... 50HzElectric components: Siemens or Schneider 12V Electric Winch Motor JM series electric winchThere are two type in this ... Large pull capacity mostly are applicable to port building, traction of shipyard, steel structure transport and assemble, disassemble, ... , lifting, disassembly, traction, assembly in construction company, mine, factory and so on. 12V Electric Winch Motor Quality guaranty:1. ...