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Thread: Proper Drop for Hitch Ball Mount
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08-28-2021, 02:22 PM #1
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Proper Drop for Hitch Ball Mount
Hi everybody. I’m totally new to the world of RVing and all things towing. I recently purchased a 2018 Imagine 2970RL and will be pulling with a Ram 2500.
The private party that I bought it from gave me a weight distribution hitch and hitch mount, but it seems a little high to me. They were towing with a ram 1500.
I followed the static measuring instructions i’ve seen in various videos, measuring 24 1/2 inches to the top of my receiver and 15 1/2 inches to the bottom of the coupler on the grand design, when level. It gives me an overall drop of 9 inches, but that seems like an awful lot. I don’t even find very many hitch ball mounts with that kind of drop. I forgot to measure the total sag of my truck when connected, but it sure feels like a lot as I watch the coupler drop onto the ball.
Just looking for some guidance on whether or not the static measurements are even meaningful. If they don’t sell many hitch mounts with a 9 inch drop, it makes me feel like that’s not the correct calculation. Or there’s something else that needs to be added to the calculation to allow some amount of sag to the rear end of your truck.
Thanks for any help.
Jim
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08-28-2021, 02:27 PM #2
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Welcome to the forum. It would help if you tell us which wdh you have. Since you have a 3/4 ton and they had a 1/2 ton you might need to buy a new shank.
Sent from my SM-P610 using TapatalkSteph & Lise
2019 F150 Lariat 2.7 EB
2020 Imagine XLS 22MLE
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08-28-2021, 02:30 PM #3
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Mike & Lisa
Central Florida
2021 Imagine 2970RL
1996 Chevy K3500 Crew SRW 7.4L Gas
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08-28-2021, 02:48 PM #4
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I’ve got a Husky…
https://www.huskytow.com/husky-towin...ribution-hitch
It appears they do sell a shank with 9.5 inch drop. I definitely want to tow level, should you expect back end sag on your truck or should the coupler simply come down and rest on the ball with minimal pushing down as it continues to lower? Sorry if I don’t use all the correct terms. I’m excited to learn as I’m going full time in January.
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08-28-2021, 02:55 PM #5
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15 1/2 inches for the coupler doesn’t sound right
My 2400 is 23.5 inches to the top of the coupler and the top of the ball on my truck is 24
The hitch will have some adjustments on the shank
Perhaps pics or saying what kind of hitch would be helpful
2021 Imagine 2400 BH
2018 GMC Sierra 4x4 crew2021 Imagine 2400 BH
2018 GMC Sierra 4x4 Crew 1840lb payload
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08-28-2021, 02:56 PM #6
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I have a Husky hitch…
https://www.huskytow.com/husky-towin...ribution-hitch
Looks like they do make a shank with more drop. Out of curiosity, shouldn’t it be expected to see some amount of back end drop as the coupler comes to rest on the ball or should it just sit gently on top with very little continued push down? Sorry if the terms I use aren’t quite right.Jim
Henderson, NV
2018 Imagine 2970RL
2021 Ram 2500 6.7L Diesel
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08-28-2021, 03:01 PM #7
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I measured it several times and checked for level in three different places on the trailer. 15.5 is what I got. Felt low, which is why I checked a few times.
Jim
Henderson, NV
2018 Imagine 2970RL
2021 Ram 2500 6.7L Diesel
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08-28-2021, 03:02 PM #8
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I keep trying to post my WD hitch, but maybe it doesn’t like that including the website. It’s a Husky. Centerline TS. The do make an additional shank, it appears.
Jim
Henderson, NV
2018 Imagine 2970RL
2021 Ram 2500 6.7L Diesel
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08-28-2021, 03:05 PM #9
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https://www.huskytow.com/Attachment/...downloadId=335
If you don’t have them
Measurements start with trailer level and to top of coupler
2021 Imagine 2400 BH
2018 GMC Sierra 4x4 crew2021 Imagine 2400 BH
2018 GMC Sierra 4x4 Crew 1840lb payload
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08-28-2021, 04:09 PM #10
Proper Drop for Hitch Ball Mount
Last edited by Redapple63; 08-28-2021 at 04:46 PM.
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