- Gross trailer weight rating
Gross trailer weight rating (GTWR) is the total
weightof a trailer that is loaded to capacity, including the weight of the trailer itself, plus fluids, and cargo. The static tongue load, the weight of the trailer as measured at the trailer coupling, is 10-15% of the GTWR.
United States, there are four main weight classes of trailer hitches as defined by the Society of Automotive Engineers:
*Class I - rated to 2000 lbs.
*Class II - rated to 3500 lbs.
*Class III - rated to 5000 lbs.
*Class IV - rated to 10,000 lbs.
Gross axle weight rating(GAWR)
Gross combined weight rating(GCWR)
Gross vehicle weight rating(GVWR)
* [http://www.sizes.com/home/trailer_hitches.htm Trailer Hitches]
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