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Use of Hitch Extension to Tow a Trailer on 2011 Ford F-350 Dually Crew Cab With a Slide-In Camper


I drive a 2011 ford 350 dually diesel crew cab and am considering purchase of a slide-in camper that would protrude about 3 beyond the box. The truck has a 2.5 receiver for hitch. Is a receiver extension available in full size w/o reduction. The car hauler I plan to tow would be about 6500 lbs if this is possible. pls advise


Expert Reply:

I have two hitch box extensions for the 2-1/2 inch hitch on your 2011 Ford F-350 Dually Crew Cab, but they both will reduce the hitch receiver size down to 2 inches. These extensions are specifically designed for your slide-in camper with the extended overhang.

The first extension is the Titan Hitch Box Extension and Reducer, part # RP45292. This extension will only extend your hitch out 24 to 34 inches, so this will not work for your application that will need 36 inches.

The second extension is the Titan Hitch Box Extension and Reducer, part # RP45018. This extension will extend your hitch out 41 to 48 inches. It comes complete at 48 inches and would need to be cut down to be used as a 41 inch extension.

The # RP45018 hitch extension can be used at the 41 inch length with a weight distribution system and that would give you a 7,500 gross towing capacity. The weight distribution system distributes the weight from the hitch to the vehicle and trailers axles to allow for improved towing performance. I am including a link to a FAQ page on weight distribution.

The tongue weight capacity of the # RP45018, is going to be 10 percent of the weight distribution rating of the extension. In this case, if the extension is used at the 41 inch extension the limit is 750 lbs with weight distribution.

You will want to get the tongue weight of your trailer loaded, and include the weight of anything in your truck bed from the rear axle back to the bumper to be able to determine if the extension with weight distribution would work. Since you do not have the slide-in camper you will want to find out the weight of the camper and how much of that weight is behind the rear axle to get an accurate tongue weight capacity capacity.

If you determine your tongue weight capacity will be able to work with the hitch extension and the weight distribution system, let me know and I can help you choose the correct weight distribution system for your vehicle.

expert reply by:
Jeff D

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