... door frame, container, hook, grab operation of multi-purpose portal crane .This machine uses AC frequency control, PLC control, and fitted ... and reliable, high performance, easy maintenance, durable, can be used in inland and coastal port handling operations.Parameters of MQ4032-S ... ModelsQU70MotorA7405kWPowerAC380V 50HzWheel Base/ Track13m/10.5mWeihgt405t Heavy-loading 40T Portal Crane Made in China