GE Americana Portable
Wow, that is almost exactly the dishwasher I had for the first 10 years of my life. Ours had knobs instead of the pushbuttons, but otherwise exactly like it in that it had the impeller and the two upper half racks. Although ours was a portable, we had it hooked up to its own faucet allowing it to remain stationary. When we got rid of it, we removed the top and gave it to my aunt to use as a cutting board. Thanks for posting this; it is a blast from the past.