Does Reese Sidewinder 5th Wheel King Pin Need to be Disassembled for Regular Grease Maintenance

Question

Question:

Do you have to disassemble the pin box for grease or regular maintenance? I read the instructions but just wasn’t clear. Thanks!

asked by: Mark L

0

Expert Reply:

Hey Mark, thanks for reaching out!

There is a grease zerk fitting in the top of the pin box that should prevent you from having to disassemble the Reese Sidewinder 5th Wheel King Pin with Rotating Turret # RP77FR in order to grease it.

expert reply by: Jon G

0

Robin H.

12/22/2025

Hey Mark, did the grease zerk fitting on your Reese Sidewinder make maintenance easier for you? Knowing how it worked out could really help others with the same setup.

Answer 1

I have a solution for you. Looking at your pictures and based off the measurements given that will take a Reese hitch. You will need the Reese 5th Wheel Trailer Hitch - Dual Jaw - 16,000 lbs #RP30047. Its foot pattern will fit the holes and…

view full answer...

Answer 2

There is a custom wedge available to use a Sidewinder with an RBW hitch. It is wedge #SWW-07. If you look at the Sidewinder manual it states "Note: Truck and trailer must be straight in-line for the wedge to enter into the fifth wheel…

view full answer...

Answer 3

On your Leland 7910 pin box, you have a measurement of 9 inches from the center of the first row of bolts to the center of your king pin. We have a few of Sidewinder pin box options to give you 22 inches more room between the cab and your camper…

view full answer...

Answer 4

During assembly of the Reese Sidewinder #RP34FR you will need to apply white lithium grease such as #L11354 to the wear plate and the arm tube prior to putting the turret on the arm. The grease should also be applied around the wedge and the king pin…

view full answer...

Answer 5

Thank you for the pictures, it made it easy to verify your components. I reached out to Lippert to confirm your current pin box bolt pattern as 1621, which would mean that the Reese Sidewinder 68220 would be a compatible replacement. The 68202 wedge…

view full answer...

Answer 6

Don't worry, I can help you. Yes, the Reese Sidewinder #ST400-5AS16K is a confirmed fit for your Leland 7910 pin box. I spoke with my contact at Reese and he stated that you can use the RBW Lil Rocker 5th wheel hitch with a Revolution/Sidewinder…

view full answer...

Answer 7

I certainly can. I went out to the warehouse and pulled the mounting part, #ST400, and did the measurements myself. The Sidewinder Rotating Turret Premium Pin Box Coupler, #ST400, is made to fit pin boxes: Leland 7910, 7920, and 7921; 5AB-E7920;…

view full answer...

Answer 8

It sounds like you have a Leland 7920 pin box. This matches all of the specs you gave except the 2b measurement which is the height different between one set of bolt holes to the row that is either one set higher or one set lower. The Leland 7920 has…

view full answer...

Answer 9

The best option is custom wedge #SWW-07. This wedge was designed for RBW brand 5th wheel hitches. It is likely going to be a much better fit than the universal wedge. I have linked a video review for you.

view full answer...

Answer 10

In regards to installing a wedge on the Sidewinder 5th Wheel King Pin with Rotating Turret like part #RP34FR, this will only need to be done one time for each hitch. It may be a good idea to check the torque on the bolts every so often but…

view full answer...

Answer 11

The correct Sidewinder wedge for your RBW 15K Lil Rocker 5th wheel hitch is the 5th Airborne Custom Wedge for RBW Fifth Wheels #SWW-07. I've attached a video review to assist. Let me know if you need anything else.

view full answer...

Answer 12

From what we have learned what you have been told by Reese is correct. There are 2 different B and W Companion 5th wheel trailer hitches. One of them just mounts in a gooseneck ball hole. The other one is designed only for the Ram OEM pucks in the…

view full answer...

Does Reese Sidewinder 5th Wheel King Pin Need to be Disassembled for Regular Grease Maintenance

Continue Researching