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Trailer Hitches - Choosing the Right Hitch

3 Steps to Safe, Trouble-Free Towing
Tow Vehicle
Identify the towing capacity of the vehicle tow vehicle.

(see owners manual)
Trailer Weight
Determine the gross trailer weight of the tow item

(fully loaded weight)
Hitch Type
Select the class of hitch rated your your vehicle

(see chart below)
IMPORTANT:
Never tow a trailer heavier than the rated tow capacity of your vehicle.
A higher "Class" of hitch does NOT increase the vehicles towing capacity.
Gross Trailer Weight GTW Weight of the trailer fully loaded
Tongue Weight TW Weight exerted by the trailer coupler on the hitch ball
Weight Carrying WC Tow rating capacity of a hitch without a WD system
Weight Distributing WD Tow rating capacity of a hitch when using a WD system
Chart Key
Compact Cars
Mid-Size Cars
Full Size Cars, Mini-Trucks & Vans
Full-Size Trucks, Vans & SUVs
Compact Cars
Mid-Size Cars
Full Size Cars, Mini-Trucks & Vans
Full-Size Trucks, Vans & SUVs
Class I

Weight Carrying
TW - Up to 200 lbs.
GTW - Up to 2,000 lbs.

Light Duty
Light Duty

Light Duty
Light Duty

Light Duty
Light Duty

Light Duty
Light Duty
Class II

Weight Carrying
WC TW - Up to 350 lbs.
WC GTW - Up to 3,500 lbs.

Medium Duty
Medium Duty

Medium Duty
Medium Duty

Medium Duty
Medium Duty
Class III

Weight Carrying
TW - Up to 500 lbs.
GTW - Up to 5,000 lbs.


Heavy Duty
Heavy Duty

Heavy Duty
Heavy Duty
Class IV

Weight Carrying
TW - Up to 750 lbs.
GTW - Up to 7,500 lbs.

Weight Distribuing
TW - Up to 1,200 lbs.
GTW - Up to 12,000 lbs.


Heavy Duty
Heavy Duty

Heavy Duty
Heavy Duty
Class V

Weight Carrying
TW - Up to 1,200 lbs.
GTW - Up to 12,000 lbs.

Weight Distribuing
TW - Up to 1,400 lbs.
GTW - Up to 14,000 lbs.



Extra
Heavy Duty

ExtraHeavy Duty


Selecting the Proper Hitch Ball is a MUST for Safe, Troube-Free Towing

The hitch ball diameter(A) must be the same diameter as the trailer coupler (1-7/8", 2", or 2-5/16")

The shank diameter (B) of the hitch ball should be the same as the hole diameter in the (correct) ball mount you selected.

The shank length (C) should be long enough to allow at least two threads to be visible when the hitch ball is installed and the nut completely tightened.

The standard lift (D) refers to the height of the hitch ball base. The lift raises the top of the ball height above the draw bar.

Hitch Ball Callouts
A. Ball Diamter
B. Shank Diameter
C. Shank Length
D. Standard Lift

Always use the properly rated hitch ball for your towing system.

  • Your towing system’s maximum weight rating is always equal to the lowest rated item in the system
  • Your hitching system cannot be upgraded to a rating higher than the maximum rating of your hitch

For example: a 3,500 lb. ball on a 2,000 lb. max trailer weight rated hitch does not increase your towing capacity to 3,500 lbs. Your hitching system is still rated at 2,000 lbs.

Conversely, a 2,000 lb. ball on a 3,500 lb. max trailer weight rated hitch decreases your maximum towing capacity to 2,000 lbs.


Selecting the Right Ball Mount
INCORRECT
CORRECT
Incorrect
Correct
Trailer Not Level
Trailer Level

For safe, comfortable towing, the trailer should always be set up to tow on a level plane.

Sometimes a trailer's tongue is higher or lower than the ball mount on the vehicle, and a ball mount with a "rise" or a "drop" is required to level the trailer.


Ball Mount Measurements

Distance from the center of the ball hole to the center of the pin hole

Distance from the top of the shank to the top of the ball platform

Distance from the top of the shank to the top of the ball platform


Measuring For the Proper Ball Mount

  1. Measure from the ground to the
    top of the hitch.
  1. Measure from the ground to the
    (inside) top of the trailercoupler,
    when level.
  1. Subtract the height of the hitch ball (most are 2½" - 3" high) from coupler measurement.

  2. An 8" drop is needed to make the trailer level.

THE DIFFERENCE IN THE TWO MEASUREMENTS IS THE AMOUNT OF
BALL MOUNT "RISE" OR "DROP" REQUIRED.


For information about a trailer hitch for your vehicle please phone (613) 596-9696 or toll-free (800) 558-5178 or click the link below and fill out the Hitch Quote Request Form.


Request a Quote


Freedom Awaits . . .

 

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© CMSR Enterprises Inc.
995 Moodie Dr. S., Ottawa, Ontario, Canada, K2R 1H4
Phone: (613) 596-9696          Fax: (613) 596-3918
Toll Free: 1-800-558-5178
primo@primotrailersales.com

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Saturday, 22-Mar-2008 18:40:40 EDT