Coast Resorts Open Roads Forum: Fifth-Wheels: 5th Wheel Rails with 4 bolts


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MOREDLEG

Missouri

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Joined: 06/02/2010

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Posted: 10/23/23 09:45pm

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I am looking to purchase a 5th wheel; I bought a Chevy 2500 with an unknown brand of "Bracket Kit" that attached to the frame. This bracket kit has 4 5/8"slider nuts with corresponding holes in the bed. The truck did not come with the rails. Most of the old-style rails I have seen (and I am no expert) have 4 bolts on each rail for a total of 8 bolts that secure the rail to the truck. I bought a couple rails, drilled 4 5/8" holes and secured the rails with 4 5/8" grade 8 bolts. Is this secure? Is there a equation that I can apply to determine if the 4 5/8" bolts are as secure as the 8 smaller bolts on "Normal Rails" Does anyone know what brand of "Bracket Kit" has 4 nuts? I don't what this rig coming disconnected from the truck. Thanks

2006 Dodge 3500 Quad Cab 4X4 5.9 CTD
2011 Keystone Hornet 31RDBS

MFL

Midwest

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Posted: 10/24/23 05:27am

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I know Reese made a 4-bolt rail system, but I've no experience with it. The 10-bolt system is more secure, and likely the reason it was more popular. Many times the installer just used 8 of the ten 1/2" bolts.

Four 5/8" grade 8 bolts into the frame, should be secure, when torqued properly. I would check them often to begin with.

Jerry

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