My 1971 Caravel (18') has an axle that says its rated load is 4,000 lbs. The Caravel has been extensively modified, but I weighed it last month and the weight on the axle was 3,250. Adding full water, a couple of big backpacks, and fridge food brings that up to 3,900 lbs on the axle, by my estimate (this is the fully stocked weight). Don't know what the tongue weight is, but I'd guess the gross weight is about 4,400 lbs.
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