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How to Measure to Determine the Correct 5th Wheel to Gooseneck Adapter

Question:

how do I know how long my adaptor needs to be?

asked by: cody c


Expert Reply:

You will need to measure to determine how long the fifth-wheel to gooseneck adapter will need to be.

Park your fifth-wheel trailer on a fairly level surface. Back your vehicle under the fifth-wheel trailer stopping when the center of the king pin is directly above the gooseneck hitch ball, measure from the top of the gooseneck ball on the truck to the base of the pin box on the trailer. This will give you the measurement needed to select an adapter.

The adapters we offer range between 12 and 16 inches. I have listed some examples below for you.

Ranch Hitch Universal 5th-Wheel-to-Gooseneck Coupler Adapter, item # AM3100
Fifth Wheel to Gooseneck Cushioned Trailer Adapter, item # CAB-C5G

If you need an offset for a short bed truck then you will need to measure the width of the fifth-wheel trailer and divide that number in half. Next measure the distance from the cab to the center of the gooseneck ball. If this distance is at least 6 inches longer than half of the trailer then you will have clearance if not we have an 8 inch offset adapter, item # AM3139, that should work for you.

expert reply by: Bob G




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Products Referenced in This Question

Ranch Hitch Universal 5th-Wheel-to-Gooseneck Coupler Adapter


Ranch Hitch Universal 5th-Wheel-to-Gooseneck Coupler Adapter

ratingratingratingratingrating
11 reviews

AM3100

Retail: $449.99

Price:  $414.95

Product Summary:

Adapts Trailer
Fifth Wheel Trailer to Gooseneck Hitch
No Offset
24000 lbs GTW

Product Specs:

Adjustable Height
Bolts Over King Pin
King Pin Adapters


more information        




Ranch Hitch Universal 5th-Wheel-to-Gooseneck Coupler Adapter w/8" Offset for Short-Bed Trucks


Ranch Hitch Universal 5th-Wheel-to-Gooseneck Coupler Adapter w/8" Offset for Short-Bed Trucks

ratingratingratingratingrating
8 reviews

AM3139

Retail: $499.99

Price:  $474.95

Product Summary:

Adapts Trailer
Fifth Wheel Trailer to Gooseneck Hitch
Offset
24000 lbs GTW

Product Specs:

Adjustable Height
Bolts Over King Pin
King Pin Adapters


more information        




Convert-A-Ball Cushioned 5th-Wheel-to-Gooseneck Adapter - 12" to 16" Tall - 20,000 lbs


Convert-A-Ball Cushioned 5th-Wheel-to-Gooseneck Adapter - 12" to 16" Tall - 20,000 lbs

ratingratingratingratingrating
86 reviews

CAB-C5G

Retail: $538.38

Price:  $444.95

Product Summary:

Adapts Trailer
Fifth Wheel Trailer to Gooseneck Hitch
No Offset
20000 lbs GTW

Product Specs:

Adjustable Height
Bolts Over King Pin
King Pin Adapters


more information        





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