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Old 02-28-2016, 11:42 AM   #1 (permalink)
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3/4 Ton Tow Question

New to the forum. Loaded with great information. I have a trailer/truck combo question. I'm second questing if my truck is rated high enough to pull it. I know there are charts and calculations out there but those darn things confuse me. Looking for some assistance.

We are currently looking at purchasing a new 5th wheel (2016 Chaparral 390qsmb). Specs of the trailer are:
-dry weight 12,170
-pin weight 2230
-GVWR 15,000

I have a stock 2011 GMC Sierra crew cab 4wd with a standard 6.5 bed, 6.6L Duramax. Truck specs are:
-payload 2792
-GVWR 10,000
-chart shows "5th wheel hitch" 16,700 which I assume is the max trailer weight
-GCWR 24,500

After locating the below GM sticker in my door I'm even more confused with the axle rating/payload question for the 5th wheel we're looking at. I'm assuming this doesn't mean my payload capabilities are over 6,000lbs?!?!? What is this telling me??? Is this 5er going to break my truck???

Any input, help, or suggestions would be appreciated!!!

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Old 02-28-2016, 12:56 PM   #2 (permalink)
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You can pull that 5er just fine. Your pin weight is less than your payload capabilities and your truck is rated to pull more than the gross of the trailer. Just get a 16k or higher rated hitch, hook up and go.

....oh, and make sure you have adequate and healthy tires.

2008 2500HD black on black, CC Std box Z71 Duramax/Allison, Sunroof and Nav 295/70/17 (33.25X11.6) MB V-Drive and Nitto TG's. Torsion bars not cranked, engine stock. 15% tint. 6000k 55w HID's
Portland DP member #23

08 700R Black SE Barker Duals some other stuff
2011 Forest River XLR 40'
07 Baja 26 Outlaw 496 H.O.

Previous rides........
04 Forest River Sierra Sport 38' hauler
08 Rage'n XL3005 hauler
06 TRX 450R
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Old 02-28-2016, 01:30 PM   #3 (permalink)
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Also, about 15 to 20% of you trailer weight will be on the truck (The 2230 lbs).
2011 GMC 3500 Denali HD, Banks Exhaust From DPF Back, Stock Tune, Pullrite 22K Super Rail 5th Wheel Hitch. Pioneer AVIC-8200NEX Navigation Radio, Tailgate camera view moved from mirror to Navigation display, Pace Edwards Electric Bedlocker Tonneau Cover, with a 37 gallon Transfer Flow tank with Trax2 display, under it's canister, Chrome wheel opening moldings, Mirror mod, with forward led marker and turn signals and puddle lights. Member 993 of the Dually Club.

SOLD: 45' Dutchman Voltage Toy Hauler with side and rear view cameras to Nav. display, Kodiac Hydraulic disc brakes, Mor Ryde suspension and pin box.

SOLD: 2003 Silverado 2500 HD, Banks Exhaust from turbo back. Late model mirrors with forward led marker and turn signals and puddle lights, Pullrite 22K Super Fifth hitch with Super Rails, Brake Smart controller, Air horn mod, HID's and LED's
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Old 02-28-2016, 01:38 PM   #4 (permalink)
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You will be right on the edge of being overloaded if you go by rear GAWR with that fifth wheel dry, your tires are the weak link. I tow a gooseneck at about 13,500lbs with my 2013 and I am just under the max for the stock tires, and I have to make sure the trailer is loaded just right or I can be over 6400lbs on the rear axle(the rating on the stock tires).

With my gooseneck hooked up it has a pin weight of 2680lbs and I am 580lbs over the GVWR of the truck but 200lbs under on the rear tires. I have added air bags to level the truck with the trailer hitched up and that has helped. You have to figure that the 2792lbs payload does not include passengers, fifth wheel hitch or anything else you put in the truck.(any after market items installed on the truck).

Best bet is get your truck weighed with everything you plan on having in the truck then you know what you have to work with, I am going up to a 19.5" tire combo to get more of a safety cushion because I don't like being right on the max rating of the tires. I don't think a blow out at 60mph would be very fun.

