How to Adjust the Height of a 5th Wheel Hitch to tow a Raptor 300MP Trailer Level


Just had a new Curt Q20 installed on my 2008 Chevy 2500HD. They installed it at its highest adjustment.I am going out of state to get a new Raptor 300MP toyhauler fifthwheel.I would like to have the hitch set right before I get there to cut down on last minute adjustment on the hitch. Is there a way to know where it needs to be set for the proper ride height for pullin the fifthwheel ? If I have to wait until it is hooked up is there a measurement to use for adjusting the height of the hitch? Any help you can provide would be greatly appreciated.

Expert Reply:

It is difficult to determine the proper height of your Curt Q20 fifth wheel hitch for your Raptor 300MP toy hauler without having access to your trailer because we do not know how high the bottom of the pin box sits off of the ground when the trailer is level.

To determine proper hitch height we recommend measuring from the ground to the bottom of the pin box at the king pin when your trailer is unhooked and level. Next, adjust the height of your hitch to match that measurement from the ground as closely as possible.

I can tell you that you will need to allow approximately six to eight inches of clearance between the top of the walls of your truck bed and the bottom of the front of the trailer. This will allow for clearance when on uneven terrain or for pitch and roll

expert reply by:
John H

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