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Discussion Starter #1
The new towing specs for the HD2500 Duramax trucks state that I can safely tow a fifth wheel weighing 17.9K.
As we all know towing is not the problem, stopping and downhill control is more of an issue.
I have absolutely no issue with my Top Kick C4500 with pulling or stopping but would someday like a newer Truck and something with 4WD.
Am I going to be disappointed with a SRW Truck even thought GM has upped the towing specs.
I think the breaking, grade control and exhaust break are all great new additions to this 2015 line of trucks but I wanted to get some advice from some of you out there towing with the new Trucks

Thanks,

Mark
 

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Probably the only way you are going to know is if you can borrow one and compare the
two towing your rig.
 
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I've pulled that much with an 05 2500HD, that being said I would think that is a lot of weight behind a 2500! I'd look more for a 3500 SRW.
 

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Discussion Starter #5
I would put airbags on to support the bed weight
 
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What I didn't add earlier is my hauling was mostly back roads and speeds under 50. I wouldn't try it on the freeway.
 

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My trailer is only 12k lbs, but the '13 does a great job compared to the '03 it replaced. Went over Monarch Pass this summer and hardly touched the service brakes, the exhaust brake and manual mode allowed me to control decent very well. On the last few hundred miles coming home, the trailer brakes stopped working, but it wasn't a big deal.

Get the new truck but make it a 3500HD instead and if your not happy with the stopping power, then add disc brakes to the trailer.
 

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I think the 2500 lacks the two extra wheels for that weight as well. I would want the stability of a DRW truck if I was towing that kind of weight often.
 

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Also the 2500HD has less springs than the 3500HD does.
 

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I had a 2004 GMC 2500HD sense new and I have pulled 36K with her a few times.
Stopping was not a problem with good working trailer brakes... with no trailer brakes there is NO way that truck would even slow that kind of weight down.
If you are towing muck more then 3500 pounds you need trailer brakes!
 
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I had a 2004 GMC 2500HD sense new and I have pulled 36K with her a few times.
Next time you do that, call me. I will be sure to get myself off the roads. :whistle:
 

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I believe going down from the 4500 TK to a 2500 or even down to a 3500 is going to be a dissapointment from a towing perspective. We're talking going to a light duty truck after towing with a medium duty truck.
For myself after towing with my 3500 I do not want to go back to a 2500 even if the numbers say it is OK. I can get my excitement in other ways.:HiHi:
Jim
 

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I tow commercially with the truck in my signature. Generally I don't go over about 16,500 but I have. As long as you are not going over the weight rating of the tires with airbags you would have no problems assuming the trailer brakes are in good working order. Would a dually be more stable? Sure, but I do not run down the road at 80 mph loaded. You will also lose out on mileage empty plus the parking issues. The chassis on the new trucks are incredible!
 

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I agree with Strugeon-Phish. You are going from a medium duty truck to a light duty truck. Sure the weight ratings are close to each other, and the new truck will feel more refined, but you would still be stepping down to go newer. I don't believe a towing comparison would be close. I think the medium duty truck would win handily in every category except maybe fuel mileage and creature comforts.
 

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Assuming your trailer is 17,900 that is pushing the limits IMHO. Do you have actual weights of your trailer. That might help some of us.
 

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Discussion Starter #16
My Raptor is 13,900 dry
We don't tow wet but we do keep our things inside. She grosses out at 18K but we are never close to that
Realistically I think 15K is a more accurate weight
 

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OK thanks. 15k is enough of a load to let you know it is there while towing with a 2500!
I just pulled my 20ft stock trailer from Iowa to Tennessee, loaded with household goods. Stopped at a cat scale and it was 21,650 for truck (08 dually) and trailer combined. I could feel it there on long hills in Missouri.
 

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Discussion Starter #18
I must say that with the C4500 my toy hauler is not much of an issue
I feel very safe pulling her
With a 2500 I think I would have to keep a much keener eye on the trailer brake on long descents
 

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I must say that with the C4500 my toy hauler is not much of an issue
I feel very safe pulling her
With a 2500 I think I would have to keep a much keener eye on the trailer brake on long descents
Well, with the enhanced grade braking and exhaust brake you shouldn't have to watch it too close.
 
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