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Expert Answers about Toyota King Pin Locks


  • How Does the etrailer.com 5th Wheel Trailer King Pin Lock Install
  • The etrailer.com 5th Wheel Trailer King Pin Lock, part # e98896, is a collar that is designed to lock around the king pin of your fifth wheel trailer. It is to prevent somebody from hooking up to your fifth wheel trailer.
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  • Does a Wedge for a Sidewinder Interfere with Ultra Fab King Pin Lock # UF48-979008
  • The Ultra Fab King Pin Lock is universal, so it will work with any kingpin. We actually went out to the warehouse to test if the wedge would interfere with the lock. We confirmed that part # UF48-979008 work great with a wedge installed, no interference. If you would be interested in viewing a product demonstration of the King Pin Lock, click on the provided link.
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  • Is a King Pin Lock and The Demco Autoslide Locking Plate Meant to Be Used Together?
  • The AMPLock King Pin Lock for 5th Wheel Trailers # AMP77FR you mention is for deterring theft, while the Demco Autoslide Locking Plate for MOR/ryde Pin Boxes # DM6025 is designed to prevent your king pin from pivoting inside your hitch. The two would not be used interchangeably and are meant to be used separately. So when you're towing you'd use # DM6025, and when you get to your campsite and unhitch you'd use # AMP77FR to protect your king pin. You could also use a smaller lock like...
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  • Locking Out A 5th Airborne 5th Wheel King Pin W/ Sidewinder And Turret
  • To "lock out" your 5th Airborne Premium 5th Wheel Air Ride King Pin w/ Sidewinder and Turret - 16,000lbs Item # RP61422 you'll need to place a 3/4 inch X 5-1/2 inch grade 5 bolt with a washer, lock washer, and nut in the each of the two holes at the rear of the turret. This will lock the rotating turret to allow you to use your 5th Airborne Sidewinder king pin like a normal king pin. Note: Don't forget to remove the wedge to allow your king pin to rotate in your 5th wheel hitch.
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  • Replacement 5th Wheel King Pin Lock
  • I have a solution for you but Curt does not offer replacement keys for their 5th wheel hitch locks. I recommend replacing it with the etrailer 5th Wheel King Pin Lock - Keyed Alike item # e98896. It includes two reversible, automotive-style keys. The locks can be keyed-alike to match other etrailer locks. If the Curt pin lock is on your 5th wheel and you have lost the keys you can drill the tumblers out of the lock. The best way to do that is to start with a smaller diameter bit and work...
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  • How to Lock Out the Sidewinder 5th Wheel King Pin for Towing with an 8 foot Bed 2003 Dodge Truck
  • Yes, there is a way to lock out the rotating turret on the Sidewinder Fifth Wheel King Pin, # RP61450. The first step is to remove the wedge that keeps the hitch from rotating at the fifth-wheel hitch in the bed of the truck. You will then need to install two 3/4 inch X 5-1/2 inch grade 5 bolts washers lock washers and nuts in the location at the rear of the turret, see photo. Once these bolts are installed the king pin will rotate in the normal position in the fifth-wheel hitch. The...
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  • Difficulty Coupling the Demco Hijacker Autoslide 5th Wheel Trailer Hitch w/ Slider
  • I am not exactly sure what you are referring to as the "glide plate" but if you are referring to the capture or locking plate that installs on the pin box then no, you cannot remove this as it prevents the kingpin from pivoting inside the hitch head. If you are having a hard time coupling the trailer you will want to refer to the steps I have listed for you below. It will be beneficial to you to make sure everything is properly greased and in working order. 1. Place wheel chock on each...
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  • How Does a King Pin Attach to the Andersen Ultimate Connection 5th Wheel Trailer Hitch # AM3200
  • The Andersen Ultimate Connection 5th Wheel Trailer Hitch System part # AM3200 comes with a king pin coupler adapter that gets installed on the pin box of the trailer via bolts/nuts and then allows for you to attach to the hitch ball on the hitch. I have attached a photo for you which shows this adapter. Please note that this system is not designed for trucks with beds shorter than 6' long.
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  • Hitching Procedure for Pro Series 16K 5th Wheel Trailer Hitch
  • I checked with Pro Series regarding the hitching procedure for your 5th Wheel Trailer Hitch model 30855. As you mentioned reading in the instruction manual, you should leave the handle in the closed position while backing the truck slowly into the trailer. As the king pin enters the hitch, it will push the hitch jaws open and extend the handle. Then when the king pin completely enters the head, the jaws will spring closed around the king pin. The handle will also return to the closed position....
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  • Do Demco Hijacker Locking Plates Have to Be Set Every Time You Tow Trailer
  • The locking plate of the Demco Hijacker part # DM8550037 is something that installs onto the king pin of the trailer you will be towing to prevent the king pin from turning in the hitch head. The plate allows the head of the hitch to turn with the trailer which activates the slider portion of the hitch. It would only require the initial installation. I attached a page that has all of the locking plates we offer.
