5th Airborne Premium Fifth Wheel Air Ride Coupler - Extended - 12-1/2" Wide Air Ride

5th Airborne Premium Fifth Wheel Air Ride Coupler - Extended - 12-1/2" Wide Air Ride

Item # 5AB-E510-710

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Fifth Wheel King Pin

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Fifth Wheel King Pin 5AB-E510-710 - Reduces Bounce and Jarring - Reese
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The 5th Airborne premium fifth wheel air-ride coupler acts as a buffer between the tow vehicle and the trailer, minimizing the abuse sustained from turbulence on the road and giving you the smoothest ride possible by reducing shock. Call 800-298-8924 to order Reese fifth wheel king pin part number 5AB-E510-710 or order online at etrailer.com. Free expert support on all Reese products. Guaranteed Lowest Price and Fastest Shipping for 5th Airborne Premium Fifth Wheel Air Ride Coupler - Extended - 12-1/2" Wide Air Ride. Fifth Wheel King Pin reviews from real customers.
  • All Info
  • Reviews (12)
  • Q & A (77)
  • Photos
  • Why etrailer?

Reese Fifth Wheel King Pin - 5AB-E510-710

  • 500
  • 503
  • 765
  • 770
  • 1716
  • 7028
  • Fabex
  • Lippert
  • RBW
  • Reduces Bounce and Jarring
  • Reese
  • 21000 lbs GTW
  • Pin Box Upgrade
  • Cushioned
  • Fixed Turret

The 5th Airborne premium fifth wheel air-ride coupler acts as a buffer between the tow vehicle and the trailer, minimizing the abuse sustained from turbulence on the road and giving you the smoothest ride possible by reducing shock.


  • Pre-assembled for quick and easy installation
  • Bolts onto trailer using existing holes and hardware
  • Cushions shock with adjustable air spring and shock absorber
    • Reduces longitudinal shock (chucking) by nearly 60%
    • Decreases vertical shock by 44%
    • Relieves stress on coach frame
    • Reduces vibration inside coach and protects contents
    • Smoother ride means less fatigue for driver and passengers
  • Air spring is enclosed within the coupler for protection against the elements
  • Streamlined, aerodynamic design


  • Capacity: 21,000 lbs
  • CSA approved
  • 3-Year limited warranty
  • Designed for use with the following pin boxes:
    • Fabex (500, 503, 765, and 770)
    • Lippert (1716)
    • RBW (7028)


5th Airborne Premium Fifth Wheel Air-Ride Coupler

  • 1. Rear mounted, heavy-duty shock absorber
  • 2. Enclosed air spring also absorbs shock
  • 3. King pin - connects to the fifth wheel trailer hitch in the truck bed
  • 4. Pivot point - allows king pin to move up and down

Note: It is recommended that if sitting idle for more than a week, that the air springs be drained to relieve pressure on the system

5AB-E510-710 5th Airborne Premium Fifth Wheel Air Ride Coupler - Extended - 12-1/2" Wide Air Ride

5AB-E510-710 Installation InstructionsInstallation Details 5AB-E510-710 Installation instructions

California residents: click here

Customer Reviews

5th Airborne Premium Fifth Wheel Air Ride Coupler - Extended - 12-1/2" Wide Air Ride - 5AB-E510-710

Average Customer Rating:  4.7 out of 5 stars   (12 Customer Reviews)

The 5th Airborne premium fifth wheel air-ride coupler acts as a buffer between the tow vehicle and the trailer, minimizing the abuse sustained from turbulence on the road and giving you the smoothest ride possible by reducing shock.

- 5AB-E510-710

Installed this in 10 minutes. Super Easy to install, you can do it by yourself if you're strong and have some skills. Having a helping hand doesn't hurt though. Although the custom bed isn't done on my truck, it's time for vacation. I used a new B&W turnover ball and companion 5th wheel hitch and connected my newly (easily) installed Airborn air bagged pin box.... rides like a dream!!!!! I shouldn't have used my other non-air ride pin box for 10 years! This pic shows my test run, usually the car is a boat. 209949


DarrenI see you have a flatbed installed on your truck. What issues did you have with height and length of bed? What brand bed and size of bed did you use? I will need to do the same thing to my f350. Tx. Dennis

-- comment by: Dennis C - 12/16/2015


Hi Dennis, This is a slightly unique emphasis on slightly truckbed combo. First of all its a 5500, not a 3500. 1 ton and smaller Ram, Ford, Chevy all have a 56 CA cab axle, the commercial versions 450

