Longest 5th Wheel Pin Box Based on Front Bolt Holes to King Pin

Question

Question:

pin box what is the longest pin do you have in your picture it would be 3a

asked by: Leighton K

1

Helpful Expert Reply:

The longest pin box we offer based on the measurement you referenced, which is the distance from the front bolt holes to the king pin, is the Lippert 1716 5th Wheel Pin Box # LC1324791.

The measurement from the front bolt holes to the king pin (the "3A" measurement) on this pin box is 20-3/8 inches; from the back bolt holes to the king pin (the "3B" measurement) it measures 29-1/8 inches.

expert reply by: Kyle S

1

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Answer 1

I spoke with my contact at Lippert regarding the existing Lippert 1716 Pin Box #LC1324791 on your trailer. He stated that you can actually replace the pin box with the Lippert 1116 Pin Box #LC1270271, which is shorter than what you have but uses…

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Answer 2

On Lippert 1116 pin box #LC1270271 it measures 14-5/8 inches from the center of the king pin to the center of the nearest row of bolt holes.

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Answer 3

For all intents and purposes there is no difference between the Lippert 1621SHD part #LC1387882 and the Lippert 1621 #LC1387883.

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Answer 4

The measurements for the Lippert 1716 5th Wheel Pin Box - 15,500lbs #LC1324791 are as follows: 3A: 20-3/8" 3B: 29-1/8"

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Answer 5

You are on the right track. To determine what pin box you have so you can upgrade to a Sidewinder you have will need to take measurements of your current pin box. Check out the FAQ article I attached that will walk you through exactly how this is…

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Answer 6

The extended notation you have mentioned for the Lippert 1621 5th Wheel Pin Box part #LC1387883 is in regards to the style. This is also know as the "long" style and there are several other pin boxes with this style that have similar…

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Answer 7

It definitely sounds like you could benefit from raising the height setting on your Demco Hijacker Autoslide 5th Wheel Hitch #DM8550024. We recommend at least 6 inches of clearance between the top of the truck bed rails and the bottom of your…

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Answer 8

The B&W Extend-A-Goose Gooseneck Coupler #BWTEXA4200 will provide 10-inches of offset for better clearance between the truck and trailer. It sounds like you are using a B&W Offset ball like #BWGNXA4085 which gives you 4-inches of offset. It…

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Answer 9

The Lippert 5th Wheel Pin Box #LC1191201 referenced in your question is a direct replacement for a factory Lippert model 1716 pin box. Different pin box models have varying mounting hole dimensions so when looking for a replacement you first need to…

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Answer 10

You don't have to take the tailgate off of your 2007 Dodge Ram 2500 short bed for 5th wheel towing. That is usually only an issue on beds shorter than 6 feet when people try to use a slider hitch. To determine if the Lippert 1716 pin box…

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Answer 11

The best option in a replacement 5th wheel pin box for your trailer to avoid clearance issues with the bed rails is a Sidewinder. A Sidewinder replacement pin box moves the trailer pivot point rearward by 22-inches. This means that the pin box itself…

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Answer 12

A replacement air ride pin box like what Trailair manufacturers will be specific to the OEM pin box on your fifth wheel. Your existing pin box should have a sticker or label on it that identifies the manufacturer and the model number of the pin box.…

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Longest 5th Wheel Pin Box Based on Front Bolt Holes to King Pin

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