Leg Kit to Adapt Curt A16 Fifth Wheel Hitch to 2021 GMC Sierra 3500 with OEM Rail Kit

Question

Question:

I have a 2021 GMC 3500 Sierra short bed and A16 curt. Will this fit on the short bed?

asked by: Clint

0

Expert Reply:

Yes the Curt fifth wheel leg kit part # CU53FR that you referenced does fit your 2021 GMC Sierra 3500 OEM rail kit and also fits the Curt A16 fifth wheel hitch head you have as well. This would essentially give you a # C74FR.

expert reply by: Jameson C

0

Answer 1

Hey Fred, so this is a great question but one of the reasons the A hitch came to be was that the Q series hitch can't be used with the Sidewinders like the part #RP34FR as the jaw design and and head end up getting damaged. So the A Series can be…

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Answer 2

The A series of Curt 5th wheel trailer hitches, such as #C16120, is the newest version and is replacing the Q series. The A series jaws overlap whereas the Q series butt up against each other more than overlap. And the bearing and shaft that the head…

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Answer 3

The Curt #C16024 fifth wheel legs you mentioned fit the A series hitches from 20k and up; the A20 #C16540, A25 #C16580, and A30 #C16590. They're technically designed for the A30 because of the legs's 30,000 pound rating but they still fit the…

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Answer 4

The fix for towing a 5th wheel with a short bed truck is either a slider hitch or for beds that are shorter than 6-feet a replacement trailer pin box called a Sidewinder. Sidewinders move the trailer pivot point 22-inches back from the king pin, to…

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Answer 5

The correct wedge to use with a Curt A20 #C16140 and a Turning Point Pin Box is the wedge #C16992 that you referenced.

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Answer 6

Thank you for the photo of your 2016 Ram 3500's bed rail which sits 59-inches above ground. You are correct that the recommended minimum clearance between a bed rail and the underside of the trailer's overhang is 5 to 6-inches, as shown in…

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Answer 7

So your Keystone Montana 3670rl will either have a Lippert 1116 pin box or the 1621. Count the amount of bolts that are on each side of the pin box. If it's 6 then you have the 1621 and you need the part #RP34FR. If instead it's 9 you need…

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Answer 8

Hey Brian, I have some less than awesome news. The Q20 hitch actually wasn't designed to be used with a pivoting pin box like the Turning Point so there isn't a wedge we can recommend you use. This is one of the reasons Curt redesigned the…

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Answer 9

The best 5th wheel hitch for your 2023 GMC Sierra 3500 HD with the factory puck system is easily the B&W Companion because its construction is designed specifically to ensure you have the best possible ride when towing. Its jaw system is a…

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Answer 10

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

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Answer 11

Hey Fred, so the Curt A30 hitch part #C16070 is a really solid hitch that does fit the OEM pucks of your 2025 GMC Sierra 3500 and you'll really like. Whether or not it will allow for turning clearance is going to be based on the nose of the…

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Answer 12

The Reese 5th Airborne Premium Fifth Wheel Air Ride Coupler part #RP78FR is categorized as a long style pin box. The dimensions are designed to mirror that of the pin box it replaces which one that uses a Lippert 1621 pattern. Therefore, you…

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Leg Kit to Adapt Curt A16 Fifth Wheel Hitch to 2021 GMC Sierra 3500 with OEM Rail Kit

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