-- comment by: Daren - 12/18/2015


- 5AB-E510-710

Little disappointed, specs say 12 1/2 in. It’s 12 1/4. Well my pin box is 12 1/2 not 12 1/4, not good. NO where in the installation instructions does it mention the spacer kit. So for another $50 I have to buy one. At least add a note that the kit may need to be added. 643257

- 5AB-E510-710

Got it Installed ! Too heavy to install without some kind of Lift Equipment , or a couple strong friends . Works good, but still trying to get it .... Fine Tuned for the best ride ( Air Pressure and the slotted air bag placement ) Did not seem to help at all on the ..... Chucking Problem . 513788


The pin box itself is one element that can cause chucking. The design of the hitch jaw slide bar type jaws can allow a lot of movement of the king pin and even the way the brake controller is adjusted can all allow chucking. Starting the air pressure out around 80 psi is recommended. If the ride is harsh, let pressure out about 5-10 psi at a time until the ride becomes smoother.

-- Mike L - 05/30/2018


- 5AB-E510-710

I have found the 5th Airborne exactly what I needed. The ride when pulling the 5th wheel has smoothed out and it makes pulling the trailer more enjoyable and less frightening for my wife. 482759

- 5AB-E510-710

Great hitch.I love it. 440449

- 5AB-E510-710

Mounted right up on the trailer 2006 Prowler , have not used it yet , looks like great quality hooked up to the pickup and the trailer was level usingthe same holes,I would of rated as a five but the air valve was damaged, and didn't look like it was in shipping that it happened, package that way,it's fixed and worse great 378093

- 5AB-E510-710

Worked perfectly. Installation was straight forward. This set up works well with our 30' with one slide rv. 369551

- 5AB-E510-710

The staff was fantastic,had a problem with the king pin box, shipped the wrong one first time but they shipped out the correct one the very next day received when she said it would be delivered. I have installed both products with no problems and will recommend to all my RV friends to use your company. 186464

- 5AB-E510-710

Was what it said it was Did more than expected Shipping was fast Staff was Great to work with 156472

- 5AB-E510-710

I have not used it but I just got installed on 8-27-14, I am looking forward to pulling my Camper with very litte worries of movement inside of my Camper, My Friend has one on his Camper and he is the reason I bought mine because of the diffence he said it made for him when he pulled his Camper. 149130

- 5AB-E510-710

I haven't used the air ride pin box yet, but I will be going on a trip this weekend. Installation was a breeze with the help of my son to place in position. It took about 45 min. to remove the old pin box and install the Airborne. Another 30 min. to secure the electrics and trailer emergency brake switch. 145985

- 5AB-E510-710



Ask the Experts about this Reese Fifth Wheel King Pin

Do you have a question about this Fifth Wheel King Pin?

  • How to Choose the Correct Sidewinder for Your Pin Box Without Using the Model Number
  • It is possible to determine the correct sidewinder if you do not know the make and model of your pin box. You will need to take some measurements of the pin box width, horizontal distance, vertical distance, front row to king pin, rear row to king pin and bolt size. I have attached an image that shows where to take these measurements. I have also attached a document that explains the measurements and has a chart showing the measurements of certain pin boxes.
    view full answer...

  • Sidewinder Pin Box Recommendation for a Lippert 1716 Pin Box on Fifth Wheel Trailer
  • I have a solution for you, but I can't recommend you install a pin box designed for a different pin box on your trailer that originally has a 1716 Lippert on it. Since you are looking for a longer pin box most likely you are looking for something to give you additional clearance for turning. Instead you would want the Sidewinder part # RP61410 that has been confirmed as a fit for your trailer and will move the pivot point of your trailer back 22 inches which will give you better clearance...
    view full answer...

  • Recommended Air Ride Pin Box Options for Upgrade from Factory Lippert 1716 Pin Box
  • For your Lippert 1716 pin box, there are two compatible air ride pin boxes and a third that has air ride but also increases turning clearance. The Lippert Trailair Air Ride 5th Wheel Pin Box # LC158777 is a confirmed fit as is the Reese 5th Airborne Premium Fifth Wheel Air Ride Coupler # 5AB-E510-710. The difference between these systems is the position of the shock absorber. In the Trailair it is clearly in front of the air bag and on the 5th Airborne it is enclosed and behind the...
    view full answer...

  • How to Measure to Determine the Model Name and Number of a Pin Box
  • The number you gave me doesn't match any pin box models that I could find. But what you can do is check out the FAQ article I attached that shows you how to determine the pin box name and model number based on the dimensions of the pin box.
    view full answer...

