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RV Glossary

GCWR

Gross Combined Weight Rating, or GCWR, is the maximum total allowable weight of a tow vehicle plus the RV or trailer it is pulling. It is one of the most important towing specifications to understand before buying or towing an RV.

Definition

GCWR is an important towing concept to understand when evaluating RV compatibility and safety margins.

Why It Matters for Towing an RV

This term can directly influence safe trailer matching and trip planning decisions.

Also Called

gross combined weight rating

Related Glossary Terms

GVWR

Gross Vehicle Weight Rating, or GVWR, is the maximum allowable weight of an RV including cargo, fluids, and passengers. Staying within GVWR is essential for safe handling, braking, and compliance.

Tow Rating

Tow rating is the maximum trailer weight a vehicle can safely pull as specified by the manufacturer. Matching an RV to the correct tow rating is essential for safety and performance.

Tongue Weight

Tongue weight is the downward force a trailer places on the hitch of the tow vehicle. Proper tongue weight is critical for towing stability, steering control, and safety.

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Frequently asked questions

Gross Combined Weight Rating, or GCWR, is the maximum total allowable weight of a tow vehicle plus the RV or trailer it is pulling. It is one of the most important towing specifications to understand before buying or towing an RV.