Hitch Classes, Hitch Sizes?

What are the Different Hitch Classes?

 Class I (Not Recommended!)

  1. Class I hitches are weight carrying (WC) hitches rated up to 2000 lbs. gross trailer weight (GTW) with a maximum trailer tongue weight (TW) of 200 lbs.
  2. A Class I hitch usually has a 1-1/4" square receiver opening.
  3. A higher class drawbar does not increase the towing capacity of the hitch.
  4. Class I hitches usually attach to the bumper, truck pan or vehicle frame.

 Class II (OK.)

  1. Class II hitches are weight carrying (WC) hitches rated up to 3500 lbs. gross trailer weight (GTW) with a maximum trailer tongue weight (TW) of 300 lbs.
  2. A Class II hitch usually has a 1-1/4" square receiver opening.
  3. A higher class drawbar does not increase the towing capacity of the hitch.
  4. Class II hitches usually attach to the bumper or vehicle frame.

 Class III (Great!)

  1. Class III hitches are weight carrying (WC) and also are weight distributing (WD) depending on the vehicle and hitch specifications.
  2. Class III hitches used as weight carrying are rated up to 6000 lbs. gross trailer weight (GTW) with a maximum trailer tongue weight (TW) of 600 lbs.
  3. Class III hitches used for weight distributing are rated up to 10,000 lbs. gross trailer weight (GTW) with a maximum trailer tongue weight (TW) of 1000 lbs.
  4. A Class III hitch usually has a 2" square receiver opening.
  5. A higher class drawbar does not increase the towing capacity of the hitch. To use this class of hitch for weight distribution requires a weight distribution system.
  6. Class III hitches attach to the vehicle frame only.

 Class IV (Whoa Daddy!)

  1. Class IV hitches are weight carrying (WC) and weight distributing (WD) hitches depending on the vehicle and hitch specifications.
  2. Not all Class IV hitches are rated to be both. See the specific hitch for that information.
  3. Class IV hitches used as weight carrying are rated up to 10,000 lbs. gross trailer weight (GTW) with a maximum trailer tongue weight (TW) of 1000 lbs.
  4. Class IV hitches used for weight distributing are rated up to 14,000 lbs. gross trailer weight (GTW) with a maximum trailer tongue weight (TW) of 1400 lbs.
  5. A Class IV hitch usually has a 2" square receiver opening.
  6. A higher class drawbar does not increase the towing capacity of the hitch. To use this class of hitch for weight distribution requires a weight distribution system.
  7. Class IV hitches attach to the vehicle frame only.