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Recommended 12v Only Refrigerator to Upgrade and Replace a Dometic DM 2662 RBX  

Updated 07/23/2026 | Published 07/12/2026

Question:

Is this a suitable replacement for a Bigfoot Truck camper with a Dometic DM 2662 RBX? I currently have 200Ah of lithium batteries installed with 520 watts of solar, dc/dc charger and built in jenny.

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Expert Reply:

It sure is Peter! The Norcold Polar Full RV Refrigerator w Freezer item # NC73FR is going to be a great way to upgrade your Dometic DM 2662 RBX. You've definitely got plenty of battery to power it too. It draws between 3 amps and 7.9 amps of 12v DC power with a average running draw of 5 amps. It is 12v only though. We don't carry propane powered fridges so you will lose that ability with this upgrade.

The Norcold Polar Full RV Refrigerator w Freezer item # NC73FR is going to increase your capacity from 6 cu ft to 8 cu ft while also being 10 lbs lighter. It fits in a 23-1/2" wide x 52-7/8" tall x 24" deep cutout and measures 23-1/4" wide x 52-7/8" tall x 26-7/8" deep. These dimensions are comparable to your Dometic but expect the door to stick out 2-7/8" farther.

If you have any additional questions, go ahead and click on the box that says Add Comment and I'll be happy to answer them.

expert reply by:
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Jerred H
NC73FR
NC73FR
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Peter P. profile picture

Peter P.

7/21/2026

Thanks for the reply. I will order as soon as the rain stops so I can verify the rough opening dimensions. Peter

Jerred H. profile picture
Etrailer Expert

Jerred H.

7/23/2026

@PeterP You're welcome! Happy to help.

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