  • Best Option Gooseneck Hitch to 5th Wheel Trailer Connection For 2001 Ram 2500 and 2003 Actic Fox
  • For your 2001 Ram 2500, the fact that you have the B&W Turnoverball Underbed Gooseneck Trailer Hitch w/ Custom Installation Kit - 30,000 lbs # BWGNRK1394 is a great start. This is a great hitch and the Extended Latch Pin Handle for B&W Turnoverball Gooseneck Trailer Hitch - 17" # BWGNXA1800 will keep you from getting under the truck to release the hitch ball. For your 5th wheel trailer you do have the option of the Reese Goose Box 5th-Wheel-to-Gooseneck Air Ride Coupler Adapter -...
    view full answer...

  • Recommended Pin Box Replacement for Lippert 1716 To Add Air Ride Suspension
  • For your chucking issue on your 2011 Dutchmen Grand Junction trailer with Lippert 1716 pin box, you can either address the chucking at the hitch, or the better option is adding air to your pin box replacement. Unfortunately there is not a Flex-Air option for your pin box replacement. There are however two really good options for you to consider. The first is the Trailair Air Ride 5th Wheel Pin Box - Lippert 1716 - 21,000 lbs # LC158777 which has the air bag and shock combination that...
    view full answer...

  • Recommended Air Bag Pin Box for Use with a Demco Hijacker Autoslide on a 2018 Ford F-350
  • I highly recommend going with a 5th Airborne pin box over the MorRyde mainly because other customers have said that they like the way the 5th Airborne rides over the MorRyde. The 5th Airborne is a premium pin box that greatly increases the ride quality of your trailer by using the shock and air spring for a smoother ride. This is compatible with your Demco Hijacker Autoslide 5th Wheel Hitch # DM8550024 when used with the Locking Plate # DM6026. The 5th Airborne pin boxes are pin box...
    view full answer...

  • Replacement Air Ride Pin Box for 5th Wheel Trailer with Damaged Lippert 1716 Pin Box
  • The first thing I would do is have a reputable shop take a look at where the pin box mounts to the trailer and the frame above that which is covered by the trailer body because there could be unseen damage that could result in a failure down the road even if the pin box is replaced. Assuming that is all fine then going by the measurements is pretty much the definitive way to figure out which pin box will fit. If you have down the measurements and they match up to the Lippert 1716 then...
    view full answer...

  • Solution for Leaking 5th Airborne Pin Box
  • If you can't find the leak on the bag anywhere most likely you have a slow leak coming out of the valve. What you'd need then is the # 58382 which will replace the fitting and valve.
    view full answer...

  • How to Reduce Eliminate Fifth Wheel Trailer Chucking
  • What you're referring to is called chucking, the unwanted fore and aft movement of the trailer. If the fifth wheel hitch you're using has a slide bar jaw or a two piece jaw that's worn and has lots of play in it, it would cause the chucking you're experiencing. Even though the king pin might be held by the hitch jaws so it's in no danger of popping out. If the jaws allow any play at all the king pin's rattling around in the hitch jaws will be transferred to the vehicle, which isn't very...
    view full answer...

  • Best Way to Reduce Fifth Wheel Towing Chucking
  • The hitch you use will play a huge factor in how much chucking you will experience. If the hitch uses a slide bar type jaw which leaves a lot of room for movement you are going get more chucking. If you use a hitch with a very tight jaw system like the Reese Select Plus # RP30081 chucking would be greatly reduced. In nearly every situation of chucking we have seen the solution has been to go with a fifth wheel hitch that has less movement. Cushioned pin boxes like the one you referenced...
    view full answer...

  • Which Reese 5th Airborne Pin Box Fits as Replacement for Lippert 1621 Pin Box
  • I have exactly what you are looking for, but the part # 5AB-E510-710 does not fit as a replacement for a Lippert 1621 pin box. Instead the part number that does fit the Lippert 1621 is the part # 5AB-E1621-16K so that is what you would need.
    view full answer...

  • Recommended Replacement Air Ride Pin Box for 2008 Jayco Eagle with Extended Pin Box
  • Thank you for the measurements! I have a few options for your pin box replacement. The Leland 7920 is the closest to what you have and any pin box compatible as a replacement for it will also be compatible with your Dexter pin box. For the air ride replacement, you can use the Trailair Air Ride 5th Wheel King Pin # UF35-946208 made by Lippert or you can use the Reese 5th Airborne Premium Fifth Wheel Air-Ride Coupler # 5AB-E7920. Both of these are rated for up to 21,000 lbs, so they...
    view full answer...

