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  1. #1
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    Average Pin Weight on Solitude 310GK?

    Hello all - New to the forum and we've decided on a Grand Design and now we are working on which model. We love the Solitude (who doesn't??) but not sure about pin weight. I have an available payload of about 3200 lbs and we have about 1500 lbs of gear to put in the RV. The payload is my constraint depending on pin weight (the more I'm reading I see this is a common problem!). I'm looking at the Reflection 337RLS, Solitude S-Class 2930RL, and the Solitude 310GK. My preference is the 310GK. From reading the forums, I see a lot of GD average a 22-23% pin weight, so that's what I'm using for my calculations. I think I'm ok for the Reflection and S-Class based on a 23% avg pin weight and the amount of gear we have to load, but the Solitude 310GK is pushing it...just curious what the 310GK model averages for pin weight and if it's in line with the 22-23% I've been seeing. We don't dry camp or boondock so I'm not concerned about adding water to the tanks unless it will help with the pin weight (not sure where the tanks are located, before or after axles). Also, I'm not even close on the max trailer weight or combined weight - I'm going to top out payload before I hit that.

    If the 310GK isn't an option due to pin weight - does anyone know if you can order a 'dressed up' Reflection or S-Class? Not loving the interiors so much on those...

    Appreciate your input. Thank you!

  2. #2
    Long Hauler
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    Welcome to the forum. Lots of weight discussions here. Most tend to use the gross weight of the trailer to calculate pin weight. The dry weight printed on GD's website and brochures are estimated and most have been found to be a little lighter than they actually are, this is why we use the gross for worst case scenario. Having 3200# payload you have to remember to subtract from that the hitch you put in the bed and anything else that is in there as well. An average pin weight I have seen here seems to be around 20%. With this and the gross weight of the trailer you can decide what is feasible to tow.
    There have been plenty here as well that have bought another truck after buying a trailer that weighed to much for the truck, some have bought 3 trucks to get it right.; I would think with your 3200# pay load that the 337 is about the only one out of the 3 that you may be safe with.

    Brian

  3. #3
    Long Hauler Paul & Deb's Avatar
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    You don't indicate the truck you will be pulling with and that may be intentional but for perspective, my 337RLS has a weighed pin weight of 3,200 lbs. I'm pretty sure the 310 is more. Remember 22-23% of Gross weight, not dry weight.
    Paul "Poppy" and Deb Cervone
    2022 Imagine XLS 22MLE
    2021 Imagine XLS 17MKE - SOLD ; 2015 Grand Design Reflection 337RLS - SOLD
    2016 GMC Denali 3500HD SRW Duramax/Allison CC 4x4; Tire Minder TPMS

  4. #4
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    Thanks - if it helps, 2018 RAM 3500, diesel crew cab 4x4 long box, assuming 1000 lbs off the top for 4 adults, 1 dog, and gear in the truck, fuel, etc...

  5. #5
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    I’ve also already subtracted hitch wt (250 lbs) to arrive at the 3200#. Forgot to mention in the prior post.

  6. #6
    Big Traveler CWSWine's Avatar
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    Specs of a 310GK-R weighted at a CAT scale on 30 Oct 2016

    Status from Grand Design Website.
    UVW 12,100
    Dry Pin Weight 2350

    From Grand Design Weight Sheet that came with my 5er and has my VIN listed on the top of the sheet.
    GVWR 15,000
    GAWR (Per Axle) 7,000
    UVW 12226 (Matches Sticker on 5er)
    Hitch Weight 2392
    Left (Street Side) 5326
    Right (Curb Side) 4508
    Cargo Carrying Capacity 2714


    Truck Specs
    Ford F350 Diesel SuperCab 143” Wheel Base 6.5 foot bed.
    B&W Campion Hitch non slider
    Web Spec 4050 Payload
    Yellow Door Sticker 3744
    GVWR 11,500
    Rear Axle Ratings 7,000
    Front Axle Ratings 5,200
    GCWR 22,500
    Tow Rating 15,900

    Truck ONLY Weight Cat Scales
    Front Axle Weight - 4740
    Rear Axle Weight - 3480
    Total Weight 8220
    Just me and wife in the truck with empty bed and just the basics in the cab.

    Cat Scale With 5er Hooked up
    Steering Axle - 5000lbs
    Drive Axle 6320
    Trailer Axle 10,520
    Gross Combine Weight 21,840

    Bottom Line
    Truck Weight (Truck Only) 8220
    Truck Weight (Hitched) 11,320
    Camper Weight 13,620
    Pin Weight 3,100
    Pin Weight Percentage 22.8%
    2392 Factory Pin Weight 3100 scale weight increase of 708 pounds
    12,226 Factory UVW 13,600 Cat Scale Weight increase of 1374 lbs
    Over 50% of the 1374 pounds loaded went to pin weight
    Just goes to show how much weight is loaded forward of the axle
    Factory Scale weighs of 2392 pin and 12,226 UVW = 19.6 percent pin weight
    Cat Scale Weights 13600 GVW and 3100 pin = 22.8 percent pin percentage or increase of 3.2 Percent over Dry percentage

    I’m within 180 pounds of my GVWR of my trucks 11,500 GVWR. We were loaded for a week long trip and we are not full timers.


