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Old 10-07-2018, 10:19 AM   #1
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Fifth Wheel towing wF250SD diesel.

Fifth Wheel towing wit 2017 F250 SD 6.7diesel, w/ tow package.

Anyone towing a OF373RBS Open Range by Highland Ridge with F250SD 6.7 PowerStroke FX4 off road w/ tow package?

The factory literature say 16K for weight, but on two models we have seen the important manf sticker says they were in the 12.5K range.

So any experience or insight here? I'm new to 5th wheel towing, weights and setups.
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Old 10-07-2018, 10:29 AM   #2
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When towing a 5th wheel the single number to look at first is the cargo capacity of the truck, since in most cases this is the number that will be exceeded first. So I would start by looking at the dry hitch weight of the 5th wheel, add to that 25% of the carrying capacity of the 5th wheel. That will be the true hitch weight of the 5th wheel when fully loaded to capacity. Remember the cargo capacity of the truck per the sticker is the OEM weight plus a 150 pounds driver and full fuel tanks. So every pound you add to the truck over that also counts against the cargo capacity.
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Old 10-07-2018, 10:54 AM   #3
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Similar to clr’s thought, I’d take the trailer’s unloaded sticker weight and add at least 1000#, then take at least 20% of the total. That’ll give you an assumed pin weight.

A 3/4 ton with a Diesel engine will have a lower payload number to work with. If you want to stay under the truck’s GVWR you’ll need to do these calculations.

The Diesel engine will have no problem pulling the weight so that’s not an issue. The thing to check is can the truck carry the weight.
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Old 10-07-2018, 10:58 AM   #4
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Dry weight weight of the trailer number is close to useless. After gear is added the specs put it at about 16K (dry 12.6K nothing in it) I would go by the 16K.

Sorry I am a little confused as to the numbers that you are stating......... but if the yellow sticker says 12.5K then you need to add 1k to 2K or more for water, propane, gear, supplies etc.


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Old 10-07-2018, 12:35 PM   #5
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When towing a 5th wheel the single number to look at first is the cargo capacity of the truck, since in most cases this is the number that will be exceeded first. So I would start by looking at the dry hitch weight of the 5th wheel, add to that 25% of the carrying capacity of the 5th wheel. That will be the true hitch weight of the 5th wheel when fully loaded to capacity. Remember the cargo capacity of the truck per the sticker is the OEM weight plus a 150 pounds driver and full fuel tanks. So every pound you add to the truck over that also counts against the cargo capacity.
The driver's weight is NOT a part of the Payload Capacity equation, it's a part of the Towing Capacity equation.

Payload Capacity considers the driver as one of the Occupants. It only exempts the weight of the full fuel tank.
Towing Capacity exempts the weight of the full tank AND a 150lb driver.
That's why the payload sticker says "Occupants and cargo should not exceed xxxxlbs".
rlh, you need to focus about the trailer's pin weight. The trailer's weight is secondary to that.
You'll always run out of payload capacity WAY before getting close to towing capacity.

By the way, we also found a Open Range that's perfect for us, if we ever decide to go bigger.
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Old 10-07-2018, 12:59 PM   #6
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I have the F-350 and Open Range RES347 that is 14,000 plus gross weight and the pin weight is over 2000. Andersen hitch is 35 pounds which also saves weight. Another issue I had to change the rear truck axle blocks to lower the truck 2 inches to help level the RV. The 350 is needed to keep within limits.
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Old 10-07-2018, 04:16 PM   #7
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Unfortunately, the F250 diesel has a fairly low payload capacity. The GVWR of this truck is likely 9900 lbs or 10000 lbs. Ounce you will have the weight your FW puts on your truck, weigh your truck on a truck scale with the passenger and your hitch in the truck. The difference between your sticker weight (10000 lbs) minus your truck weight will give you the available payload for your FW.
Your truck is a 2017, and is lighter than mine, but not by a lot. I changed my F250 for a F350 when I realized I was at least 500 lbs + overweight in payload...and we have to be careful because the Ford F 350 (2017 +) has an option for a 9900 lbs GVWR truck, you have to look for the GVWR of 11500 lbs. This is what I have, and It gives me close to 3000 lbs of payload capacity for my FW.

