Replacement operator assembly for casement window

A quick learner from Portland, ME says:
Hi there,

I'm looking to replace the operator assembly for a right-hand casement window (opens to right when viewed from exterior), which appears to have become stripped. The windows and operators are both reclaimed and have no markings on them. As you can see, the arm comes through a hole in the window trim and the gear is inset into an angle hole bored under it.

Thank you!
Keith
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A quick learner from Portland, ME says:
Hi there,

I'm looking to replace the operator assembly for a left-hand casement window (opens to left when viewed from exterior), which appears to have become stripped. There is a number stamped on one of the operator arms, as you can see in the photos ? 07900. That is the only marking I can find.

The cover for the operator mechanism measures 4" at its widest point and is about 5/8" thick.

Thank you!
Keith
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Dave Sr. from SWISCO responded:

Looking at your first set of photos, it appears that you have an older style Peachtree casement window. The only part we carry is the handle under our 39-148. As for the operator and related parts, you will need to contact a Peachtree dealer near you to see if they can still supply. 

In your second set of photos you have the older style Wright operator. We do carry a Wright replacement, but the arm length does not look like it is the same length as yours. You might need to move the sash bracket on the window to compensate. See our 39-387 and 39-388.

A quick learner from Portland, ME says:
Thank you for your response!
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