Towing Tech

With the vast amount of articles out there on towing "how to's" it is hard to sift through all the information to find out what pertains to you. Unfortunately every one seems to have their take on how to tow- this article will center on the basics of towing so that hopefully you can make decisions on what fits your needs.

 

Definitions:
  • TV - Tow Vehicle
  • GVWR (Gross Vehicle Weight Rating) - Maximum permissible weight of trailer. The GVWR is equal to or greater than the sum of the unloaded vehicle weight (UVW) plus the net carrying capacity (NCC)
  • GCWR (Gross Combined Weight Rating) - Maximum weight specified by the Tow vehicle that the manufacturer allows for a fully loaded TV plus towed payload. This is a very important weight rating. This weight includes:
    • All of the weight of the tow vehicle.
    • All of the weight of the towed payload.
    • Weight of all passengers.
    • Equipment, Fuel Etc..
  • TWA (Trailer Weight Rating) - Unloaded vehicle weight with only the driver aboard.
  • UVW (Unloaded Vehicle Weight) - Weight of trailer from factory. If Applicable it includes full generator fuel, engine oil and coolants. UVW does not include cargo, fresh water, LP Gas, or dealer installed accessories.
  • NCC (Net Carrying Capacity) Maximum weight of all personal belongings, food, fresh water, LP Gas, Tools, Dealer installed accessories that can be carried by the trailer.

 

Trailer Class Trailer Weight Safety Chain Minimum Breaking Strength
Class I 2000 lb. GVWR 2000 lb.
Class II 2000 to 3500 lb. GVWR 3500 lb.
Class III 3500 to 5000 lb. GVWR 5000 lb.
Class IV 5000 to 7500 lb. GVWR The GVWR of the Trailer
Class V 7500 to 10000 lb. GVWR The GVWR of the Trailer