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  • Can B&W Companion Hitch on Long Bed Truck be Used with Reese Sidewinder/Revolution
  • If your 2018 Ram 3500 has the long bed (8 feet), you should be able to simply lock out the Revolution King Pin on your new trailer. The reason the B&W Companion # BWRVK3500-5W isn't compatible with the Sidewinder/Revolution is simply because it changes the pivot point of the king pin. With a long bed truck, you won't actually need this extended pivot point, so it can be simply locked out so that it does not pivot at the turret. This will make it so the only pivot point is at the hitch itself,...
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  • Demco Hijacker Autoslide 5th Wheel Trailer Hitch w/ Slider & Turning Point King Pin Box
  • The Demco Hijacker Autoslide 5th Wheel Trailer Hitch w/ Slider, # DM8550040 and other 5th wheel slide type hitches are not designed to be used with rotating turret type king pin boxes such as the Lippert Turning Point or Reese Sidewinder 5th Wheel King Pin with Rotating Turret, # RP34FR. Please note the attached product video. We have listed on our product page "Note: This fifth-wheel trailer hitch is not compatible with Sidewinder or Revolution king pins. Do not use any device that...
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  • My 5th Wheel Hitch Has Small Gap on Jaws When Connected to King Pin
  • The jaws on 5th wheel hitches like your Reese # RP30051 aren't going to be perfectly circular and actually have a slight elliptical shape to them. Due to this elliptical shape the jaws will not completely close around the pin when hooked up to the trailer and a small gap is common. A gap of approximately 1/8 of an inch is well within in tolerance limits. If you have this small gap, and the handle is properly secured as you have mentioned then you should be good to go. You're indicating...
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  • Are Jaws Open or Closed on Reese Hitch When Hooking Up
  • For the Reese Reese 5th Wheel Trailer Hitch, # RP30047, the manufacturer instructions state: Rotate latch toward trailer and free of groove in handle. NOTE: Hitch jaws will not open and proper hitching cannot occur if latch is in handle groove. With handle in the closed position, back truck slowly into trailer. As the trailer king pin enters the hitch it will push the hitch jaws open and extend the handle. As king pin completely enters head, jaws will spring closed around king pin and...
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  • Reese 5th Wheel Jaws Are Not Closed as Much When Trailer is Connected When Hitch is Empty
  • My contact a Reese told me that it is normal for the jaws of the Reese 5th Wheel Hitch # RP30047A to not touch as when connected to a trailer as they do when the hitch is empty. The jaws are designed to lock the king pin in place in the hitch head. They do not have to be completely surrounding the pin to achieve a secure fit. As long as you the king pin is set in place in the jaws and the handle can lock, there will be no issue with your hitch connection.
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  • What Size Lock-Out Bolts Are Needed for the 5th Airborne Premium Sidewinder King Pin
  • In order to lock-out the turret on the 5th Airborne Premium 5th Wheel Air Ride King Pin w/ Sidewinder and Turret you will need to use two grade five 3/4"-10 x 9" hex bolts and the corresponding lock nuts and washer. Unfortunately, we do not carry this size bolt so I cannot provide an exact part number but you should be able to find these at a local hardware store. Please note, you also will need a torque wrench capable of 275 ft. lbs. and a 1-1/4" socket.
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  • What Bolts Are Needed To Lock Out Reese Sidewinder 5th Wheel King Pin
  • In order to lock-out the turret on a Reese Sidewinder 5th Wheel King Pin like part # RP34FR you will need to use two grade eight 3/4"-10 x 9" hex bolts and the corresponding lock nuts and washer. Unfortunately, we do not carry this size bolt so I cannot provide an exact part number but you should be able to find these at a local hardware store. Please note, you also will need a torque wrench capable of 275 ft. lbs. and a 1-1/4" socket.
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  • How to Install and Tighten Covert-A-Ball Cushioned 5th-Wheel-to-Gooseneck Adapter
  • The allen head screws that hold the collar to the king pin on the trailer do not have a torque spec. You will tighten them down evenly using the appropriately sized allen wrench. Slide the locking collar over the the trailer king pin. Before tightening allen-head screws, rotate the collar so that the locator notch on the front of the collar is in the exact center of the front of the king pin box. Tighten each of the allen-head screws evenly, making sure the allen head screws rest on the...
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  • When the Curt A Series Hitch Jaw Are Unlocked will They Open Up When Trailer King Pin Is Present
  • When you go to disconnect from the king pin of your trailer with the Curt A20 fifth wheel hitch part # C16541 you will need to pull out on the handle to release the jaws of the hitch. Since the spring pressure of the jaw mechanism isn't powerful enough to move either your truck forward or the trailer back the king pin will stay in the same position and the jaws may not move much. Pulling forward at this time with the truck will allow the king pin to slide forward and the jaws of the hitch...
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  • How Close Does A Sidewinder Wedge Kit Need To be To The King Pin When Coupling In A Hitch
  • Per Reese, the wedge on your Reese Sidewinder # RP34FR just needs to be snug against the funnel (pictured below) after the king pin has been locked into the jaws of your Reese M5 5th Wheel Trailer Hitch # RP30928. If you're using the universal wedge that comes with your Sidewinder that could be why it's not pulling in as close to the king pin. Reese has designed custom wedge kits to fit specific hitches and get a tighter fit. For your M5 hitch you'll want the # RP44FR. Once the wedge...
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