Most Popular 21000 lbs GTW for 2018 GMC Sierra 3500
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Demco Autoslide 5th Wheel Trailer Hitch w/ Slider - Single Jaw - Above Bed - 21,000 lbs
- view all Fifth Wheel Hitch
- Sliding Fifth Wheel
- Aftermarket Below Bed Rails
- 5250 lbs Vertical Load
- 21000 lbs GTW
- Double Pivot
- Premium - Single-Hook Jaw
- 15-1/4 - 18 Inch Tall
- 14 Inch Fore/Aft Travel
- Demco
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by: Andy 08/28/20232023 GMC Sierra 3500
It's pretty heavy at 300 pounds. I had to rig a hoist so that I could install or remove from the truck. I installed the side plates first and had to adjust one of the locking tabs per the instructions. I installed the plates in the truck and then lifted the hitch assembly into place. After bolting hitch to the side plates, two of the locks on one side are too tight to remove. I'm going to drive around a bit before removing the whole assembly and adjusting the shims on one side.
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by: Jesse09/08/20232024 GMC Sierra 3500
Bolted directly to GMC’s factory 5th wheel prep. Nice to have the auto slide feature. No need stop, unlock slide, move the truck forward, re-lock just to make a tighter turn.
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