Recommended Sidewinder Pin Box to Replace a Curt Rota Flex 1621
Updated 08/28/2022 | Published 08/26/2022
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Question:
Can you replace a Curt rota-flex 1621inch pin box with a turning point pin/rotating turrent box? We have a 2021 RAM 3500 w/ RAMBOX. I understand the only way to pull a Fifth Wheel is with a rotating pin box safety. Unfortunately the New RV we are looking at, does not come stock with one. The 2022 CrossRoads Aire CR32BH. Thanks.
asked by: Chris
Expert Reply:
Yes, you can replace a Curt Rota-Flex 1621 Pin Box item # LC328329 with a rotating turret. Since you have a 2021 Ram 3500 w/ Ramboxes this is the only way you will be able to tow a 5th wheel trailer.
To add a rotating pin box to your 2022 CrossRoads Aire CR32BH, I recommend the Reese Sidewinder 5th Wheel King Pin with Rotating Turret item # RP34FR. The Reese Sidewinder fits both the Lippert 1621 an 1621HD pin box.
Not all 5th wheel hitches are compatible with a rotating pin box. If your 2021 Ram 3500 w/ Ramboxes has the factory prep package you will want to use the B&W Companion OEM 5th Wheel Hitch for Ram Towing Prep Package item # BWRVK3600.
If your Ram 3500 does not have the factory prep package you will need the B&W Patriot 5th Wheel Trailer Hitch item # BWRVK3255 and the Custom Installation Kit w/ Base Rails item # BWRVK2605.
You will need the Sidewinder Wedge Kit for B&W hitches item # RP74FR to keep the pin box from rotating inside the 5th wheel hitch.
I have linked some review videos below for you to take a look at.
Product Page this Question was Asked From
Reese Sidewinder 5th Wheel King Pin with Rotating Turret - 20,000 lbs
- 5th Wheel Pin Box
- Upgraded Pin Box
- Provides Turning Clearance
- 20000 lbs
- Rigid Suspension
- Rotating Turret
- Fabex 663
- Fabex 665
- Lippert 0719
- Lippert 1621
- Lippert 1621HD
- M and M 663
- M and M 665
- Lippert Rhino
- Reese
more information >
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