Brown aluminum frame casement windows

A quick learner from Brea, CA says:
Truth symbol on part
Need left and right hand for 36.000 x 48.250 windows
Cogs are aluminum and have worn out!
Profile picture of Tom
Tom from SWISCO responded:
Can I see a few pictures of the operator itself removed from the window? That will give us a better idea of what you have and what can be used as a replacement. Thanks!
A quick learner from Brea, CA says:
Part numbers are as follows:
Crank assy 45352
Next arm part 31876
End part 40448
Back of crank assy says 12/18/00 made in USA
Problem is crank assy is not beefy enough to open large windows very many times. Appears to be not a very sturdy aluminum alloy.
Pictures attached
User submitted a photo of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Thank you. Please see our 39-220 and see if this can possibly work for you as a replacement.
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