited for use in confined spaces where precise maneuvering is required