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Old 09-08-2016, 09:30 AM   #15
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Originally Posted by Llamamontana View Post
Will a 3500 2wd dually handle pretty much most 40'+ 5th wheels?
You have to sit down and do the numbers. Ignore towing capacity. That is about as reliable as MSRP. It is with a barebones truck with only towing options and no load.

Use GCWR, GVWR, and GAWR. If any of the numbers are exceeded you are over loaded.

The truck should be fully equipped and include all passengers, full fuel and all of the "stuff" like tools, etc you will be carrying. Include 150 lbs for a hitch on the rear axle.

It is not complex but time consuming to get all of the ducks lined up and calculated.
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Old 09-08-2016, 06:15 PM   #16
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If you are towing anything 40' long or more you won't ever regret a diesel dually with a 4:10 rear gear. If you are traveling with more than just your mate then get the full crew cab with the 8' box. The miles will melt away, mileage will be decent, it will pull any hill with ease, comfort level is high, and it will stop better than anything else on the road without air brakes. It is a big truck but is very easy to get used to driving. I put over 100,000 miles on a '99 Ford F350 4WD with a 7.3 with a 50hp increased "towing" program carrying 5 or 6 people, pulling a 40' race car hauler that was around 22-23,000# total for everything including the truck and loved it. Most people have no idea what they are getting into pulling heavy high trailers for the first time. You need power (torque), weight, good visibility, and good brakes. Always allow yourself plenty of room to stop as the knucklehead in the car right in front of you will never look in his mirror until you are nearly parked on his trunk lid because he forgot he had to turn left RIGHT HERE and there is oncoming traffic.
Enjoy the process and take all of the recommendations as friendly experienced help
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Old 09-08-2016, 11:53 PM   #17
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Love my dually. As mentioned on many other posts, "you never hear anyone complaining about too much truck".
Certainly a matter of safety. Appreciate all the good advice in this thread. I have wondered many times when passing large 5th wheels, just how much overweight the tow vehicle is.
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Old 09-09-2016, 08:41 AM   #18
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The 1999 Ford F-350 Dually Diesel has a GCVWR of 20 K , the truck weighs approx 8 K so that leaves you 12K for what your towing. That's not much. The 99 one ton was essentially a 250 with extra spring and 4:10 rear end which is why the GCVWR is the same for both, Payloads are different ETC .

You need a much newer model to get higher GCVWR ( I.E. 2016 Ram 3500 with 4:10 rear end 39,100 ).
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Old 09-09-2016, 09:44 AM   #19
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Click image for larger version

Name:	uploadfromtaptalk1473435288421.jpg
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ID:	1384692017 Torque 325, gvwr #16,250, 2016 F250 6.7L, trailer loaded to go is #14,700, I have just under 5000 miles on the trailer since I picked it up in May, 11 states so far and zero issues, except having a 26 gallon fuel tank! Can easily do the speed limit up or down or flat, average mpg is 10.8.
Diesels are the only way to go, and one with a exaust/engine brake is a must.
Good luck on your search.
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Old 09-09-2016, 01:13 PM   #20
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Attachment 1384692017 Torque 325, gvwr #16,250, 2016 F250 6.7L, trailer loaded to go is #14,700, I have just under 5000 miles on the trailer since I picked it up in May, 11 states so far and zero issues, except having a 26 gallon fuel tank! Can easily do the speed limit up or down or flat, average mpg is 10.8.
Diesels are the only way to go, and one with a exaust/engine brake is a must.
Good luck on your search.

Sweet setup. I was looking for a Toy Hauler when we bought our fifth wheel, but the CFO just couldn't warm up to the floor plans after she saw the one we ended up buying. So to end up with a toy hauler, I bought a swivel wheel to haul the golf cart.

BTW. Hope you have you flame suit on... The weight watchers will be by shortly.
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Old 09-09-2016, 01:19 PM   #21
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Sweet setup. I was looking for a Toy Hauler when we bought our fifth wheel, but the CFO just couldn't warm up to the floor plans after she saw the one we ended up buying. So to end up with a toy hauler, I bought a swivel wheel to haul the golf cart.

