Ordering information: 1.The tabulated values are calculated on the basis of indoor cranes with closed type control cabins, following values are used foroutdoor cranes:(1)To increase 420mm to H,(2) To increase 800kg to crane total weight. 2.lifting height may be selected from the following values: 10、12、14、16、18、20、22、24、26、28、30m. 3.The self-weight of trolley:20251kg(Ⅰtype),20830kg(Ⅱtype)。