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Things To Know Before You Pick Up and Tow Your New Trailer Ball Size : All trailers with a carrying capacity of 5500 lbs or less generally use a 2 inch ball. All trailers with a carrying capacity over 6000 lbs generally use a 2 and 5/16th ball. If equipped with a 8500 lb coupler may use a 2 in ball. Check with us. The trailer industry uniformed ball size to 2 or 2 and 5/16th balls only. 1 7/8th are no longer used. Ball Height: 12 and 13 in tires require 18 to 19 inches from top of ball to ground 14 in tires require 20-21 inches from top of ball to ground 15 in tires require 22-23 inches from top of ball to ground 16 in tires require 23 inches Improper height can result in uneven weight shift placing for example on a tandem axle trailer, more weight on 1 axle than the other. Trailers like to run level as much as possible. ( some cases may require you reversing your receiver and placing ball on top to achieve height ) Light Connections: Surge drum brakes require just a standard flat 4 prong vehicle light connection. Surge disc brakes require a 5 flat vehicle light connection or an adapter for the most common 7 pin vehicle receptacle found on today’s vehicle tow packages. Disc brakes unlike drum will lock up just as quickly in reverse as in forward. Therefore there is a solenoid activated by your reverse lights that shuts off fluid while backing. Without proper connection brakes will lock up. If a 7 pin receptacle is not available on your vehicle you will need to wire a 5 flat plug connecting the blue wire to your back up lights. Electric over hydraulic braked trailers will require a 7 pin receptacle as they are wired with a 7 pin plug. Standard electric drum brakes will also use a 7 pin plug. Not used often for marine use. |
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330-547-0005 |