Older crank assembly

A home owner from Rhinebeck NY says:
I need to replace the left crank assembly but am interested in also purchasing the right assembly. I removed the assembly and only can show the dimensions
Thumbnail of the uploaded file named crankassembly.jpg
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Tom from SWISCO responded:

Hello! Your operator looks to be an older version of our 39-036. I think this may be just what you were looking for, but look it over and let me know what you think. We also sell the 39-035 for the opposite side.

Dimensions for 39-036
Dimensions for 39-036
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