Enclosed operator cabins have long been a challenge in underground coal equipment applications due to operator climate control requirements and de-fogging to avoid impeding visibility.  Complexities of flameproofing electronics such as climate control systems drive up the capital and maintenance cost of equipment.  

The necessity to provide an operator protection solution has become increasingly important with multiple customers battling debris on roadways.

Cougar Group engineers had to strike the right balance between requirements and design to provide an innovative solution to the market.  Key design characteristics include sustaining a 4 tonne point load in any direction on any section of the protection frames, no impact to ROPS/FOPS canopy certification, adequate clearance to mine infrastructure, bolt-on steel deflectors to minimise impact to window panes, maintaining operator visibility, tying into the park brake interlock system and allowing for machine egress in a scenario where the grader may be fully articulated.  

The design is retrofittable to existing graders in the field for any customers that are experiencing similar roadway debris issues.  The grader operator protection system is another example of Cougar Group’s innovation and engineering capabilities.