Mobileboathoistisakindofdedicatedhoistingmachinerywhichisusedtoupanddownwaterworkofboatandleveltransportation, mainusedtoportsandsharvesalongthecoastetc.cranetravelingmechanismadopttostructureofwheelandcanachieve360turnandrunamuckandrundiagonally.completemachineiscontrolledbyhydraulicandelectricequipment.compactconstruction, safeandreliable.specifications1. Capacity:20300t 2. Ground specific pressure:6.511.5kgcm23. Grading ability: 2%4%4. Lifting speed: full load: 02mmin; non-load: 05mmin5. Running speed: full load: 020mmin; non-load: 035mmin6.working ambient temperature: -20+50