Curt Adjustable Hitch that Could Fit 2017 Grand Design ST300GK
Updated 10/27/2025 | Published 03/15/2025
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Question:
we have a 2017 Grand Design 35inch fifth well, model ST300GK, will the Curt Adjustable Trailer Hitch Receiver - 18-51inch Wide - 2inch - Class III - 2inch p/N C13701 fit our RV? thank you Herb
asked by: Herbert V
Expert Reply:
Hey Herbert, there is a really good chance the Curt hitch part # C13701 will fit since it was designed to fit frame widths that are between 18 and 51 inches but we don't have access to that type of info from the RV manufacturers so I don't have a way to verify that. So you'll need to measure to verify that.
Another option is the Curt # 13703 which fits frame widths of 22 to 72 inches in case you have a wider frame width.
Product Page this Question was Asked From
Curt Adjustable Trailer Hitch Receiver - 18"-51" Wide - 2" Drop - Class III - 2"
- RV and Camper Hitch
- Frame Mount Hitch
- 500 lbs TW
- 5000 lbs GTW
- 18 - 30 Inch Wide Frames
- 31 - 45 Inch Wide Frames
- 46 - 60 Inch Wide Frames
- Towing and Cargo
- Bolt-On
- Weld-On
- CURT
more information >
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Jameson C.
10/27/2025
Hey Herbert, were you able to measure the frame width on your Grand Design to see if the Curt hitch fit? Knowing what you found could help others trying to match a hitch to a similar RV.