frigidaire general motors freezer also refrigerator

[fixitnana]

 Vintage Frigidaire general motors freezer model B146  13.59 c.f. deepfreeze, also a frigidaire general motors  model SM76 refrigerator.

trying to find out information about these, such as year made, archived repair manuals, and possibility of replacement  motor parts.

Any info would be helpful.

Thank you.