BTW. Hope you have you flame suit on... The weight watchers will be by shortly.
They always are! Not to worry I'm within all my weights so let them, some people just can't help but to knock every setup!
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Old 09-09-2016, 02:33 PM   #22
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Best truck to pull a 5th wheeler toy hauler 40'

Man, that has a light pin weight it seems? Nice looking combo
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Old 09-09-2016, 04:15 PM   #23
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Man, that has a light pin weight it seems? Nice looking combo
2600-2800 depending on how I'm loaded, I'm close no doubt, the heaviest I've been is 22,700 and that was with everything for a 20 day 11 state trip.
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Old 09-10-2016, 04:43 AM   #24
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Just for reference, the newer diesel trucks wouldn't need a 4.10 rear end to pull 15k. Mine does fantastic with 3.42. It's all about the torque.
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Old 09-10-2016, 10:11 AM   #25
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In one of my previous posts for a RAM 3500 4X4 DRW MegaCab loaded to 10,000 pounds befor adding the trailer. However I did calculations only with the 3.73 and 4.10 but not the 3.42.

FYI, the reason I picked 10,000 for the GVW is that includes two occupants, two large dogs, hitch weight and some misc items. The GVW will go down for different body configuration but I used the MCSB since it's the worse case. For any given body type using the same engine, transmission and rear wheel configuration will typically have the same GVWR, GAWR and GCWR.

So back to the numbers, given the same configuration above with the 3.42 the max 5th wheel that can be pulled does drop a little to 19,300 pounds with a max pin weight of 3,860 pounds.

Just for fun I did the same configuration with the 68RFE transmission and adjusting for the transmissions lighter weight. Here were the results. With the 4.10 it's still 20,000/4,000 pounds (GTWR/Pin). With the 3.73 it drops to 17,500/3,500 pounds and at 3.42 it's 15,500/3,100 pounds. From these numbers only the 4.10 is useable so given the the ASIN only adds about 3% to the price I'd stick with it.

So given those numbers I think the the sweet spot for a Dodge 3500 MCSB 4X4 DRW 6.7l ASIN transmission is using the 3.73 ratio. Might be a tad slower on some steep hills but overall it's the better choice. I know that someone will say they can pull more but I'm betting that they are exceeding at least one of the max weight ratings.

As you can see in nearly all configuration what you can pull and what they say you can pull is vastly different. In the case of the RAM 3500 20,000 is the most I'd ever consider pulling. Anything past that means moving to a 5500, Ford F550 or a true MDT or HDT.

Oh, I do plan to run the numbers using the 2017 F350 and F450 once I get the official specifications.

It would be interesting to compare the mileage between the three ratios with all other conditions being the same.

Comments?
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Old 09-10-2016, 12:55 PM   #26
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Why would GVWR change? My Ram 3500 CCLB DRW is 14,000 GVWR.... that doesn't change options, just the availible payload will drop with more options / passengers and such right?
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Old 09-10-2016, 02:01 PM   #27
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Why would GVWR change? My Ram 3500 CCLB DRW is 14,000 GVWR.... that doesn't change options, just the availible payload will drop with more options / passengers and such right?
The GVWR doesn't but the GVW does based on options, body style, passengers, hitch weight and other payload as you said.

The GCVWR changes based mainly on engine, transmission and differential ratio.

The main issue for families pulling a 5th wheel RV turns out to be the GVW before you hitch up which is why 20,000 pounds or so is a reasonable upper weight for a 1 ton with a pickup body.
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Old 09-17-2016, 12:34 PM   #28
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First, let me say I assume you are talking about buying a new 350 , anything else would be subject to infinite speculation.

Since you indicated a 40' Hauler there is a lot of room for what the GVWR for the trailer could be. Let's assume 20 K.

What your concern should be is the GCWR for the truck and trailer is. Since your total could be 28K plus that pretty much requires that the Truck be a Dually and any of the big 3 3500's can pull up to 30K plus. The highest GCWR truck is the Dodge Dually with the 4:10 rear end with a 37K plus rating.

The real problem in pulling heavy trailers is " The tail wagging the dog syndrome ". If you don't know what I'm talking about you will soon find out if you buy a truck that is too small for what your pulling. Understand that "Pulling is not the problem, any diesel 2500 will pull just about any load , it's about turning and stopping ( in panic mode ) that's important .95% of the time you won't need the bigger truck it's that 5% that will save you from an unhappy outcome.
Ford is back on top as of 2017 model release. The F350 allows max 27,500 tow for 5th wheel with 7,630 payload and GCWR of 40,000 all according to the recent review in Trailer Life's October 2016 Edition.

Either way, a dually really is the way to go with most toy haulers (we love our's). Parking garages and the bank drive thru are a pain in the rear for DRW vehicles, but no real issues with most other drive throughs/situations. It works great as a daily driver for me. Love driving our F350 anywhere. Ride is great and not difficult at all once you are used to it. Any of the big 3 DRW's (Ram, Ford, or GM) will do a great job IMHO.
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