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Frogs - Moveable Point Frogs (MPF)

voestalpine Nortrak’s Moveable Point Frogs add a second throw device to a turnout and are economically viable in high density traffic. They provide impact elimination, noise reduction, very low maintenance and long life because of the continuous running surface.

  • Proven in the worlds’ heaviest traffic situations
  • The lowest maintenance cost of any frog
  • Impact reduction eliminates the need for weld build-up
  • Controls and resists the problem of thermal stress in CWR
  • Made in North America for heavy haul traffic
  • Standard designs in 132, 133 and 136 lb. sections
  • Amtrak and UPRR designs