Underbed 5th Wheel Rail Mounting Systems for a 2017 Ford F-350 4WD With an 8 Foot Bed  

Question:

Expert Reply:

Yes, we do have some underbed mounting systems for your 2017 Ford F-350, but unfortunately there are no Reese 5th wheel hitch options rated for 26K. The only Reese hitch that fit with their Under-Bed Rail and Installation Kit # RP30126 was the Reese M5 20K # RP30921. Neither of which are a fit for your F-350.

If you were wanting to stick with the below bed rails we have an option from B&W which is their Underbed Gooseneck Hitch # BWGNRK1116-5W along with the Companion # BWRVK3500-5W which is rated for 20K. The great advantage of this heavy-duty combination is that you can pull pull a gooseneck trailer if the need arises.

The other option would be to go with the Demco Underbed Rails # DM8551009 along with the Hijacker 5th Wheel Hitch # DM8550032. The Hijacker is rated for 21K and not only uses the single jaw design that you were asking for, but it also has a 3/4 inch thick steel locking bar for added security for the king pin. The single jaw provides some of the best 360 degree king pin to jaw contact out there. This is honestly one of my favorite 5th wheel hitches out there because of this design.

If you would rather stick with the Reese M5 design that you referred to then we do have that option rated at 27K but it will require that bed rails be installed above your bed instead of below it. For this setup you will need the Base Rails # RP50074-58 and the Reese M5 # RP46FR.

I also recommend installing a 7-Way connector, like part # C56000, in the bed of your truck for an easier connect and disconnect of the wiring on your trailer.

I have attached some review and installation videos on these products for you to check out as well.

expert reply by: Jon G

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