I’m sure it was probably very similar to the Chevy. I happen to have that all apart on the doghouse of my 37 Chevy and here’s a picture. The lower part has a half a dozen stove bolt and square nuts, attaching it to the chin. It appears somebody just put in a convenient, rectangular piece of sheet metal to yours and put a hole in it for the crank.
Larry Old man᠁Old truck᠁neither one goes very fast. All you need in life is TIME, PATIENCE and MONEY. If you are missing one component, you'll need an abundance of the others two.