The shipunloader model Mersea 5000A is designed to unload the bulk material (cement, fly-ash, grain…) from ships or barges up to 5000 dwt., and then to convey this bulk to the truck loading station equipped by 2 (Two) loading spouts, to belt-conveyors, to screw-type-conveyors or to a pneumatic system. The unloader is a system of screw conveyors.