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Gen-Y Gooseneck Hitch Adapter that Could Fit 2016 Evergreen Tesla 3970  

Question:

I am interested in purchasing the Gen Y 5th wheel to gooseneck adapter. Just need to make sure it will fit my toy hauler. It is a 2016 evergreen tesla toy hauler t 3970. Am interested in part # gy58 gr A picture of my current pinbox is included.

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Pin Box
Pin Box
(click to enlarge)

Expert Reply:

Hey Josue, so I can't for sure identify what pin box you have on your camper but it does look like the standard Lippert 1621 that the Gen-Y part # GY58GR is designed to fit. If your current pin box is 12 inches wide and the distance between the front bolt holes and rear is 7-7/8 inches that would confirm this is correct fit.

expert reply by:
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Jameson C

Josue S.

3/14/2024

In order for the pin box's shock absorption to work correctly, make sure your pin weight is within the pin weight range. To calculate correct towing weight for Gen-Y hitches, use this formula: GVWR x 0.22 = TW. I read this note on the page to purchase. The tongue weight on the rv is around 3200 lbs. but if i use this calculation and go with the max which is 21000 lbs. the weight is 4600 lbs. will this adapter still work?

Etrailer Expert

Jameson C.

3/14/2024

@JosueS Go with the actual pin weight that you have of 3,200 lbs. The calculation is if you didn't have the actual number. 22% is too high as you have found though. Normally it's like 15 to 20 percent.

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