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  1. #1
    Seasoned Camper
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    Momentum M-class pin box -- which one is it?

    Does anyone know what pin box the 2016 Momentum M-class is being built with? I need to order a Pullrite capture plate for our 350M and want to make sure I get the right one! I'm guessing it's one of the two TrailAir Rota-Flex, but does anyone know which one?

    2016 Momentum 350M (w/Goodyear G614 tires matched perfect and staggered special!)
    2010 Ford F350 Lariat 6.4L PowerStroke 4x4 CrewCab SRW
    PullRite SuperGlide 20k hitch

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  2. #2
    Site Sponsor Dave and Monica's Avatar
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    You could call GD Customer Service with you 17 digit VIN and they should be able to tell you...574-825-9679.

    Dave
    Dave and Monica - Gore Bay, Ontario
    Vitus the Hungarian Vizsla
    2014 Reflection 337 RLS #129
    2008 F250 V10 CC Lariat RWD

  3. #3
    Seasoned Camper
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    Don't have the VIN yet but good tip. I was just assuming that the pin box is fairly common and would be easy for Janice or someone to confirm. Thanks!
    2016 Momentum 350M (w/Goodyear G614 tires matched perfect and staggered special!)
    2010 Ford F350 Lariat 6.4L PowerStroke 4x4 CrewCab SRW
    PullRite SuperGlide 20k hitch

    [SIGPIC][/SIGPIC]

  4. #4
    Seasoned Camper
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    The 350M uses a 1621HD pin box.
    2015 F350 CC 4x4 KR High Capacity Tow Package
    2014 Momentum 355TH #770
    2014 Yamaha Adventurer 2+2
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  5. #5
    Seasoned Camper
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    Thank you Specularius! Do you have an inside source at GD for that info, or do you know someone that has a 350M?
    2016 Momentum 350M (w/Goodyear G614 tires matched perfect and staggered special!)
    2010 Ford F350 Lariat 6.4L PowerStroke 4x4 CrewCab SRW
    PullRite SuperGlide 20k hitch

    [SIGPIC][/SIGPIC]

  6. #6
    Seasoned Camper
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    Member GD350M from this forum has one. We were discussing the possibility of the pin box off my 355TH working on his 350M but it would not fit. The 355TH uses a 1716 pin box. I upgraded to an air ride pin box and he was going to install my roto flex.
    2015 F350 CC 4x4 KR High Capacity Tow Package
    2014 Momentum 355TH #770
    2014 Yamaha Adventurer 2+2
    [SIGPIC][/SIGPIC]

  7. #7
    Seasoned Camper
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    Awesome -- thanks. I do wonder though if the pin box has changed since GD350M got his. I'll wait to see if Janice can confirm what they're coming off the line with.
    2016 Momentum 350M (w/Goodyear G614 tires matched perfect and staggered special!)
    2010 Ford F350 Lariat 6.4L PowerStroke 4x4 CrewCab SRW
    PullRite SuperGlide 20k hitch

    [SIGPIC][/SIGPIC]

  8. #8
    Seasoned Camper GD350M's Avatar
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    Momentum M-class pin box -- which one is it?

    I think they did change the pin box to the roto-flex since I've gotten mine. I went to a lot about 2 months ago and the 350M on the lot did have a roto-flex where as like specularius has said, I have the 1621HD


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    Stephen & Nikki

    2013 Ford F-250 SRW w/Firestone Ride Rite Airbags, B&W Companion Hitch,
    Titan XXL 50 Gallon Mid-Ship Fuel Tank and Viair Onboard Air.
    2015 Grand Design Momentum 350M
    2009 Club Car Golf Cart
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  9. #9
    Seasoned Camper
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    Wonderful... so no way to know until I get the VIN I guess!

    Janice -- any insight?
    2016 Momentum 350M (w/Goodyear G614 tires matched perfect and staggered special!)
    2010 Ford F350 Lariat 6.4L PowerStroke 4x4 CrewCab SRW
    PullRite SuperGlide 20k hitch

    [SIGPIC][/SIGPIC]

  10. #10
    Setting Up Camp
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    pg_rider - Our 350M has the 1621HD pin box, I ordered the 331711 capture plate and it works fine. I took delivery in March of this year.

    Tim
    Tim & Connie
    Biscuit the Dachshund, Chester the Chesapeake
    Momentum 350M
    Ram 3500 limited SB, 6.7 Cummins
    Superglide 18k

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