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PostPosted: Tue Aug 29, 2017 9:17 pm 
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OR Year: 2018
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Gosh I have never been so confused with all the information out there. I really do need some advise on what I can tow with my truck. The 371mbh has hitch weight of 2500 lbs and dry weight of 12,500 lbs. I have air bags installed and GMC reports that the max fifth wheel towing is 13,500 lbs with max cargo of 2513 lbs.


Am I way out to lunch thinking the 2017 2500hd duramax diesel can tow the 37mbh ?


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PostPosted: Tue Aug 29, 2017 9:23 pm 
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Location: Nebraska
OR Year: 2013
OR Model: LF305BHS
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Jmehl wrote:
Gosh I have never been so confused with all the information out there. I really do need some advise on what I can tow with my truck. The 371mbh has hitch weight of 2500 lbs and dry weight of 12,500 lbs. I have air bags installed and GMC reports that the max fifth wheel towing is 13,500 lbs with max cargo of 2513 lbs.


Am I way out to lunch thinking the 2017 2500hd duramax diesel can tow the 37mbh ?


Depends how far you are planning to tow and in what kind of terrain. I would re-check the max 5th wheel towing weight. You might be able to reduce the hitch weight by how you load the RV. Access to a scale will be the only way to be sure.

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Paul, Tricia, Calvin 13 and Cara 9.
Gauge the Yellow Lab 16 (still loves camping)

2013 LF305BHS
2011 Chevy 2500HD Crew LTZ DMax


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PostPosted: Tue Aug 29, 2017 9:42 pm 
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OR Year: 2012
OR Model: 399BHS
Member ID: ORF-0621
Jmehl wrote:
Gosh I have never been so confused with all the information out there. I really do need some advise on what I can tow with my truck. The 371mbh has hitch weight of 2500 lbs and dry weight of 12,500 lbs. I have air bags installed and GMC reports that the max fifth wheel towing is 13,500 lbs with max cargo of 2513 lbs.


Am I way out to lunch thinking the 2017 2500hd duramax diesel can tow the 37mbh ?

I won't say out to lunch but you are exceeding your limits.
The 371 MBH has a GVW of 16,470 which is way too much for 2500 or 3/4 ton truck.
Max 5th wheel towing capacity based on what is written above is 13,500. the MBH 16,470 exeeds that right off the bat.
The payload or cargo capacity of the truck is listed above as 2513. The unloaded hitch weight of the 371 MBH is 2500 pounds You are going to exceed that limit as well.
You are confusing yourself by looking at the fictitious dry weight numbers. No one tows and empty unloaded RV you need to concern yourself with loaded numbers.
If I were buying a truck to tow a 16,470 GVW fifth wheel it would be a 3500 dually not a 2500. There maybe a few 3500 single rear wheel (SRW) trucks that can handle that weight. But I would go directly to a dually to have ample cargo capacity.
The cargo capacity of the truck= pin weight of trailer + cargo in truck + weight of passengers in truck (excluding driver). Keep in mind the pin weight of the trailer will increase as the trailer is loaded with supplies, clothes and camping gear.
Pin weight of a 5th wheel is generally 20% of the loaded trailer weight. A 16,470 trailer will have a potential 3,294# pin weight.
A 2500 Duramax is certainly not the ideal truck for a trailer as large as the 371 MBH

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Arvika rack,BakFlip,5500 Onan,RVLock,RVsafepower
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PostPosted: Tue Aug 29, 2017 10:04 pm 
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The payload should be around 3,200 and 5th wheel 18,100

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Paul, Tricia, Calvin 13 and Cara 9.
Gauge the Yellow Lab 16 (still loves camping)

2013 LF305BHS
2011 Chevy 2500HD Crew LTZ DMax


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PostPosted: Wed Aug 30, 2017 5:29 am 
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Campfam wrote:
The payload should be around 3,200 and 5th wheel 18,100

Those numbers quoted are part of the confusion. You will exceed the payload rating of 3200 if you attempt to tow a 18,100 GVW fifth wheel RV.

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Arvika rack,BakFlip,5500 Onan,RVLock,RVsafepower
RV760,PIsurge,GSR Steps,Titan Disc,Sailun
14'Porta Bote w/8.0hp,Splendide,RVLock


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PostPosted: Wed Aug 30, 2017 7:32 am 
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I agree with Lantley. No way would I tow the 371 with a 3/4 ton truck. As someone who towed a heavy fifth wheel with an inadequate tow vehicle, I would go straight to a dually if I were you.

