Crane Hoist Specs: gantry
Crane and hoist load ratings, duty classifications, and design parameters for overhead bridge cranes (single/double girder, top running/underhung), gantry cranes, jib cranes, monorails, and electric chain/wire rope hoists. Covers CMAA Classes A-F, FEM/ISO mechanism groups M2-M7, safe working load, span, bridge/trolley/hoist speeds, design life, and load spectrum factor per ASME B30 series, CMAA 70/74, FEM 1.001, ISO 4301-1.
| crane type | record id | bridge speed fpm (ft/min) | bridge speed mpm (m/min) | cmaa class | crane subtype | deflection limit span ratio (dimensionless) | design life cycles (cycles) | fem iso group | hoist speed fpm (ft/min) | hoist speed mpm (m/min) | hook approach min in (in) | load spectrum factor (dimensionless) | notes | power hp (hp) | span ft (ft) | span m (m) | swl kg (kg) | swl tons (short tons) | trolley speed fpm (ft/min) | trolley speed mpm (m/min) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| gantry | GANTRY_10t_C | 150 | 45.7 | C | full_gantry | 888 | 500,000 | M4 | 20 | 6.1 | 9 | 0.5 | Full gantry; moderate service; bridge shop; precast concrete yard | 25 | 40 | 12.2 | 9,072 | 10 | 75 | 22.9 |
| gantry | GANTRY_20t_C | 200 | 61 | C | full_gantry | 888 | 500,000 | M4 | 25 | 7.6 | 9 | 0.5 | Full gantry; 60 ft span; container handling; heavy outdoor service | 60 | 60 | 18.3 | 18,144 | 20 | 100 | 30.5 |
| gantry | GANTRY_50t_D | 300 | 91.4 | D | full_gantry | 888 | 1,000,000 | M5 | 25 | 7.6 | 9 | 0.63 | Full gantry heavy service; shipyard assembly; large precast; nuclear plants | 150 | 80 | 24.4 | 45,360 | 50 | 125 | 38.1 |
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