... 12-30m, proper working temperature is -20-40°C.This products is a regular crane widely used at ... Workshop, Plant, Storage, yard,etcWorking conditionWorking tempreture:-25~40°C, Power Source:3PH,380V,50HZ or other under customer ... Drum Type or Line sliding contacting typeTechnical Data of mobil gantry crane: Lifting Heightt510Working GradeA5Spanm12-30Lifting Heightm6,9Travelling MechanismTravelling ...