Seatrax, Inc. Offshore Crane Parts Parts. As an OEM distributor of Seatrax and SeaKing parts, Seatrax Parts personnel are dedicated in providing not only quality parts but also excellent continuous customer service. Our Parts staff can answer questions 24/7 and can locate parts quickly and efficiently. SeaKing (OS) - Crane Spare Parts Seaking Crane parts are shipped worldwide for both new crane models and older crane types. Crane engineers are available to work on Seaking offshore cranes, for planned maintenance, voyage repairs, dry dockings, crane maintenance, crane inspections and all other types of seaking crane assignments.