  • Comparing Reese 5th Airborne Air Ride Pin Boxes for 5th Wheel Trailers
  • The 5th Airborne Premium Fifth Wheel Air Ride Coupler - Extended - 12-1/2" Wide Air Ride # 5AB-E510-710 is rated for 21,000 lbs and is a replacement for Lippert 1716, Fabex (500, 503, 765,and 770), and RBW 7028 pin boxes. The 5th Airborne Premium Fifth Wheel Air Ride Coupler - 16,000 lbs Capacity # 5AB-E1621-16K is a replacement for Lippert 1621. The differences other than capacity are in the width and the bolt mounting pattern. I've attached an article to help if needed. Also,...
    view full answer...

  • Best Air-Ride Pin Box to Replace Stock Unit on 35-Foot 5th Wheel with 11,300-lb Dry Weight
  • An air-ride pin box such as the 5th Airborne unit you referenced, part # 5AB-E510-710, will provide a substantial improvement in ride quality as compared to standard rigid pin boxes without an air bag and shock absorber. This will be especially true for a large trailer like yours. Replacement pin boxes must be chosen based on the part number of the existing pin box. This will ensure simple bolt-on installation of the replacement. The linked article includes a table with a pin box cross-reference...
    view full answer...

  • Does Adding a Sidewinder Increase the Weight Carried by the Truck
  • Yes, moving the trailer further from the hitch can increase the leverage applied to the hitch. However, with a Sidewinder only the pivot point of the trailer is moving not the actual trailer itself. The amount of weight that is at the hitch will be about the same. The way a Sidewinder works is it does not allow the trailer to pivot at the king pin in the hitch. It uses a wedge on the bottom of the Sidewinder arm that fits against the king pin and between the two sides of the funnel...
    view full answer...

  • Correct 5th Airborne and Sidewinder for Lippert Pin Box 1116
  • If your truck bed is shorter than 6 feet, I recommend using a sidewinder. The 5th Airborne Premium Fifth Wheel Air Ride Coupler, # 5AB-E510-710, will not work with the Lippert 1116. There currently is not an extended pin box option for the Lippert 1116. The 5th Airborne and Sidewinder that will fit the Lippert 1116 pin box is the 5th Airborne with Sidewinder Premium Fifth Wheel Air-Ride Coupler for Short Bed Trucks, # RP61412. To figure out the clearance, there are some measurements...
    view full answer...

  • Replacement for RBW 7028 Pin Box to Reduce Chucking and Improve Ride Quality
  • The perfect solution to replace your RBW 7028 pin box is the Reese 5th Airborne # 5AB-E510-710. It greatly reduces vertical shock that is caused by traditional rigid pin boxes, which means you'll encounter some 60% less chucking. It also protects your trailer by reducing the amount of vibration to the the frame, which is more than just an added bonus, it's a way to protect your investment. The 5th Airborne # 5AB-E510-710 is the most economical option to replace your RBW 7028 and it...
    view full answer...

  • Cushioned 5th Wheel Pin Boxes Available to Replace Lippert 1716 Pin Box
  • We currently offer several aftermarket 5th wheel pin boxes that are direct bolt-on replacements for the Lippert 1716. 5th Airborne Premium Fifth Wheel Air Ride Coupler # 5AB-E510-710 is a 21K-rated cushioned pin box that replaces the Lippert 1716 as well as others from Fabex and RBW. Reese offers an Air-Ride Sidewinder pin box # RP61412 rated for 16K that also bolts on in place of the 1716 pin box, as well as 10 others. In addition to the cushioning benefit it offers the advantage...
    view full answer...

  • Will Andersen Ultimate Connection 5th Wheel Trailer Hitch System Work With 5th Airborne Pin Box
  • You can use the Andersen Ultimate Connection 5th Wheel Trailer Hitch System, part # AM3200 with your 5th Airborne pin box on your fifth wheel trailer. The # AM3200 has a capacity of 20,000-lbs and installs in the gooseneck ball hole in the bed of your truck. This adapter is constructed of aluminum so it is lighter and will not corrode. An adapter like # AM3200 cannot be used with a Sidewinder due to the problem that you would have two pivot points and would be a safety issue, but...
    view full answer...

