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Thread: Dually or SRW??

  1. Print this Post   #1

    Dually or SRW??

    Hello to all!!

    First time poster here!! I currently have a 2012 Ford F-150 V6 Echo-boost. We have decided on getting a Heartland Landmark 365, most likely the Madison or the Heartland. So a larger truck is in order.

    My GF and I have been to a couple RV shows recently and have narrowed our choices to those two. Our dilemma is we both like the forward Living area, but we also like the idea of a bath and a half - so we have some more discussions ahead.

    My question is I'm shopping for a new truck, strong enough to comfortably two the 5th wheel. Is a dually REALLY necessary? To be perfectly honest, I'm just not really keen on the way they look, not to mention trying to park the beast. I'm also not very fond of the long bed and prefer the shorter bed. I understand the necessity of the sliding hitch and am fine with that.

    Are there folks out there that pull either of these RV's, with a diesel F-350 or GMC 3500HD SRW? If so how does it handle? Is it powerful enough in the mountains? Opinions please!

    We currently live in the Seattle area, but our families are in Florida - we look forward to out future travels!! But I still have a few more years till retirement, but there is light at the end of the tunnel.

    Any advice would be appreciated!!

    Oh, I'd also like to add that this is a great website - we're learning a lot from all of you more experienced RV'ers!! Hope to meet some of you in the not too distant future!!

    Thanks!
    Silverado

  2. Print this Post   #2
    Moderator danemayer's Avatar
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    Re: Dually or SRW??

    Hi Silverado333,

    Welcome to the Heartland Owners Forum. There's lots of useful information here along with a great bunch of friendly and helpful people.

    IMO you will absolutely want the dually. Landmark 365 has a GVWR of 18,000 lbs. You'll find that as you load up for travel, add some water, etc., you'll be closer to the GVWR than to the empty weight.

    For planning purposes, you can assume about 20% of that weight will be on the hitch, or 3,600 lbs.

    You need a truck that will not only have a 5th wheel towing capacity of at least 18,000 lbs, but also a payload that will accommodate the pin weight of 3,600 lbs. In additional to the pin weight, your payload has to handle the weight of the hitch, bed liner, bed cover, tools, firewood, extra fuel, pets, passengers and anything else you put in the truck. That can easily add another 1,000 lbs. So it would be pretty easy to end up needing a payload of 4,600 lbs.

    The towing capacity and payload capacity you'll need put you into a 1 Ton Dually.

    Could you manage with a single rear wheel shortbed? Sure. Will you be stable in a crosswind? Maybe. Will you be able to maintain control during an emergency lane change? Maybe. Will an out of balance truck be safe when roads are wet? Maybe. Will the tail (trailer) wag the dog (truck)? Almost certainly.

    One other thing. When you shop trucks, ignore the brochure claims and posters. Look at the actual specification for the exact truck you're going to buy.


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  3. Print this Post   #3
    Senior Member Geodude's Avatar
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    Re: Dually or SRW??

    You're definitely beyond the capacities of a SRW truck with that trailer. Our diesel F-350 SRW is maxed out on the pin weight of our Bighorn, at 3100 pounds and a 15,000 pound trailer. We're thinking dually for our next truck, but like you we're not sure. Most of my dually friends say it's great towing and parking lots etc., are big non-issue. One says they're a pain for the 350 days he isn't towing. We're likely to sort of split the difference and get a long bed SRW. I think. Maybe.
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  4. Print this Post   #4
    Senior Member "Hi-Viz" Bill's Avatar
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    Re: Dually or SRW??

    Hey there Silverado333 !!!

    We purchased a 2016 Landmark 365 'Newport' last summer. The day after signing the dotted line, I ordered a 2016 GMC 3500 Denali DRW. We live in SW Michigan and traveled to the Phoenix area for the winter. I have not regretted the DRW for even a second. With the 5, 6, & 7% grades we encountered in the mountains, and the strong winds out in West Texas, the increased stability of the Dually was very reassuring. I have a 50 gal auxiliary fuel tank, as well as a 4' wide tool box in the bed and not having to worry about being overloaded also led the a high degree of 'peace of mind'. IMHO, a dually is a must with a rig of the size you are contemplating!!
    Last edited by "Hi-Viz" Bill; 05-18-2017 at 04:43 AM.

