Towing Basics and Definitions

Before continuing with this article, please read Weight and Balance for RV'ers by Peter M. Greig from RVers Online for general towing information.

Gross Combination Weight (GCW) - Total weight of a fully equipped truck and trailer with cargo, driver, and passengers, fuel, coolant, equipment, etc.

Gross Combination Weight Rating (GCWR) - Maximum allowable gross combination weight (GCW)

Gross Trailer Weight (GTW) - The weight of the trailer plus all the cargo in it.  This is measured by putting a fully loaded trailer on a scale.

Gross Trailer Weight Rating (GTWR) - Maximum allowable weight of the trailer, plus its cargo.

Gross Vehicle Weight (GVW) - The total weight of the tow vehicle, including driver, passengers, and any special equipment (options, accessories and upfitted equipment), cargo, fuel, collant, etc.

Gross Vehicle Weight Rating (GVWR) - The maximum allowable total wieght of the tow vehicle, including driver, passengers, any special equipment (options, accessories and upfitted equipment), cargo, fuel, collant, etc.

Definitions extracted from the 2001 Towing Guide For Dodge vehicle trailering applications, by Dodge Corporation.