I used this:
Refrigerator. Had to cut the opening 1/2 wider. Then I took one drawer that was below the old fridge out and built a plywood platform for the new fridge to sit on where it was. Lost 1 drawer. Who cares. Lagged the Fridge down to the platform on the backside of it through the old Fridges lower vent outside. Plugged it into existing A/C outlet. All you need is a good saw and the guts to make some modifications. Now I have twice the room I had in the old so called "refrigerator". The only disadvantage is the ice cream if hard to get out of the container but 15 seconds in the microwave solves that issue. Added a wireless thermometer with a display on the dashboard so on really long trips I can start the generator if needed but if the fridge is packed a day in advance and not opened during a trip, you can go for hours. I find it's best to have it full-full. We take gallons of water with us so we store them in the fridge for "bulk". Helps hold the cold longer.
The old broken "Nevercold" brand "refrigerator" went away on Craigslist as a "parts only" unit for $100 bucks. If yours is working you could get most of the cost of a new fridge out of it.
I'd never go back. Took some effort but it is a BIG upgrade for us.
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