Popup Industries, Inc. PopUp Gooseneck to Kingpin Adapter, Straight – 4.5 in. Square Tube

With this PopUp Gooseneck to Kingpin Adapter, you can pull your gooseneck trailer from a fifth wheel hitch mounted to your semi-tractor or pickup. Simply replace the coupler with a king pin and easily switch back and forth. Note: This part measures 4.5-inch outside to outside. Please make sure it will fit your application as not all gooseneck trailer coupler tubes are sized consistently and can be undersized.

• PopUp Gooseneck to Kingpin Adapter
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• For Gooseneck Trailers with 4.5 in. ID Square Tube
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• Style: Straight
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• Rated at 30,000 lbs.
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• 18 in. Long x 4.5 in. Square Tube
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• 1-1/8 in. Holes Thru Both Sides
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• 10.5 in. Round Bolster Plate
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• S.A.E Standard 2 in. King Pin
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• Durable Black Powder Coat Finish
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• Made in America