Cranes and Components / Double Girder End Trucks
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Double Girder Underhung Motorized End Trucks

Finding Real World Solutions

Harrington MUM end trucks offer the same benefits of the UM underhung motorized single girder series, but in a compact, double girder configuration. Unique for double girder cranes, these end trucks offer the dimensional advantage of an underhung crane combined with a top running trolley.

Heavy-Duty Drives

Drives are designed for crane service, with a 30 minute rating and feature cooling fins for efficient heat dissipation.

UNDERHUNG SPACE SAVING DESIGN

Get the most out of your space by using our underhung end trucks to move heavy-duty, class "C" cranes.

Side Guide Rollers and Rubber Bumpers

Unique side guide rollers reduce wheel friction and allow smooth crane travel and rubber bumpers are included.

CAPACITY/SPAN
  • 2 - 5 Ton - Up to 50' Span
SERVICE CLASS
  • Class C
COMPLIANCE
  • Crane Manufacturers Association of America (CMAA),
  • National Electric Code (NEC) and the American National Standards Institute (ANSI/ASME)
END TRUCKS INCLUDE
  • Two fully painted trucks
  • Two sealed, totally enclosed, non-ventilated (TENV) motors with adjustable D.C. brakes
  • Two helical gear reducers
  • Rubber bumpers
  • Bridge beam fastener set
  • Bridge fabrication prints
BODY
  • Girder connection, bracing and collector mounting bracket holes are pre-drilled for easy installation
  • Standard 36" gauge
  • Integrates with most top running, double girder trolley hoists
  • Designed for use with the low profile Harrington Max-E-Lift trolley hoist for the ultimate low-crane profile
DRIVES AND BRAKES
  • Sealed TENV drives with quiet, smooth–operating helical gear reducers
  • Gear reducer is designed for easy field conversion between L and S speeds
  • Drives are designed for crane service, with a 30 minute rating and feature cooling fins for efficient heat dissipation
  • Drives are connectable for 230/460V-3-60
  • Thermal motor protection
  • Externally adjustable D.C. brakes allow controlled deceleration — adjustable up to 50% of rated motor torque
  • Drives and brakes are compatible with Electronic Acceleration Control (EAC) and Variable Frequency Drive (VFD)
OPTIONS
  • Longer or shorter end truck lengths
  • Other gauges
  • Other voltages