Need help replacing old operator

A quick learner from USA says:
Can you replace this old operator?
User submitted a photo of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Looking at your photo it appears that you have an old style casement operator that mounts into the window sill. We don't have your exact shape or size, but take a look at our 39-021 and 39-520 track. This hardware is the closest solution we have. You might need to retro fit it, but it's worth considering. Let me know what you think.
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