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04-21-2021, 08:16 PM
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#1
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Junior Member
Join Date: Mar 2021
Location: Treherne
Posts: 19
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Adding Shocks to a 2021 28.5RSTS
I remember when I ordered this trailer the literature said trailer will be shock prepped. I just looked underneath it and it looks like it has plates above the springpack but I do not see an attachment point on the frame. Am I missing something? Has anyone added shocks to one of these trailers?
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04-21-2021, 08:36 PM
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#2
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Member
Join Date: Jan 2013
Location: Charleston
Posts: 81
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Mine is the same, I contacted the dealer. Jayco will send the frame mounts and specs showing where to mount them I'm sill trying to decide between shocks or Sumo Springs.
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04-21-2021, 08:38 PM
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#3
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Junior Member
Join Date: Mar 2021
Location: Treherne
Posts: 19
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Frame mounts weld on or bolt on? Kinda misleading saying they are prepped
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04-22-2021, 01:59 PM
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#4
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Member
Join Date: Jan 2013
Location: Charleston
Posts: 81
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I think they will be welded. "Misleading" is an understatement. Just tell the truth and say the bottom mount is provided. Frame mount available on request.
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04-22-2021, 08:11 PM
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#5
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Junior Member
Join Date: Apr 2021
Location: Michigan
Posts: 10
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Not the same trailer but my 2020 Jayco HT 272RBOK travel trailer came with the shock prep and I added Monroe shocks very easily. Upper and lower mounts were already installed from the factory, see photo.
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04-22-2021, 08:34 PM
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#6
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Junior Member
Join Date: Mar 2021
Location: Treherne
Posts: 19
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Ya my thoughts exactly
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04-23-2021, 07:33 AM
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#7
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Senior Member
Join Date: Feb 2019
Location: Merrimack NH
Posts: 148
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Quote:
Originally Posted by RVnMike
Not the same trailer but my 2020 Jayco HT 272RBOK travel trailer came with the shock prep and I added Monroe shocks very easily. Upper and lower mounts were already installed from the factory, see photo.
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Hi,
Did you have 11" of space between the mounting plates? If so can you post the part number of the Monroe shocks you used?
Much appriciated!
__________________
Pammac36
2021 Jayco Eagle 321RSTS (Hydraulic brakes)
2022 Ford F350 Lariat 4x4 L/B 7.3 gas, 4.30
Reese Goosebox
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04-23-2021, 07:07 PM
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#8
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Senior Member
Join Date: Nov 2015
Location: Lakewood, WA.
Posts: 4,541
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Yeah, I will be interesting on seeing parts numbers also.
__________________
2023 Jayco North Point 310RLTS
2022 GMC Denali Ultimate DRW
Retired Army MSG
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04-23-2021, 07:10 PM
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#9
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Senior Member
Join Date: Nov 2015
Location: Lakewood, WA.
Posts: 4,541
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Quote:
Originally Posted by RVnMike
Not the same trailer but my 2020 Jayco HT 272RBOK travel trailer came with the shock prep and I added Monroe shocks very easily. Upper and lower mounts were already installed from the factory, see photo.
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That look nice and clean I might have to look into doing this.
__________________
2023 Jayco North Point 310RLTS
2022 GMC Denali Ultimate DRW
Retired Army MSG
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04-23-2021, 07:44 PM
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#10
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Junior Member
Join Date: Apr 2021
Location: Michigan
Posts: 10
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Quote:
Originally Posted by Pammac36
Hi,
Did you have 11" of space between the mounting plates? If so can you post the part number of the Monroe shocks you used?
Much appriciated!
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I don’t recall what the spacing was but I can measure this weekend and reply. From what I found Monroe makes two shocks for the Dexter axles, 555001 and 555025, I went with the 555001. Below are a few photos of what I found when researching and deciding between the two. Hope this helps.
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04-24-2021, 06:44 AM
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#11
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Senior Member
Join Date: Feb 2019
Location: Merrimack NH
Posts: 148
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Quote:
Originally Posted by RVnMike
I don’t recall what the spacing was but I can measure this weekend and reply. From what I found Monroe makes two shocks for the Dexter axles, 555001 and 555025, I went with the 555001. Below are a few photos of what I found when researching and deciding between the two. Hope this helps.
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Thanks! Those are the two I'm looking at also, the 025 looks like it would be a really tight fit in the 11" space. Saw another post saying it was a "bear" of a job to get them in there.
Did you find a big difference in the ride once installed?
__________________
Pammac36
2021 Jayco Eagle 321RSTS (Hydraulic brakes)
2022 Ford F350 Lariat 4x4 L/B 7.3 gas, 4.30
Reese Goosebox
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04-24-2021, 09:20 AM
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#12
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Junior Member
Join Date: Apr 2021
Location: Michigan
Posts: 10
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Just measured and my trailer is 10 5/8” between the top and bottom mounts, inside dimension. If you don’t take the wheels off to install there’s not much room between the top of the tire and the fender skirt making the top mount a little difficult to access. The bottom mount is easy with or without the wheel on.