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  5. Print this Post   #5
    Southeast Region Director, HOC Nabo's Avatar
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    Re: Dually or SRW??

    We fault getting a dually for years but now that we have one, what a difference it makes. Our suggestion is go ahead and spend the extra $$ now for the dually. In the long run it will save ya from having to spend more $$ to upgrade again. Good luck
    Nathan & Byrd
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  6. Print this Post   #6
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    Re: Dually or SRW??

    I have a 2014 Landmark and towed it with a SRW for about a year. There were times when I was "white knuckled" on steep mountain roads or in heavy wind. Last June I purchased a 3500 GMC dually with the Denali package. What a difference! It is much more stable in all conditions and makes towing a much easier and relaxing experience and of course a safer one. After towing with my dually I will not go back to a SRW truck. Good luck.

  7. Print this Post   #7
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    Re: Dually or SRW??

    Quote Originally Posted by Silverado333 View Post
    Hello to all!!

    First time poster here!! I currently have a 2012 Ford F-150 V6 Echo-boost. We have decided on getting a Heartland Landmark 365, most likely the Madison or the Heartland. So a larger truck is in order.

    My GF and I have been to a couple RV shows recently and have narrowed our choices to those two. Our dilemma is we both like the forward Living area, but we also like the idea of a bath and a half - so we have some more discussions ahead.

    My question is I'm shopping for a new truck, strong enough to comfortably two the 5th wheel. Is a dually REALLY necessary? To be perfectly honest, I'm just not really keen on the way they look, not to mention trying to park the beast. I'm also not very fond of the long bed and prefer the shorter bed. I understand the necessity of the sliding hitch and am fine with that.

    Are there folks out there that pull either of these RV's, with a diesel F-350 or GMC 3500HD SRW? If so how does it handle? Is it powerful enough in the mountains? Opinions please!

    We currently live in the Seattle area, but our families are in Florida - we look forward to out future travels!! But I still have a few more years till retirement, but there is light at the end of the tunnel.

    Any advice would be appreciated!!

    Oh, I'd also like to add that this is a great website - we're learning a lot from all of you more experienced RV'ers!! Hope to meet some of you in the not too distant future!!

    Thanks!
    Silverado
    Mine's only a 3010 RE Bighorn and I have a diesel dually. There is no such thing as having too much truck but there is such a thing as too little truck. Want stability? Want guts to get up steep grades? Want engine braking to get down steep grades? Want higher load capacity? The choice is obvious, and I've had both.

    Also suggest, if the truck doesn't come with them, get Air Lifts or Firestone air bags.


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  8. Print this Post   #8
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    Re: Dually or SRW??

    I have a 2011 F350 6.7 SRW 8' Bed 4X4. I can tell you yes you can tow it but if you are not used to towing those weights and have the option to go to DRW it would be a good recommendation. I have a 2014 Cyclone 4100 and I am at the limit if I really load it up. I tow fine and my truck does not squat much at all but again for the added stability a DRW would be best.

  9. Print this Post   #9

    Re: Dually or SRW??

    Thanks to all for the replies - very helpful info!!

    Another question, as I mentioned previously we have gone to a couple RV shows in the local area. A salesman, a little pushy for my taste - stated it's wiser to but the RV first, before I have the suitable tow vehicle. This didn't and still doesn't seem to make sense to me.

    Based on a couple of comments I see, some of you did just that - purchased RV prior to your tow vehicle. Are there benefits to this?

    Thanks again for all the friendly advice - much appreciated!!

    Silverado333

  10. Print this Post   #10
    Founding Texas-West Chapter Leaders TravelTiger's Avatar
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    Re: Dually or SRW??

    Visit www.fifthwheelst.com and learn about safe towing.

    Dual wheels are not just there for stability but the Dually has payload capacity that a single wheel does not. The truck's payload capacity holds your pin weight, along with passengers, pets, tools, aux fuel tanks, etc. etc. you add to the truck. With a possible loaded pin weight of up to 4500lbs, it's a no brainer, get the Dually.


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