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Expert Answers about King Pin Locks


  • Can I Use the Blaylock King Pin Lock on a Semi-Trailer
  • Semi-truck king pins and 5th wheel king pin's typically are not the same size and the Blaylock # BLTL-70-40D is designed for use with 2" diameter 5th wheel king pins. If your semi trailer does not have a larger 3-1/2" king pin then you could use the Blaylock # BLTL-70-40D to secure your trailer.
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  • Will a MOR/Ryde Pin Box Need to Use a Catch Plate With the Demco Hijacker 5th Wheel Hitch
  • On all MOR/Ryde cushioned pin boxes , the Demco Catch Plate, # DM6025, will have to be installed for the pin box to be able to work with the Demco Hijacker Autoslide 5th Wheel Hitch, # DM8550034. My contact at Demco confirmed with me that using this catch plate will keep the MOR/Ryde king pin from rotating in the Hijacker's hitch head. This will make the connection between the hitch and king pin secure to allow the Demco hitch to correctly operate the auto slide feature.
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  • Why is the Locking Plate # DM6025 Required for a MOR/ryde Pin Box When Using the Autoslide Hijacker
  • Most pin boxes, like the common Lippert 1621 # LC1191191, have a solid connection to the king pin and can be secured to the Demco Hijacker Autoslide # DM8550034 via the built-in brackets. Since the MOR/ryde pin boxes have a unique connection to the king pin the Locking Plate # DM6025 is needed so that the pin box can remain secure. This locking plate has a wedge on it so if you were to tow your trailer with a 5th wheel hitch that doesn't automatically slide (and has the same funnel size...
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  • Is The TrailAir 5th Wheel Pin Box Compatible With The Andersen Ultimate Hitch?
  • I took a look at the: - Ultra-Fab TrailAir Air Ride 5th Wheel King Pin # UF35-946203, which is made by Ultra-Fab and is no longer available from the manufacturer, and it turns out that tis pin box is not compatible with the Andersen Ultimate Connection 5th Wheel Trailer Hitch System with Adapter # AM3200, unfortunately as this pin box is not compatible with any type of gooseneck adapter, but I do have another solution. However, the: - Curt Air Ride 5th Wheel Pin Box # LC158778, which...
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  • Can I Use the 5th Airborne Rotating Pin Box with a B&W Turnoverball
  • The real issue here is that because any 5th wheel hitch, or adapter like the Demco # DM6140 is going to be secured by the center post in your B&W Turnoverball. The Turnoverball cannot handle the torquing that occurs when using a pin box with a rotating turret. However, you should be able to remove the wedge on your Reese 5th Airborne with a rotating pin box and lock out the rotating feature so that you're just using it as a standard non-rotating pin box. In order to lock out the pin box...
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  • Sidewinder Fifth Wheel King Pin with Rotating Turret for a 2009 Dodge Pickup
  • You can most likely use a Sidewinder with the hitch you currently have. You can replace the slide assembly on your Reese hitch with the standard legs, part # RP30727, which would be the safest option. Or you could retain the slider and keep it locked in the towing position, being aware that moving the slider with the Sidewinder installed can be very dangerous. You will need to know the trailer king pin type to select the proper Sidewinder Rotating Turret, because they are designed for each...
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  • Does Sliding 5th Wheel Hitch Need to Be Used With Lippert Turning Point Rotating 5th Wheel Pin Box
  • A rotating pin box like the Lippert Turning Point will relocate the pivot point between the hitch and pin box 22 inches rearward, from the point where the king pin locks into the hitch jaws to the point where the pin box turret attaches to the 5th wheel. This adds 22 inches of additional clearance, which will eliminate the need for a sliding hitch on short bed trucks. If you already have a sliding hitch, you can certainly still use it, but you'll want to be sure that the hitch stays in...
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  • Capture Plate Kit Needed For A Demco Hijacker And Pin Box Connection
  • If you're referring to the locking plates that sit on the head of the Demco Hijacker and clamps onto the pin box to lock the head to it then you'll need part # DM6171 if you have a Trailair or Rota-Flex pin box or part # DM76FR if you have a Lippert Rhino pin box. Based on your description of the pin box you most likely have the Lippert Rhino so you'd want to go with the # DM76FR. If it is a Rhino then it will should have Rhino labeled on the sides and possibly also the front.
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  • Is Locking Adapter Plate Needed for Demco Hijacker Autoslide on 2006 Ford F-250
  • The Demco Hijacker Autoslide Locking Plate # DM6095 referenced in your question works with just the Tri-Glide model of the Trailair Pin Boxes. It is required for the Tri-Glide design in particular because the 3 steel rods on this model act as rollers, letting the bottom jaw glide forward and back during towing. The locking plate is needed with the Demco Hijacker Autoslide # DM8550022 to prevent the king pin from rotating inside the trailer hitch. If your existing pin box is not the Tri...
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  • Wedge Needed For B&W Patriot 5TH Wheel Hitch Pulling Grand Design 5TH Wheel W/ Turning Point Pin Box
  • Yes, you will need to use the Wedge Block # LC79UD for the Lippert Turning Point pin box on your Grand Design 5th wheel RV camper. This is a universal block that will fit into the funnel on the B&W Patriot 5th Wheel Trailer Hitch # BWRVK3255 and prevent the pin box from pivoting on the king pin. Instead the pivot point will be back where the pin box mounts to the 5th wheel mounting plate. Do be sure remove the lock out bolts on the pin box before driving with the wedge installed.
