This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of large crawler cranes. This standard applies to hydraulic crawler cranes with a maximum lifting capacity of 140 to 300t and powered by internal combustion engines. The working levels of the crane are A1 to A3. The working levels of the mechanisms are: lifting and luffing mechanism M3; slewing mechanism M2; operating mechanism M1. Cranes with a maximum lifting capacity greater than 300t can also refer to the implementation.
JB/T 5318-1991 history
1991JB/T 5318-1991 Large crawler cranes Technical conditions