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RV glossary · Weights & towing limits

CCC (Cargo Carrying Capacity)

Also called: Cargo Carrying Capacity

How much weight you can add to a towable RV: GVWR minus UVW. Everything you load counts against it, including water in the tanks, propane, food, gear, batteries and dealer-installed options.

CCC is often smaller than people expect. Fresh water weighs about 8.3 lb per gallon, so a full 40-gallon fresh tank uses about 330 lb of cargo capacity before you pack anything. Many RVers travel with the fresh tank nearly empty and fill up at the campground for this reason.

Typical camping gear (dishes, food, clothes, chairs, tools, hoses, leveling blocks) adds up quickly, often 1,000 lb or more for a family. A trailer with a low CCC may be easy to tow when empty and still end up overweight on a trip.

On motorhomes the equivalent figure is OCCC, which also counts the people riding inside.

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Related terms

GVWR
The maximum an RV (or a truck) is allowed to weigh when fully loaded, including everything inside it: cargo, water, propane, batteries and, for motorhomes, passengers. It is set by the manufacturer and printed on the weight label.
UVW
What the RV weighs as it leaves the factory, without cargo, water or (usually) propane. Manufacturers often list it as UVW or “dry weight.”
OCCC
The motorhome version of cargo capacity: how much weight the people riding in it plus all cargo, water and gear can add before the motorhome reaches its GVWR.
Wet weight
An informal term for an RV’s weight with its tanks full and propane loaded, as opposed to dry weight. It’s not a standard rating, so numbers quoted as “wet weight” vary.

More weights & towing limits terms

Dry weight · GCWR · GAWR · GVW · Payload capacity · Tow rating · Hitch weight · Pin weight

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