  • What Should the Air Pressure be in a 5th Airborne Premium Fifth Wheel Air Ride Coupler
  • You will want the air pressure in the air bag that is inside of the 5th Airborne pin b ox to be 80 to 100 psi to start. Do not exceed 120 psi. At 11.5 pounds per square inch the air bag would not be doing its job. You may have a leak somewhere. To determine if there is a leak and where you will need to pour some soapy water on the valves and the air bag itself. If it starts to bubble then you know there is a leak in that location. You could replace the lines using # 58382. The valve...
    view full answer...

  • What is the Length of the 5th Airborne Premium Fifth Wheel Air Ride Coupler, # 5AB-E510-710
  • I went out to the warehouse to measure a 5th Airborne Premium Fifth Wheel Air Ride Coupler, # 5AB-E510-710. From the back row of bolt holes to the center of the king pin measures 27-1/2 inches. The total overall length is 37 inches. You can compare these measurements to the pin box that is currently on the trailer. Since you have a short bed truck, you will benefit more from a Sidewinder that allows for more clearance than a slider 5th wheel trailer hitch. A round tube slider will travel...
    view full answer...

  • Will 5th Airborne Premium Fifth Wheel Air Ride Coupler, # 5AB-E510-710, Fit a Lippert 1716 Pin Box
  • Yes, the 5th Airborne Premium Fifth Wheel Air Ride Coupler, # 5AB-E510-710, that you have referenced will fit the Lippert 1716 pin box on your trailer. I have included a link to the installation instructions for you. We have a few other options that will also fit. I have included a link to them for you to view along with a link to an FAQ article on 5th Airborne Premium Fifth Wheel Air Ride Couplers.
    view full answer...

  • How to Pick Out a Cushioned Pin Box with Better Turning Clearance for Fifth Wheel Trailer
  • Fifth wheel trailer come with a few different pin box lengths. There are short, medium, long, and telescoping pin boxes. The part # 5AB-E510-710 is designed as a replacement for a trailer that has an extended pin box already. One that has one of the following pin boxes: Fabex 500, 503, 765 and 770 Lippert 1716 RBW 7028 To pick out an air ride pin box you will first need to determine what pin box you have and then pick out the correct replacement. This information will be listed...
    view full answer...

  • Can Reese Sidewinder be Used with a B and W Companion 5th Wheel Trailer Hitch on a 2012 Ford F-250
  • Reese actually states not to use the Sidewinder with B and W 5th wheel trailer hitches, including the Companion hitch, because it will put to much stress on the hitch, which is not secured enough to handle the rotation at the locked-out head of the hitch. A slider hitch is going to be the way to go. The slider that fits the Ford prep package is the Reese Elite Series, # RP30144. But another option is to use the Reese Elite adapter, # RP30156, and a more economical hitch like # RP30075...
    view full answer...

  • Original Pin Box Number For 2007 Keystone Challenger 32RKS
  • There should be a sticker or plate on the pin box itself that lists the manufacturer and model of the pin box. If it is not present then there are some measurements you can take to determine the model of the pin box. I have included a link that explains these measurements for you. Once you know the pin box number, I would be happy to help you find a replacement.
    view full answer...

  • 5th Wheel Trailer Rides Too High at the Front when Towed with a 2014 Ram 2500 4x4
  • Using a different pin box is not going to give up the amount of drop you are looking for at the front of your 5th wheel trailer. There are some things you can do to adjust the height of the trailer though. Most 5th wheel hitches and pin boxes are height adjustable. If you were to adjust the hitch down and the pin box up it will lower the front of the trailer. Remember that you need 5 or 6 inches between the tops of the bed sides and the bottom of the trailer overhang. If this adjustment...
    view full answer...

  • How to Determine the Make and Model of the OEM Pin Box on a 2004 Raptor Toy Hauler
  • There are three ways to determine what pin box is on your 2004 Raptor toy hauler. The easiest way to determine which pin box you have is by looking on the pin box. There should be a sticker that gives the pin box manufacturers name and the model number. If you cannot find the sticker or it is not legible, another way to find the pin box information is to contact the trailer manufacturer directly. They can determine which OEM pin box was installed on your trailer using the trailers serial...
    view full answer...

  • Availability of an Extended Fifth Wheel Pin Box to Replace Leland 7910 on a 2007 Sportsman Trailer
  • We offer several pin boxes that are direct bolt-on replacements for your Leland 7910 pin box. These three pin boxes are rated at 18000 lbs or more and can be seen on the link provided. Please note that none of these is an extended pin box, however part # ST400-SW19K from 5th Airborne is a Sidewinder pin box that can provide improved clearance between your truck and trailer if you are using a fixed non-sliding hitch. Installation instructions are attached. (Sidewinders cannot be used...
    view full answer...

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