Just as an FYI....
Our
Parkliner #035 weighs in at 2400lbs at scales with full fresh water (15 gallons), two optima blue top batteries, and supplies for a week of camping.
Take into account that our build was unique in that we requested no
propane or the related appliances. BUT that also means that we added in our stove/heater/shower etc...that run on butane and we do have the stock ice-cooler. . . which by the way kept the cooler at ~38 for 4 days with one block of ice in the cooler with outside day temps at ~65-70. Our
Engel Deep Blue Cooler in the van kept at ~38 for 5 days with a 20lb bag of ice on same trip.