I can’t say if adding shocks made a difference in the ride or not. Pulled it home from the dealer and had some time before first trip so added them. I figured since 95% of vehicles on the road have shocks and the trailer was prepped for them a $120 investment can’t hurt.
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04-24-2021, 11:08 AM
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#13
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Senior Member
Join Date: Oct 2016
Location: Saint Thomas, PA
Posts: 2,234
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I added the Roadmaster comfort shocks to my trailer. Huge improvement! My ceiling fan chain pull doesn't wrap up in the fan anymore. My rear kitchen pantry isn't a mess anymore.
Earl
__________________
2017 Eagle 293RKDS, factory ordered, lots of mods and upgrades. More than I can list.
2018 Ram 3500 crew cab long bed SRW diesel 6spd Aisin 4wd Tradesman.
B&W Ram puck 5th wheel
Line-X premium
Mopar wheel to wheel steps
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05-12-2021, 12:14 PM
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#14
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Senior Member
Join Date: Oct 2019
Location: Tyler, TX
Posts: 159
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Quote:
Originally Posted by Digsdeep
Ya my thoughts exactly
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Been considering either shocks or SumoSprings for our fifth wheel (30.5CKTS) also. However, our rig is not prepped for that, so that’s another expense. I’m not sure why RV manufacturers do not have at least a basic list of additional options available to buyers from factory—or even dealer installed. Many of us would pay more for items such as shocks, slide toppers, etc. I know they try to keep the build process as generic as possible to keep the line moving.
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06-23-2021, 10:43 PM
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#15
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Senior Member
Join Date: Oct 2018
Location: Alta Loma
Posts: 111
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I had 555001 on our fiver Jayco since new 2005 and had replaced them once .I have gone to the 555025 Heavier duty shocks .The 555001 did not last two years.
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11-13-2021, 01:47 PM
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#16
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Junior Member
Join Date: Oct 2017
Location: STL
Posts: 22
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We have a 30.5CKTS also and would like to do that as well. If you add them before we get to it please share! We will do the same!
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11-13-2021, 02:06 PM
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#17
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Senior Member
Join Date: Apr 2021
Location: New Hampshire
Posts: 709
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I picked up four Monroe 555025 and it took less than an hour to put them on. No special tools and nothing else to buy.
__________________
2022 Eagle 321RSTS w/Overlander II Solar Package
2024 GMC Sierra Denali 3500HD L8T Gas SWD
PullRite #4452 OE Adapter & #2700 SuperGlide Hitch
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11-14-2021, 03:55 PM
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#18
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Senior Member
Join Date: Oct 2018
Location: Alta Loma
Posts: 111
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I had ordered the 555025 to long for factory installed shock plates unless you raise your spring travel.
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11-14-2021, 05:02 PM
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#19
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Senior Member
Join Date: Apr 2021
Location: New Hampshire
Posts: 709
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555025 has compressed length: 8.625"
555001 has compressed length: 7.875"
You can jack up one side, measure the distance and order the one that fits best. Get them at Amazon and with easy return to Kohl's if it doesn't fit. I suspect Monroe makes the ones that Lippert sells.
I the 555025 fit snugly for me. It's exactly the same as Lippert # LC283280. See this: https://www.etrailer.com/question-519992.html
Wow, just saw them on NewEgg for half the price! 
Shocks alone are not the best suspension you could buy, but they ARE better than nothing, easy to install and best of all... low cost solution. I see many posts describing independent suspension, that could be ideal for larger, heavier 5ers but mine has GVWR of only 10,500 lbs.
__________________
2022 Eagle 321RSTS w/Overlander II Solar Package
2024 GMC Sierra Denali 3500HD L8T Gas SWD
PullRite #4452 OE Adapter & #2700 SuperGlide Hitch
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11-17-2021, 08:50 PM
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#20
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Senior Member
Join Date: Feb 2011
Location: Gilmer, Texas
Posts: 1,053
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Quote:
Originally Posted by RickandBecky
Been considering either shocks or SumoSprings for our fifth wheel (30.5CKTS) also. However, our rig is not prepped for that, so that’s another expense. I’m not sure why RV manufacturers do not have at least a basic list of additional options available to buyers from factory—or even dealer installed. Many of us would pay more for items such as shocks, slide toppers, etc. I know they try to keep the build process as generic as possible to keep the line moving.
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If you want to drive up to Gilmer I have the upper mounts & maybe the self-tapping screws if you don't weld. I'll have to dbl check the box . I can't remember why I have a set of uppers as ours has all the mounts from factory
I used the 25 but moved spring one hole
__________________
S.A.Young
2011 321RLTS
2012 Chevy duramax dually
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