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Old 10-07-2018, 05:02 PM   #8
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I had a F 250 and upgraded to a F 350 to get my weights in line. I have a pin weight of 3200 lbs fully loaded well within my CCC on the truck. I towed a 1900 lb pin weight Rockwood with a F 150 had CCC of 1850, adding truck load it was 800 lb over weight. Never again.
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Old 10-08-2018, 10:44 AM   #9
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Originally Posted by rlh1957 View Post
Fifth Wheel towing wit 2017 F250 SD 6.7diesel, w/ tow package.

Anyone towing a OF373RBS Open Range by Highland Ridge with F250SD 6.7 PowerStroke FX4 off road w/ tow package?

The factory literature say 16K for weight, but on two models we have seen the important manf sticker says they were in the 12.5K range.

So any experience or insight here? I'm new to 5th wheel towing, weights and setups.
I have a 2017 F250 similar to yours....mine is an XL/STX and, according to the yellow sticker, has about 2600 lbs of payload. I also have the 3.31 gears.

We have a 371MBH which (according to the mfr website) weighs about the same as the 373. Towed it like a dream. Our first trip home was about 100 miles over some mild hills, and the truck kept 6th gear most of the time. Stability was good, and the truck didn't squat hardly at all. In fact, the truck sat level with this load with about 6-7" of space between the bed and the nose of the camper. I ran down the road at 65 (with a side wind) and it was a relaxed experience.

The weight police will surely chime in, but I'm adding airbags this weekend because I know my pin weight will go up now that it's loaded. The weak link in the F250 are the rear springs....the rest of the truck is the same as the F350. While adding airbags don't change the legal rating of the truck, as long as you drive like a sane person, I bet you will be alright.
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Old 10-08-2018, 11:16 AM   #10
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The F-350 and the F-250 have completely different rear axles. I think there is almost 1000 pounds of added capacity just in the rear axle. People do not buy the F-350 for the badges on the fender.
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Old 10-08-2018, 12:21 PM   #11
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[QUOTE=Oaklevel;1944605 you need to add 1k to 2K or more for water, propane, gear, supplies etc.


[/QUOTE]

