What is Shortest Curt Fifth Wheel to Gooseneck Adapter
Updated 12/18/2025 | Published 12/16/2025
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Question:
Hello. I have a custom truck with welded in rail system with a Pullrite Super Fifth 2100 hitch mounted to them. I need a much lower profile goose neck ball hitch. Does the Curt Spider gooseneck hitch and the Pullrite Super Fifth both use the same rail system? Also, which of the two curt spider hitches are lower profile to the rails? I will be at max or near max adjustment on my trailer so low profile is paramount
asked by: Josh H
Expert Reply:
Hey Josh, so I looked up your Pullrite Super Fifth 2100 and since it was designed to fit the industry standard fifth wheel rails the Curt Spyder Gooseneck Trailer Hitch for Fifth Wheel Rails # C35HR would also work in place of it since it also fits the same rails. This is definitely the taller of the two compared to the other option which is the part # 16085.
The absolute shortest option we have though would be the part # 16055.
Product Page this Question was Asked From
Curt Spyder Gooseneck Trailer Hitch for Fifth Wheel Rails - 30,000 lbs
- Gooseneck Hitch
- Gooseneck for 5th Wheel Rails
- Fixed Ball
- 7500 lbs TW
- 30000 lbs GTW
- Built-In Loop
- CURT
more information >
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Jared H.
12/18/2025
This hitch did fit my rail nicely. I use it to tow A 24’ flatbed with a 25k backhoe. Tough piece of equipment. You won’t regret it