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Old 06-22-2014, 11:30 AM   #1
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Age old question...will my truck tow it?

Since my DW trailer choice was pretty much shot down in previous post and since we are extreme newbies in The 5er world we need help. We are going to buy a 2015 Ford diesel SRW 3/4 or if have to 1 ton but for reasons I can't go into we cannot go DRW :( Ford book says it will tow 15900lbs. Between me, DW, dogs fuel etc we're at just under 1000lbs cargo. Trailer we are looking at is keystone everest 320T . GVWR is 14325lbs with pin weight at 2295. Is this doable with 3/4 or 1 ton SRW? If not how much smaller do we need to go thus making DW un-happy once again.

Koop
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Old 06-22-2014, 11:45 AM   #2
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JMHO: You are doing the right thing by sizing your truck to the trailers GVWR; and not the questionable " Dry Weight"
Was the 15,900 trailer weight for the SRW one ton?
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Old 06-22-2014, 12:03 PM   #3
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Both the F250and F350 SRW are listed at 15900lbs.
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Old 06-22-2014, 12:05 PM   #4
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I'm assuming I can have a higher pin weight and cargo wight with F350?
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Old 06-22-2014, 12:12 PM   #5
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Originally Posted by Captainkoop View Post
I'm assuming I can have a higher pin weight and cargo wight with F350?
Check the specs for the RAWR of both trucks , and rated payload.
I'll see what I can pull up. With the 5er's, pin weight at 2300 lbs one ton would be my choice.
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Old 06-22-2014, 01:04 PM   #6
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Empty without cargo that 320t is shipped out at 11015 lbs.....add a couple of thousand in cargo and you are beginning to hit your max even factoring your hitch weight of 2370 lbs. As for the truck check out fords specs 2015 Ford Super Duty | View Payload Specifications | Ford.com
If you choose to buy the 5er you will at the minimum be looking at the F350. Good luck with your search.
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Old 06-22-2014, 08:03 PM   #7
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Originally Posted by Captainkoop View Post
Both the F250and F350 SRW are listed at 15900lbs.
Is that with all combinations of rear axle ratios?
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Old 06-22-2014, 08:57 PM   #8
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If buying a new truck I would buy an F350 SRW. The F250 is the same truck with lower stance. The rear springs are the same but the loaded spring travel is increased by using taller spacers. They usually ride the same but the 1 ton is taller and I don't like the empty height of the tailgate, also the Ram 3500 SRW is similar. Of course the 2wd is much lower.
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Old 06-22-2014, 08:59 PM   #9
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Captainkoop,
The F250 has a GVWR of 10,000#, the F350 has a GVW of 11,000#, so with the extra 1000# of GVWR you may be right at the limit for the 5er that you are asking about. The only way to know for sure is to get the truck and load it with your passengers full tank of fuel, hitch installed and anything else that will be in the truck and weigh it , then you will know for sure how much pin weight that you can handle. The F250 just doesn't have enough capacity for the pin weight, the F350 SWR, will be really close.
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Old 06-22-2014, 09:49 PM   #10
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Quote:
Originally Posted by Skip426 View Post
Check the specs for the RAWR of both trucks , and rated payload.
I'll see what I can pull up. With the 5er's, pin weight at 2300 lbs one ton would be my choice.
The published pin weight at 2300 will be on the low side. It will be for the unloaded weight of the trailer and will not include propane, water, bedding, beer, towels, etc, etc.

I would count on 22 - 25% or about 3100+ lbs on the pin. Plus the weight of the 5 wheel hitch (about 300 lbs with hitch and mounting)

With the restrictions you are putting on the TV you may have to make the DW unhappy with the decision or put your life at higher risk.

If you are only going to RV close to home on slow highways or drive slowly in interstates that are fairly flat you can go to the max of the truck capacity with a lot of confidence. However if you plan to go into the mountains and on to state highways that have steeper grades my recommendation is a bit more truck is better than not enough truck.

If you can get hold of one of the trucks in question and load it approximately to what you plan to carry (including DW, dogs, cats, bicycles, propane, etc, etc,) you can get a better idea once you know the loaded weight and the weight on the rear axle.

Take the rear axle weight + 300 lbs and subtract it from the RGAWR. Divide that weight by .22 and you will get an approximate GVW for the trailer.

Take the loaded weight + 300 lbs and subtract it from the GVWR. Divide that weight by .22 and you will get an approximate GVW for the trailer.

Take the lesser of the results of the two calculations and that will give you the maximum approximate GVW of the trailer you should consider.

If you can find the GCWR for the truck. Add the GVW of the trailer you should consider + the weight of the truck + 300 lbs and see if it is less than the GCWR.

Good luck in your quest. It may seem confusing but it will get better once you understand the numbers. Unfortunately I always say once I understand it I will never use it again.
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Old 06-23-2014, 08:42 AM   #11
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there is a sticky at the top of this forum section. open it and read thru it. it takes you step by step on figuring out what you can tow. you need to do some weighing of your truck and researching the GVWR of the trailer(s) you are looking at. then do some math to determine what you can tow. other than that you are trying to make a decision based on suppositions.

after all that you then need to make a heartfelt decision whether you want to follow those safety rules or not.
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Old 06-23-2014, 10:00 AM   #12
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Quote:
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Ford book says it will tow 15900lbs.
That tow rating is a myth. It tells you the max weight you can pull but ignores the hitch weight you can haul without being overloaded. You cannot get close to a 5er that grosses over 14k without exceeding the GVWR of the F-250.

Quote:
GVWR is 14325lbs with pin weight at 2295. Is this doable with 3/4 or 1 ton SRW?
Count on the wet and loaded trailer grossing close to the GVWR eventually. And count on at least 22% pin weight. So you need enough truck to tow a trailer that weighs 14,325 with a pin weight of about 3,150 without exceeding any of Ford's weight limits.

F-250? No. Forget it. First consider the F-350 SRW diesel with 18" tires:

For 2014 model year, GCWR 23,500. GVWR 11,500. 2015 is probably the same.

23,500 minus 14,325 = 9,175 max wet and loaded truck weight before tying onto the 5er. That's easy to do, so GCWR is not your limiter

11,500 minus 3,150 = 8,350 max wet and loaded truck weight before tying onto the 5er. That one is doable, but it will be very easy to exceed that weight.

So what your are calling a one-ton truck with single rear wheels, the F-350 SRW, will be barely adequate for that trailer. But if your truck is a CrewCab 4x4 diesel, then you'll be very close to the GVWR of the truck if you're very careful of what you haul in the truck. You and DW and minimum tools and jacks is about it. Haul the remainder of the weight in the trailer, not the truck.

Go for a 4x2 and that gives you about 400 pounds more payload capacity. Go for a SuperCab instead of a CrewCab and that gives you another coupla hundred pounds of payload capacity.

So yeah, an F-350 SRW diesel with 18" tires will be "enuff truck" for that trailer without exceeding any of Ford's weight limits if you stay awake and be careful what you try to haul in the truck. Compromise with a 4x2 and/or SuperCab and you'll even have a bit of wiggle room to not be overloaded.
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Old 06-23-2014, 01:56 PM   #13
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Fantastic info.. The truck is a 4x4 crew diesel SRW 20 inch. For margin of error ( which is usually me not doing something exactly right) I better go F350 and if possible find a slightly smaller trailer or be very very carful about how I load trailer and truck. Thanks. Koop
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