Man Am I the only one who can load a camper for a family of 4 with about 300-500 pounds of stuff (food ,cookware, bedding, toiletries, games) and go camping for a week? Geesh 2K pounds.. OHHH I dont take a TV, that might be the difference..L
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Old 10-08-2018, 12:41 PM   #12
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The F-350 and the F-250 have completely different rear axles. I think there is almost 1000 pounds of added capacity just in the rear axle. People do not buy the F-350 for the badges on the fender.
The F250 has the Sterling which was the axle on the previous gen F350. The 17 and newer now have the Dana axle, and you can get the same axle on the F250 with the trailering package....which is what the OP said he had. So try again......
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Old 10-08-2018, 01:07 PM   #13
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The F250 has the Sterling which was the axle on the previous gen F350. The 17 and newer now have the Dana axle, and you can get the same axle on the F250 with the trailering package....which is what the OP said he had. So try again......
So then there must not be any difference between the 250 and 350. Next time I will get the 250.
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Old 10-08-2018, 02:06 PM   #14
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If the real available payload of the OP’s 2017 F-250 with a Diesel engine is in the 2600# range, then the Open Range OF373RBS that the OP is talking about will put that F-250 well over its GVWR. It’s a 41’6” long 5th wheel. The website claims a pin weight of 2680# and we all know that published pin weights are significantly less than the real world, loaded pin weight. Whether or not a person chooses to ignore this and go by “seat of the pants feel” is up to them, but the numbers are what they are. Personally, to tow something that’s that long and heavy I’d have nothing less than a 1 ton SRW with a long wheelbase.
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Old 10-08-2018, 02:14 PM   #15
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mxdad, do you know of a website that provides accurate info on the differences between the F-250 and the F-350? I read comments all the time about there being little difference between them but I’d like to see an actual Ford web page or document that explains exactly which parts are different. I have a 2016 F-250 XLT with the snow plow and camper packages which has upgraded suspension parts but obviously it still has a sticker GVWR of 9900#.
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Old 10-08-2018, 02:34 PM   #16
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The weight police will surely chime in, but I'm adding airbags this weekend because I know my pin weight will go up now that it's loaded. The weak link in the F250 are the rear springs....the rest of the truck is the same as the F350. While adding airbags don't change the legal rating of the truck, as long as you drive like a sane person, I bet you will be alright.
Are you saying that airbags increase payload capacity, because they don't?
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Old 10-08-2018, 03:04 PM   #17
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If the real available payload of the OPs 2017 F-250 with a Diesel engine is in the 2600# range, then the Open Range OF373RBS that the OP is talking about will put that F-250 well over its GVWR. Its a 416 long 5th wheel. The website claims a pin weight of 2680# and we all know that published pin weights are significantly less than the real world, loaded pin weight. Whether or not a person chooses to ignore this and go by seat of the pants feel is up to them, but the numbers are what they are. Personally, to tow something thats that long and heavy Id have nothing less than a 1 ton SRW with a long wheelbase.
That 5er is over a 1 ton SRW also. Check your GVWR and then you GCWR.
I will bet that that 5er is in the 16K - 18K weight range. Add the weight of the tow vehicle and you might possibly over 21K. Sure it will pull that but if the brakes on trailer are lost I'll venture to say it won't stop on the hills out Western US or Canada. Had it happen to me on a 7 percent grade. Was a definite "white knuckle" ride. Moved to mid class semi for tow rig after that. Trailer was a 40ft Alpenlite loaded weight around 17K.

Towing is one thing stopping is another.

Just my opinion. I now have a motorhome.
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Old 10-08-2018, 03:12 PM   #18
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Are you saying that airbags increase payload capacity, because they don't?
Always scares me what some will tow.
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Old 10-08-2018, 03:14 PM   #19
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That 5er is over a 1 ton SRW also. Check your GVWR and then you GCWR.
I will bet that that 5er is in the 16K - 18K weight range. Add the weight of the tow vehicle and you might possibly over 21K. Sure it will pull that but if the brakes on trailer are lost I'll venture to say it won't stop on the hills out Western US or Canada. Had it happen to me on a 7 percent grade. Was a definite "white knuckle" ride. Moved to mid class semi for tow rig after that. Trailer was a 40ft Alpenlite loaded weight around 17K.

Towing is one thing stopping is another.

Just my opinion. I now have a motorhome.
Website says the UVW is 12,665# so I’d guess it’ll be close to 14,000# loaded and ready to go camping. A SRW can probably handle it which is why I said “nothing less than a 1 ton SRW”, but I agree that a dually would be better.
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Old 10-08-2018, 03:37 PM   #20
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mxdad, do you know of a website that provides accurate info on the differences between the F-250 and the F-350? I read comments all the time about there being little difference between them but Id like to see an actual Ford web page or document that explains exactly which parts are different. I have a 2016 F-250 XLT with the snow plow and camper packages which has upgraded suspension parts but obviously it still has a sticker GVWR of 9900#.
I would not go with anything else for GVWR than what the sticker says. I still don't understand why Ford has an option for a F350 with 9900 lbs GVWR starting in 2017. Why would we bother buying a 1 ton truck, If a 3/4 ton can have the same GVWR ? I still believe that the F350 with a GVWR of 11500 lbs is the safe option to tow a FW heavier than 10K. The extra leaf and the rear axle provide what we need to match the 11500 lbs GVWR...just a matter of safety.
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