Weight Carrying Capacity (WC):
The weight carrying capacity is the total weight a trailer hitch can safely tow without adding a weight distribution system. The gross weight of the trailer should never exceed the weight rating of any towing component, including the trailer hitch,ball mount, tow vehicle, etc. Always use the lowest weight capacity rating of your towing system.
How to Determine Ball Mount Drop/ Rise:
When selecting a ball mount, it is important to determine the amount of a drop or rise needed for level towing. The drop or rise refers to the difference,take the distance from the ground to the top of the inside of the reciver tube opening (A). Subtract it from the distance from the ground to the bottom of the coupler (B). The coupler height (B) minus the hitch height (A) equals the drop or rise (C). If "C "is a negative number, this indicates the amount of drop needed in a ball. If it is positive, it indicates the amount of rise
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Weight Distribution Capacity (WD):
The weight distribution capacity is the maximum amount of weight a trailer hitch can safely tow with a weight distribution hitch installed. A weight distribution hitch is a device used with a receiver hitch to support or distribute a portion of the trailers tongue weight across the vehicle and trailer axles.
Tongue Weight (TW):
Tongue weight is the weight of a trailer exerted at the vehicle- trailer coupling point when the trailer is fully loaded and hooked up for towing. Ideally, a trailer's tongue weight should be about 10-15% of its gross weight.
To measure the tongue weight, use a commercial scale or a bathroom scale with a coupler at a level towing height. When using a bathroom scale,use the method shown below and multiply the bathroom scale reading by three
Gross Trailer Weight (GTW):
The gross trailer weight is the total weight of a trailer and its cargo. For example: GTW = boat + trailer + cooler + fishing gear. It is vitally important to know the GTW to ensure safe towing. It can be measured by putting the fully loaded trailer on a vehicle scale.
Using a ball mount with the proper amount of drop or rise will allow for level towing across both trailer and vehicle
Safety Cables & Chains:
Safety cables and chain or safety cables are required by law for towing. A safety chain is a length of chain strong enough to restrain the trailer from complete separation if the hitch or coupler should fail. For any trailer, 2 safety chains should always be used and should always be connected to cross under the coupler so the nose of the trailer may be caught by the safety chains, providing a measure of control while the tow vehicle stops. Safety chains should never be allowed to drag on the ground and should only be attached to designated safety chain loops on the trailer. Each safety chain or safety cable must be rated to meet or exceed the GTW.
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Hitch and Wiring Work Order
16924-109 Ave Edmonton Alberta
Phone: 780-944-9209 Fax: 780-486-4690