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Distance Between Bed Rails for Installation of Curt E5 16K Fifth Wheel Hitch  


My fifth wheel hitch was in my shop when it burned earlier this year and I was looking at your Curt 16K pound hitch as a replacement. I just need the hitch since my rails are already mounted in my 2004 Chevy 2500 pickup. I wanted to know if the distance between the rails is standard for most hitches and what the measurement is for the Curt hitch in particular. Thanks.


Expert Reply:

Do you know who manufactured your existing bed rails?

The Curt E5 16K Fifth Wheel Hitch you referenced, part # C16115 are compatible with universal rails manufactured by Reese, Curt and Valley. A universal rail will have three mounting slots on each side of the rail, as shown in the photo with dimensions I have linked to.

Your front and rear rail should be 22 inches apart, measured from the center of the front rail to the center of the rear.

expert reply by:
Mike L
click to enlarge



My old 1-ton Powerwagon has a universal rail set, and I run everything in it. Ive got a Reese 15k Pro fifth-wheel rig that s in, and a Curt gooseneck plate that also s into it. When not in use, I can pull both out, and with a couple of pieces of spacer plywood between bed headboard, to rail, to rail, to tailgate ped in place, I have my smooth, flat truckbed back again to carry anything from plywood to furniture in it.Yes, by design, the tab-slots should be 22-inches on center. If you really work your rig a lot, like I do, you may find that new in gadgets have to be eased into the slots, as they may or may not be exactly 22-inches on center.If only someone would make a -in truckbed 1k crane for my rails, Id be the first to some money on a crane setup to lift and lower propane and oxyacetylene torch tanks into my truckbed.

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