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  1. #1
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    Momentum Mattresses too small?

    Hello everyone my wife and I just purchased our GD Momentum 5th wheel 349M and realized the mattresses in the loft and and garage bunks are about a foot too small. Maybe this is the norm but wanted to reach out to you guys before I contact the dealership to inquire about it. See image please. Thank you
    Click image for larger version. 

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    Last edited by WhittleBurner; 05-17-2021 at 03:47 PM. Reason: added to title for clarification

  2. #2
    We Have a Great Site Team WhittleBurner's Avatar
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    Not sure about the mattress but I added Momentum to the title to possible help get replies from Momentum Owners. Also moved to Momentum forum.

    Last but not least....Welcome to the GD Family and our forum!
    Marcy & Gary
    2014 Grand Design - Reflection 303RLS
    2022 GMC 3500 Denali Duramax Longbed SRW
    2015 GMC Denali 3500 - Retired
    2003 F350 - retired
    Michigan
    We're in trouble now, the dog are bloggin'!
    https://3dogsandatrailer.wordpress.com/


  3. #3
    Paid my dues 😁 FT4NOW's Avatar
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    That's very similar to how my 399 loft mattress was. In fact the loft was carpeted under the mattress area, but was bare wood on the section that didn't have carpet. I dont remember the mattress size on the Happijack bed, we threw it out immediately and used 2 twin size memory foam mattresses.

    By the way, welcome to the forum. I am also in Idaho.

    Sent from my SM-G950U using Tapatalk
    2023 Momentum 398M-R
    2023 Ford F-450

    SOLD - 2021 Reflection 311BHS
    SOLD - 2017 Momentum 399TH

  4. #4
    Rolling Along
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    My Momentum 320G came that way. The mattress covers the area without carpet. Not sure why they are doing that.
    2023 Chevy 3500HD CC SB 4x4 Dmax
    2021 GD 320G with 8K axles

  5. #5
    Seasoned Camper
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    Not a Momentum, but the Reflection 337RLS comes with a mattress (Sealy) that is hard as a brick... we told the dealer to take the mattress out, they forgot, so when we got home, we took it to the dump and purchased a memory foam mattress... top brand... came in a "bed-in-a-box" (thank goodness)... and my wife and I were able to wrestle it into the bedroom, unbox it, and watch it expand into place... not sure how the next owner will ever get it out... LOL makes it tight in the bedroom, but at least we will be comfortable while sleeping

  6. #6
    Rolling Along
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    Quote Originally Posted by Cowboychincs View Post
    Not a Momentum, but the Reflection 337RLS comes with a mattress (Sealy) that is hard as a brick... we told the dealer to take the mattress out, they forgot, so when we got home, we took it to the dump and purchased a memory foam mattress... top brand... came in a "bed-in-a-box" (thank goodness)... and my wife and I were able to wrestle it into the bedroom, unbox it, and watch it expand into place... not sure how the next owner will ever get it out... LOL makes it tight in the bedroom, but at least we will be comfortable while sleeping
    I am now looking for a mattress, the one that came in mine is really a piece of plywood with a cloth over it. Can't imagine GD paid more than $5 for it.
    2023 Chevy 3500HD CC SB 4x4 Dmax
    2021 GD 320G with 8K axles

  7. #7
    Long Hauler offtohavasu's Avatar
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    The mattress on the HappiJac is a queen, but the platform is larger than a , queen hence the gap. The loft mattress, I believe, is a twin, but the space is larger to accommodate a bit of storage for books, or stuffed animals, or whatever.
    Curtis, Christine, Cole, and Charlotte

    2007 Chevrolet Silverado Duramax LBZ, CCLB
    2020 Momentum 351M

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