13 2500 HD 4X4 CCSB LT/Air bags/B&W Gooseneck Hitch
09 2500 HD 4X4 CCSB LTZ
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Last edited by Moneypitt; 02-28-2016 at 01:40 PM.
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Old 02-28-2016, 08:38 PM   #5 (permalink)
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20% of 15K lb GVWR will give you a worst case pin weight of 3000lbs. Too heavy for a 3/4 ton.
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Old 02-28-2016, 10:07 PM   #6 (permalink)
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You don't say what your gross trailer weight is. I wouldn't do it. I have a 2015 2500hd gross trailer weight is 17,000 lbs we just bought a 29 foot 5th wheel gross weight is 10K. I want a lot of extra room for weight. By the time you load up your 39 footer you'll be pushing the max of your truck.
2015 2500 HD Silverado LTZ 4X4
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Old 02-29-2016, 07:49 AM   #7 (permalink)
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IMHO, not enough truck for the trailer. I went from a 3/4 ton to a dually and am much happier with it. My 5er is 35 feet long. The last time out with a full load of water, etc, with the truck I weighed 23,900lbs. I have an 8ft box. My 3/4 ton was a short box and I had air springs on it. They do not change the GVWR of your truck. They just level it out. That truck will pull that trailer to hell and back but that's not what we're talking here. As said above get the truck weighed with what would be in it for a trip, IE, passengers, animals, hitch, what would be in the back. A CAT scale can weigh both axles with a load in the truck. Then subtract what that weight is from your GVWR and that tells you what amount of weight you can put on the truck when the 5er is hooked up. I just weighed the few crates of freezables I take out of the 5er for the winter and they weighed over 200 lbs.( I am starting to get cabin fever, I guess) So you can really load a lot into the 5er and may not realize what that weight is and it all has a bearing on the weight put onto the truck. If you used 20% of that 15000 lb GVWR of the 5er it would be 3000lbs on the hitch...if you loaded the 5er to max GVWR. Do more research and be safe.
2011 1 ton GMC Sierra, Duramax, long box dually, crew cab, stock.
2009 35ft Forest River Silverback
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Old 02-29-2016, 10:19 AM   #8 (permalink)
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CAN it pull it, YES. Can you stop it, MAYBE. From what I'm reading you are (or will be) running right at your MAXIMUM all the time, and perhaps slightly over. Biggest issue most overlooked is ACTUAL axle weight ratings and tire load capabilities. We have all at one time or another pulled something greater than we should have. Best advice is look at worst case scenario and decide if you are comfortable taking that risk. Either a 3500 (SRW or DRW) or a smaller 5er are my suggestions.
2008 Silverado K3500HD dually CCLB (LMM)
2005 Silverado K2500HD ECLB LT (LLY) (SOLD)
2003 Silverado 2500HD ECSB 6.0l/4L80e
2000 Pontiac Grand Am GT
Member #1063 3500 Dually Club

Last edited by TiredFarmer; 02-29-2016 at 10:19 AM.
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Old 02-29-2016, 05:37 PM   #9 (permalink)
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Moved to Towing
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Old 03-02-2016, 10:00 PM   #10 (permalink)
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Like "bobmcgon" said, go with the actual weights.

You could use the trailer GVWR as the maximum , and then maybe have to work the loading so the pin weight doesn't over load the rear axle of the truck.... tire weight rating.

The sales brochure weights for both the truck and the trailer show the showroom weight. THAT IS NEVER A REAL LIFE SITUATION. You maybe surprised the weight of the "stuff" you carry in the truck and the trailer over time.


'16 Chev 2500HD LTZ Z71, CC, Duramax, Allsion, 4wd, new Sept 2016, has factory fifth wheel prep so added a Curt hitch.

Traded off-'05 Chev, 2500HD, CC, SB, Duramax, Allison, 4WD, bought new April '05, sold at 179,400 miles, LBZ mouthpeice, Blocker Plate & Unplugged EGR, Air Box cut out, lost the cat, 52 US Gal (196 Litre) Titan Fuel Tank, SuperChips tuner reset to stock and retained, AirLift air bags, BrakeSmart Trailer Brake controller, PaceEdwards cover-replaced 2013, DSP Fifth Hitch, JVC KW-NT1 headunit, kept the"AutoEnginuity" scanner.

'02 GMC, 2500HD, CC, SB, D/A, 4wd, Traded in - wrong color
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