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  1. #1
    nguyenbio
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    What size I-Beam frame?

    Can anyone tell me the size of the I-Beam frame on a 303rls? I'm thinking about having a fabricated rear hitch receiver welded in to double tow a flatbed trailer with my sxs on it. Total weight about 2500 lbs.

    Regards,
    Joe N.

  2. #2
    Seasoned Camper
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    I just looked at a 303rls that was built in May 2018. It had a 8” tall I-Beam frame.

    Kevin
    Kevin and Jennifer
    2016 RAM 3500 Laramie Mega Cab CTD Aisin 4x4 SRW
    2019 Reflection 28BH (Built 2/2019)
    - 78" Theater Seat, Second AC, Dual Pane Windows
    - Sailun 235/85 R16 Tires
    Blue Ox Super Ride BXR7200 with a Demco Factory Prep Bracket 6099

  3. #3
    Long Hauler Canyonlight's Avatar
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    Correct - the 303 is 8" other larger model Reflections (337 and up) are 10". I posted the different sizes a couple years ago. I may need to update that and have placed in the Library area if appropriate.

    Dan
    Dan & Carol
    2014 303RLS Reflection #185 (10/2013 build)
    2012 Silverado LTZ Crew Duramax 2500HD
    2700/16K Pullrite Superglide

  4. #4
    Site Sponsor Cate&Rob's Avatar
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    Quote Originally Posted by Toes in the water View Post
    Correct - the 303 is 8" other larger model Reflections (337 and up) are 10". I posted the different sizes a couple years ago. I may need to update that and have placed in the Library area if appropriate.

    Dan
    Dan - This question comes up from time to time. If you can find your original summary (which I vaguely remember) and update if necessary, I think it would be a good addition to the Library.

    Something to think about is that there is more to I beam strength than just the vertical dimension. The flange dimensions are equally important.

    Rob
    Last edited by Cate&Rob; 07-09-2018 at 05:18 PM.
    Cate & Rob
    2015 Reflection 303RLS

  5. #5
    Seasoned Camper Da Breeze's Avatar
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    Quote Originally Posted by Toes in the water View Post
    Correct - the 303 is 8" other larger model Reflections (337 and up) are 10". I posted the different sizes a couple years ago. I may need to update that and have placed in the Library area if appropriate.

    Dan
    Here's an update Toes,

    My 2017 307 MKS came with a 10" I-beam and it is the same overall size as the 303rls.
    I had ordered the 303 and the 307 had just come online. I pretty much switched my order, based on the "as built" specs and I liked the different floorplan with a desk at the rear for my laptop & photo toys.
    It also came with 6,000 # axles, which gave it 3,000 # leaf springs and 16 " wheels.
    Even the EquaFlex is the heavier 6K to 8K model.
    The slides are within 100 #s of each other bc the frig isn't on a slide, it's on the rear wall, so evenly weighted.
    Has a pin weight of 1,595 #, GVWR of 12,995 and a UVW of 9,875 # which gives
    it almost 3,000 lbs of NCC.
    Now, I will never carry even half that weight, but it is nice knowing the trailer is over-built, rather than borderline, IMHO.
    Frankly, I am surprised it was not more popular from an engineering standpoint.

    Michael

    Sent from my SM-G930T using Tapatalk
    Previously known as mikgala

    F-250 7.3 PSD Lariat Super Cab LB wt 152K - 25 row Ford tranny cooler, A&E Air Intake system, TS-6 high performance Super Chip, Air Ride airbags, Bilstein shocks

    2017 Reflection 307 MKS 9,875 UVW / 12,995 GVWR / 1,605 Pin

    [SIGPIC][/SIGPIC]

  6. #6
    Long Hauler Canyonlight's Avatar
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    Quote Originally Posted by mikgala View Post
    Here's an update Toes,

    My 2017 307 MKS came with a 10" I-beam and it is the same overall size as the 303rls.
    I had ordered the 303 and the 307 had just come online. I pretty much switched my order, based on the "as built" specs and I liked the different floorplan with a desk at the rear for my laptop & photo toys.
    It also came with 6,000 # axles, which gave it 3,000 # leaf springs and 16 " wheels.
    Even the EquaFlex is the heavier 6K to 8K model.
    The slides are within 100 #s of each other bc the frig isn't on a slide, it's on the rear wall, so evenly weighted.
    Has a pin weight of 1,595 #, GVWR of 12,995 and a UVW of 9,875 # which gives
    it almost 3,000 lbs of NCC.
    Now, I will never carry even half that weight, but it is nice knowing the trailer is over-built, rather than borderline, IMHO.
    Frankly, I am surprised it was not more popular from an engineering standpoint.

    Michael

    Sent from my SM-G930T using Tapatalk
    Michael - thanks, for sharing this. I kinda forgot about this item as most folks these days do not seem as interested in these types of details as compared with other things. 10" frames seem to have the "beefier" items you shared. GDRV has also upped the game over earlier generations on some models to gain more spread between actual and rated loads on some components. When the GDRV Customer Service Center upgraded our 303 to 6K axles and 16" tires/wheels, they upgraded our Equaflex from the 6K to the 8K as well.

    Dan
    Dan & Carol
    2014 303RLS Reflection #185 (10/2013 build)
    2012 Silverado LTZ Crew Duramax 2500HD
    2700/16K Pullrite Superglide

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