RV Glossary
Fiver is a slang term for a fifth wheel trailer. It is commonly used by RV owners, dealers, and online RV communities.
This term can directly influence safe trailer matching and trip planning decisions.
5er, 5th wheel
A fifth wheel is a towable RV that uses a bed-mounted hitch in a pickup truck for improved stability and turning control. It is known for spacious layouts and residential-style features.
Need a broader view? Browse the full RV glossary and continue exploring key towing definitions.