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  /    /  DFW II end carriages
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DFW II end carriages

Solutions ready for connection to cranes and other load-bearing structures

Solutions ready for connection with proven Demag quality for cranes and other load-bearing structures

Demag DFW II end carriages are compact rail-mounted travel units with variable options for connection to crane girders and other load-bearing structures. The end carriages consist of a torsionally rigid box-section profile, Demag DRS wheel blocks, and Demag geared motors. DFW II end carriages can be used for all single-girder and double-girder overhead travelling cranes. To meet your specific needs, our two-wheel and four-wheel end carriages can be combined with Demag drives to offer the performance you need to achieve travel speeds up to 40 m/min (380–400 V) or 48 m/min (480 V). New connection possibilities can increase the wheel base and offer more solutions for your needs.

Our high-quality two-stage pole-changing motors not only deliver enough power, but also provide your crane with outstanding travel characteristics – also with heavy loads. The resulting precision when driving the crane is characterized by powerful starting and perfectly accurate stops. More efficiency for your material handling.

A broad variety of options complement the end carriage: derailment catches, storm protection, rain covers, buffer extensions and rail sweeps all ensure that the crane will continue to work and can also extend its service life.

Demag DFW II end carriages – helping you maximize your operating safety and reliability.

  • Long service life thanks to the globally recognized quality of our drives
  • Optimum travel characteristics
    • Powerful starting thanks to matching drive solutions
    • Two-stage long travel
  • Larger wheel base for greater flexibility
  • Suitable for special applications
    • Extreme ambient conditions
    • Slow long-travel motion, e.g. 2 m/min
    • Better solution for ambient temperatures higher than +45°C
    • Better solution for hazardous environments, e.g. pickling plants, electroplating, heavy dust production
  • High operating safety and reliability
  • Easy assembly and good accessibility
  • For all Demag single-girder and double-girder overhead travelling cranes, as well as for other load-bearing structures – when two-stage pole-changing travel drives are the best solution
    • For load capacities up to 50 tonnes and spans up to 35 metres
  • Base standard for the steel structure dimensions: EN 13001

Product information

The benefits at a glance

Cost-effective, safe, and reliable system operation

  • Ready for installation for a wide range of operating conditions
  • Torsionally rigid box section with continuous, heavy gauge side plate
  • Reinforced connection with welded diaphragm plates
  • Steel structure specified to DIN 15018, lifting class H2, loading group B3
  • Base standard for the steel structure dimensions: EN 13001

Excellent travel characteristics

  • Smooth running characteristics thanks to high self-damping effect of travel wheel material
  • High wheel loads
  • Long service life
  • Anti-friction bearings sealed against dust and lubricated for life
  • Reliable connection between travel wheels and shafts thanks to splined shaft profile
  • Minimum wear on travel wheels and crane runway rails thanks to self-lubricating effect of spheroidal-graphite cast iron

Easy assembly and good accessibility

  • Prepared for connection to superstructures such as crane girders and other mobile structures
  • Precise position of the travel wheel axes in relation to the connecting surfaces thanks to machining in a NC machine tool
  • Easy replacement thanks to reproducible connection geometry
  • Simple adjustment of span dimensions by replacing spacer elements
  • Wear indicator for travel wheels

Tailored drive solutions

  • Various sizes for all output requirements
  • Pole-changing cylindrical-rotor brake motors for travel speeds up to 40/10 m/min (380–400 V/50 Hz) or 48/12 m/min (480 V/60 Hz)
  • Type of enclosure: IP55
  • Connection type: integrated plug-and-socket connections on motor side (DMR)
  • GF or GP brake rectifier/switching element included depending on brake size
  • Conformity with VDE electric standard as standard; CSA optional
  • Insulation class F


Demag DFW-L travel units