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  • Which 5th Wheel Hitch and Compatible Sidewinder King Pin for 2017 Ram 2500 4x4
  • We've got just what you're looking for when it comes to the hitch and a Sidewinder style pin box for your 2017 Ram 2500. For the hitch I recommend using the B&W Patriot # BWRVK3255, since it can be adjusted up to 19" tall, which is the tallest available for hitches that will fit your 2017 Ram 2500. B&W is known for their high quality products and the Patriot is no exception; the dual locking jaws are 3/4" thick and provide 360 degrees of king pin contact, so there's better security and...
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  • Recommended Lube Plate for Reese 16K Sliding 5th Wheel Hitch RP30051
  • The Reese 16K Sliding 5th Wheel Hitch # RP30051 has a specific matching lube plate, which we offer, part # RP83002. Some other lube plates will indeed be too thick to let the king pin lock properly in the jaws.
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  • Capture Plates for Demco Hijacker 5th Wheel Hitch With Rota-Flex Pin Box
  • The Demco Hijacker Autoslide 5th Wheel Trailer Hitch # DM8550034 does need capture plates for a Rota-Flex pin box; you will need the Capture Plates for Trailair Rota-Flex Pin Boxes # DM6171. These will replace the standard capture plates on the Hijacker and the reason you need them is they are designed specifically to work with Rota-Flex pin boxes in order to prevent it from pivoting when it is inside your Hijacker. Additionally, to mount this hitch in your 2018 Ram 2500 you will need...
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  • Upgrading a LeLand 7910 Pin Box for Additional Turning Clearance on a Short Bed Truck
  • We have exactly what you are needing to give you additional clearance for your short bed truck! The Reese Sidewinder moves the pivot point of the trailer from the king pin to the turret of the pin box which will give you an additional 22 inches of turning clearance. This specific Sidewinder is a direct upgrade for your Leland 7910 and is rated for 16,000 lbs. A step up from the Sidewinder is the 5th Airborne Premium # ST400-5AS16K which is the exact same Sidewinder just with an added enclosed...
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  • 5th Wheel To Gooseneck Adapter For A Rhino Pin Box On A 2021 Ram With 6.2 Foot Bed
  • We have the perfect option for you! The Convert-A-Ball Cushioned 5th-Wheel-to-Gooseneck Adapter w/ Offset # CAB-C5GX1216 will work with your Rhino pin box and works with beds between 6 foot and 8 foot. The offset design provides additional clearance when making turns with short-bed pickups. The adapter has a fail-safe king pin adapter built in positive-lock feature to secure the trailer to the hitch ball. The safety chains are included. I attached a review video link below.
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  • Rotating Turret for Reese Sidewinder Fifth Wheel King Pin
  • The Rotating Turret # RP61300 is the turret that will fit the Sidewinder Fifth Wheel King Pin with Rotating Turret # RP34FR.
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  • Correct Capture Plate Needed for TrailAir Air Ride to Use With Pullrite 5th Wheel Hitch
  • In order to use a TrailAir Ride 5th Wheel Pin Box like the # LC158778 you will need to measure the the width of your pin box (A) and the distance from the leading edge of the king pin to the leading edge of the king pin plate (B). If your measurements are A = 13-3/8" and C = 7-3/8" you will need part 331758 which can be obtained from Pullrite.
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  • Replacement Actuating Handle Reese Fifth Wheel Pro Series 20k
  • I contacted the manufacturer about a replacement actuating rod but unfortunately not available. Their suggestion, if unable to repair then the head will need to be replaced if not the entire hitch. If necessary to replace and you want to stay with a 20K model, I suggest the Curt A20 5th Wheel Trailer Hitch # C16140. This has interlocking jaws and a color-coded lock indicator provide safety. Torsion head offers easy hookup and quiet, stable towing. The 2-jaw system provides 360-degree...
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  • Adapting Reese Revolution Pin Box and PullRite SuperGlide 5th Wheel Hitch
  • Generally speaking, it is not recommended to use a Revolution or Sidewinder pin box with any type of sliding 5th wheel hitch. The risk is that these two different pivot points could result in loss of control of the trailer and/or damage to the truck or trailer. I cannot be sure of exactly what effects your dealer's alternations will have, but we do offer a 5th wheel wedge designed specifically for use with PullRite hitches, part # SWW-09. This custom-fit wedge will prevent the king pin...
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  • Extra Long Hitch Pin for Toyota Tacoma Factory Hitch
  • The # Y8890200 hitch pin will fit the Yakima KingPin, but it still won't be long enough to pass through your wider that usual factory receiver on your Toyota Tacoma. You'll need to remove the threaded insert in the shank of your bike rack, and at that point you'll be able to use an extra long lockable hitch pin like # 34061072-D which is compatible with the receiver on your Tacoma. Because the pin isn't threaded, you'll lose the anti-wobble feature but it would secure the rack in your...
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