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Raising the Height of a 5th Wheel Trailer and Hitch to Avoid Bottoming Out on Steep Inclines

Question:

I have adjusted the height to the maximum on my Reese 30047. I want to raise my 2009 Cardinal 3100 3 inches so I can back down the incline into my driveway and not drag at the bottom of the incline. I need the same 3 inches at the hitch so my 5er rides level going down the road. My truck is a 2006 GMC 3500 with an 8 ft. bed. How can I get it done?

asked by: Willie G


Expert Reply:

First, you could lower the pin box on the trailer to get some extra height at the front if you have already raised the hitch to the maximum height setting according to the instructions. But to raise the back of the trailer you will need to use what is called an over-under kit. We have 2 different kits and what they do is move the leaf springs from under the axle to above it (if they are already above it there is not much more you can safely do).

The first kit, # K71-385-00, is designed to fit on 3 inch diameter round axles. The second kit, # K71-384-00, fits 2-3/8 inch diameter round axles. The height gained will be approximately the same as the axle diameter.

Please note that raising the height of the trailer changes the location of the center of gravity and can lead to trailer sway.

expert reply by: Michael H


Michael H


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Products Referenced in This Question

Dexter Trailer Springs Over-Under Conversion Kit


Dexter Trailer Springs Over-Under Conversion Kit


53 reviews

K71-384-00

Retail:$45.32

Price:$42.95

Product Summary:

Trailer Suspension

Accessories

Product Specs:

For 2-3/8 Inch Round Axle

Conversion Kit

For Double Eye Springs


more information        

Dexter Trailer Springs Over-Under Conversion Kit


Dexter Trailer Springs Over-Under Conversion Kit


25 reviews

K71-385-00

Retail:$47.95

Price:$44.95

Product Summary:

Trailer Suspension

Accessories

Product Specs:

For 3 Inch Round Axle

Conversion Kit

For Double Eye Springs


more information        


Product Page this Question was Asked From

Reese 5th Wheel Trailer Hitch - Dual Jaw - 16,000 lbs


Reese 5th Wheel Trailer Hitch - Dual Jaw - 16,000 lbs


6 reviews

RP30047

Retail:$940.49

Price:$534.95

Product Summary:

Fixed Fifth Wheel

Hitch Only

4000 lbs TW

16000 lbs GTW

Product Specs:

Standard - Double Jaw

Double Pivot

14-1/2 - 18 Inch Tall


more information        






More Answers about Fifth Wheel


Featured Help Information

Installation InstructionsInstructions for RP30047





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