The main technical parameters of honeycomb-girder gantry crane Item type MGhz20 MGhz30 MGhz60 MGhz80 MGhz90 MGhz50+50 MGhz80+80 Lifting capacity(t) 20 30 60 80 90 50+50 80+80 Net height(m) 7 7 7 7 7 12 40 Span (m) 18 18 18 18 18 24 20 Crane moving speed (m/min) 8 8 8 8 8 10 20 Trolley moving speed (m/min) 6 6 6 6 6 8 8 Trolley lifting speed (m/min) 1 1 1 1 1 1 1 Power (kw) 16 21 55 60 60 60 80