Upgrading shiploading terminals was the subject of a recent paper by Rulmeca Corporation. The Burlington Northern Santa Fe Railroad's Allouez Dock near Superior, Wl, and the CN Wisconsin Central's Ore Dock in Escanaba, Ml, both upgraded their 40-year-old crawler-mounted bucket wheel machines by installing Rulmeca Motorized Pulleys. The compact Motorized Pulleys minimized structural modifications and the hermetically sealed design has promised a long service life in spite of the harsh operating conditions imposed by the abrasive taconite pellets and corrosive port environments.
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