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Span Charts and Technical Drawings

Altrac Fall Arrest Span Chart

click to enlarge the image below (separate PDF file will open - 50KB)
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  Altrac and Trac Trolleys  

All dimensions in mm

  • Green: denotes dimensions for 10 wheel trolley
  • Red: denotes dimensions for 6 wheel trolley
  • Blue: denotes dimensions for 4 wheel trolley

17 diameter hole for 500kg Trolleys
24 diameter hole Unrated Trolley


The above drawing contains details for three separate styles of trolleys:

Blue shows the basic 4-Wheel Trolley

Red shows the addition of two wheels (for a 6-Wheel Trolley)

Green shows the addition of six wheels to the basic (for a total of 10 wheels).


Endeavour Awards 2006 Innovative Product of the Year
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Contact Information for Bomac Engineering in Melbourne, Victoria Australia

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