Multi-purpose containers, hooks, grab job portal crane MQ5035-S model for the mobile propeller, four-link Arm, ... door frame, container, hook, grab operation of the multi-purpose portal crane.This machine uses AC frequency control, PLC control, and equipped ... unloading of inland and coastal ports. Lifting CapacityHook working50t(hook)40t(grab bucket)Max. wind speed of work20 m/sWorking RangeMin ...