We have a large bay window. The windows have 2 locks and a handcrank to open them. The left window does not open anymore. The handcrank has come off and the one of the arms of the hinge has disconnected. Looking to replace whole mechanism for the left and right window. We do not know the brand of window. Home built in the 1980's. One of the hinges has a numer on it, 40068 (found in pictures).
Thanks!
Window hinges/whole mechanism needs replacing
Home Owner from Iowa
Oct 12, 2025 6:05 pm
5 user uploaded images
2 Replies
Jasmine from SWISCO
Oct 13, 2025 1:27 pm
Thanks for writing in! Your window operator appears to be a match for either the 39-023 11" Rear Mount Casement Operator or the 39-477 9-1/2" Rear Mount Casement Operator. The opposite handed versions of each operator can be found tagged below this thread. To determine which of these is the correct fit, you'll need to compare their dimensions.
Both are compatible with the 39-114L Crank Handle and 39-205 Truth Folding Crank Handle.
Dimensions for 39-023
Dimensions for 39-477
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