This standard specifies the terms and definitions, basic requirements, system hardware, system software, rated lifting capacity limiter, motion limiter, display and indicator, event recorder, data recorder, and test methods for mobile crane torque limiters. , inspection rules, inspection, maintenance, operating instructions and operator training and marking, packaging, transportation and storage. This standard applies to truck cranes, all-terrain cranes, crawler cranes, and tire cranes. Other mobile cranes can be implemented as a reference. This standard does not apply to models modified for use in excavation and other non-lifting operations.