Heel rack strikes loader cab, detaching it from carrier

Safety Alert Type: 
Yarding and Loading
Port Alberni Forest Operation (WFP)
Date of Incident / Close Call: 
Company Name: 
Western Forest Products Inc.
Details of Incident / Close Call: 

On some models of log loaders the potential exists for the heel rack to strike the cab when the stick is pulled in and the boom is raised to its highest position. This can result in varying degrees of machine damage from cosmetic, to catastrophic failure of the cab bolts, as in this incident (see attached pdf for photos).

The regular operator was aware of this potential hazard; there was a failure to pass this information off to other operators.

This machine originally was equipped with a button top attachment, and was later equipped with a Madill heel rack and grapple by its previous owners. Consultation with the manufacturer has identified that this was an issue with their 2850 model, but not with the larger 3800.

This machine has now been modified to eliminate this potential hazard from happening again by cutting a portion off of the ear of the heel rack as well as attaching the cab bolts in a manner used in the newer models of this machine.

Learnings and Suggestions: 


Learnings & Suggestions:

  • Owners and operators should be familiar with and share any information about particular machines that could result in damage or injury
  • When working in tight areas, take the time to make sure your equipment is in the best/safest position to perform the task at hand
  • All owners should check with the manufacturer before using attachments that were not originally installed on their equipment


For more information on this submitted alert: 

For more information contact: Mark Bryson, Production Supervisor (250) 720-1776

File attachments
Heel rack strikes loader cab, detaching it from carrier.pdf
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