Recommended Weight Distribution System for 21 Foot Dunes Toy Hauler with GVWR of 7000 lbs  

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In order to determine the correctly rated weight distribution for your toy hauler, you'll need to determine the tongue weight of the fully loaded and ready to tow trailer, as well as the weight of anything stowed in the truck bed behind the rear axle. Combine these two weights, and you'll have your TTW, total tongue weight. When loaded, your trailer tongue weight would likely be between 700 and 1000 lbs. If you ever run your hauler with the garage empty, you'll also need to find the tongue weight for that scenario as well. I'll link you to a help article that shows a few methods of determining your tongue weight.

Weight distribution systems are classified by the range of tongue weights they can handle. The Reese Steadi-Flex # RP66560, for instance would be effective on trailers with total tongue weights ranging from 600-1200 lbs. In addition to weight distribution, the Steadi-Flex also provides proven sway control performance. If your TTW is between 500-1000 lbs, the # RP66559 would be a better choice.

For a more basic system without the sway control feature, a standard chain suspended system like the Reese # RP66542 would be a good choice. This system is also effective on total tongue weights of 600-1200 lbs. For 400-800 lb total tongue weights, use # 49586.

All the systems mentioned include the weight distributing shank, but the properly sized trailer ball is sold separately. For a 2 inch ball, use # A-90 or # 19286 for a 2-5/16 ball.

expert reply by: Mike L

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