    It sets about 1 high in the front but only has 5 inches of clearance between the 5er and the trucks bed rails.

    https://www.mygrandrv.com/fo...ighlight=310GK
    Dennis & Ellie
    Current 2017 Newmar Ventana Class A & 1994 Airstream Excella Classic Limited Project
    Sold - 310-GK-R Delivered 28 Oct 2016
    2016 GMC Denali 1 Ton Diesel SRW Payload 3727LBS B&W Hitch

  7. #7
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    Thank you!! Based on that, definitely gonna pass on the 310 (although I’m sad about it).

  8. #8
    Site Team traveldawg's Avatar
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    When I measure mine this summer (loaded for a 2 week trip) it was...

    Trailer: 14,040 lbs
    Pin: 2,740

    That works out to just under 20% I think. I don't have a generator, my fresh water tank was 1/2 full and waste tanks empty.
    Larry KE4DMG
    2022 F-350 KRU SRW LB - Airlift 5000+, ForScan, 37 RDS Aux Tank,
    2019 310GK-R - Sailuns; MorRyde IS; Disc Brakes; 20K Reese Goosebox
    Search kalakamods for my mods


  9. #9
    Site Sponsor
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    Quote Originally Posted by Angela&Shane View Post
    Hello all - New to the forum and we've decided on a Grand Design and now we are working on which model. We love the Solitude (who doesn't??) but not sure about pin weight. I have an available payload of about 3200 lbs and we have about 1500 lbs of gear to put in the RV. The payload is my constraint depending on pin weight (the more I'm reading I see this is a common problem!). I'm looking at ... and the Solitude 310GK. My preference is the 310GK. From reading the forums, I see a lot of GD average a 22-23% pin weight, so that's what I'm using for my calculations. .... the Solitude 310GK is pushing it...just curious what the 310GK model averages for pin weight and if it's in line with the 22-23% I've been seeing.
    Appreciate your input. Thank you!
    The answer is, it depends to some extent on what you have (gen set, washer, dryer, dual pane windows, full or empty water tanks, etc.) and how you load it.

    On our 310GK, I average about 2850# pin weight. Lowest was 2820# and highest was 2934# pin weight. Trailer (not axle) weights between 13,300 and 14,040#. Pin weight of 20 to 22%. Measured 6 times last year. (first year with trailer). Weights were with 1 stock battery 30~60# propane. Our 310GK has the queen bed and basically no options (no gen set, solar, etc.). We pack fairly heavy on food and light on clothing and "stuff" (tools, etc.) for 4~5 week long trips. I usually carry about 20 gals fresh water (more fresh water = less pin weight), empty grey tanks (more water = heavier pin) and about 3~5 gallons in the black tank (more water = heavier pin). I pull this with a 2017 F-350 SRW (see sig) and a payload rating (yellow sticker) of 3,253#. I am right at my weight limit with about 800# in the truck (2 adults, tools, hitch, tonneau cover, cooler). The truck pulls find and I am comfortable in the Colorado Rockies (steep hills, sharp turns and WIND), but would not want any more weight on the truck.

    For more details on MY weights, see https://www.mygrandrv.com/fo...285#post160285 Using the search function (box above the "advance search " buttom near the top right of each page) type in "310GK weight" and you will get some additional threads.

    Good luck. We really love our 310GK. Love the finish, pulls great and large enough living area but small enough I have gotten it into every camp site we have wanted (but sometimes it is tight - like older Oregon coast state campgrounds ).

    Chris
    Last edited by CoChris; 03-15-2019 at 09:49 PM.
    Chris & Karen
    Fort Collins, CO
    2017 F-350 SRW 6.7 Lariat Value CC LB 4x4
    2018 Solitude 310GK - Sold 7/2023

  10. #10
    Commercial Member huntr70's Avatar
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    Quote Originally Posted by Angela&Shane View Post

    If the 310GK isn't an option due to pin weight - does anyone know if you can order a 'dressed up' Reflection or S-Class? Not loving the interiors so much on those...

    Appreciate your input. Thank you!
    All depends on what you consider "dressed up".

    The S class is the same as the Solitude, with subtle changes. Same color cabinets, flooring, furniture, etc. The Reflection is all together different.
    Steve- Inventory Manager at Tom Schaeffer's RV, Shoemakersville, PA www.tomschaeffers.com
    [email protected]
    2011 RAM 3500 SRW Outdoorsman Edition 4X4, 6.7 Cummins--TWEAKED!
    2021 Reflection 310RLS

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