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PostPosted: Wed Aug 30, 2017 2:17 pm 
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OR Year: 2017
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I will help.

In the past testing of towing capacity etc. was up to the manufacturers. For instance. The bumper, bed, tailgate, air bags, fuel, spare tire, dog, people etc. were considered options thus were not included for rating of hitch capacity, payload etc. You were expected to know that. I do not know how Ford or Chevy does their specs today.

Thus every option adds weight and lowers capacities thus anything published is sort of variable.

Your truck is between #1000 and #4000 in payload.

My truck, a four door mid level fancy Ram payload is about #1800 with the wife and I in the cab and a full tank of fuel. The most honest company is Ram. They say #2200. Without me and the wife and fuel it is actually #2400. I weighed it.

A fellow on this forum with a similar truck weighed in at #800. Lots more options and likely kids in the cab. The fancy air ride suspension. Every model level and option weighs more. Look at Ram it is the easiest to understand.

The diesel truck will tow about 8+ tons. No big deal. Payload(weight of the truck) cannot exceed #10,000 with a fifth wheeler attached.

Want the answer?

Go weigh your truck ready to roll with a full gas tank, all the riders, the cooler and fifth wheel apparatus. Subtract from #10,000. That is the max payload legally. This knowledge very much disappoints me. I should have bought a 3500. Pilot has scales as well as other truck stop stations. $13

Legally has nothing to do with ultimate capacity. i know my 2500 Ram is the same as the 3500 except for overload springs. A $200 option.


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PostPosted: Wed Aug 30, 2017 6:31 pm 
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Your fine, the 16,200 is max the trailer can weigh with all gear and all tanks full... trailer weight is closer to 13500 with basic gear 12,420 empty sticker if I'm not mistaken.... I have a 2500 gas and GM states 14,000 max fith wheel weight.... I weighed my truck empty and can hold 3500 ish payload before I max out truck GVW of 9600 lbs....... my suggestion is weigh your truck then subtract that from your GVR. That will give you your payload..... as far as towing I don't think anyone here would load a 371 full of all its tanks and tow it.....your be closer to the 13,500 loaded with camping gear..... IMO your good to go....


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PostPosted: Wed Aug 30, 2017 8:36 pm 
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It appears the specs. given above are from the brochure which are notoriously in accurate because they are based on a stripped model. The brochure weight do not include any options. Any options will be added to the brochure weight, like a 2nd AC or dual pane windows.
For a more accurate starting or dry weight one should refer the cargo sticker on the RV which will list the weight of the unit as it left the factory. this figure is typically 400-500 pounds higher than the brochure weight.
Also consider the weight of propane in the tanks and any water in the fresh tank. The weights will add up fast.
I agree the 16K figure is the max. However only adding 1000 pounds to the brochure weights is not very accurate either. The only way to get an accurate weight is to go to the Cat scale loaded up in ready to camp.
We can massage and review the towing numbers all we want but at the end of the day one must decide to either adhere to and trust the towing parameters. Or decide the towing parameters are bogus. In which case there is no point in pretending they have any relevance at all.
371mbh specs below:
Square Feet 430
UVW 12,505
Hitch Weight 2,500
GVWR 16,470
Cargo (Gross) 3,965
Exterior Length (Overall) 42' 1"
Exterior Height 155"
Exterior Width 100"
Exterior Width (Slides Out) 165"
Fresh Water (GAL) 85
Gray Water (GAL) 114
Waste Water (GAL) 41
LP Capacity (LBS) 60
Tire Size 16"
Awning Size

_________________
07 Duramax w/hips
TPMS,BD3,Kbee Xbrake,Bedsaver,HughesAutoformer
Arvika rack,BakFlip,5500 Onan,RVLock,RVsafepower
RV760,PIsurge,GSR Steps,Titan Disc,Sailun
14'Porta Bote w/8.0hp,Splendide,RVLock


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PostPosted: Wed Aug 30, 2017 10:45 pm 
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You sure you're not looking at the Chevy specs for a bumper pull? My 2015 (crew cab. short wheel base, diesel) is rated a bit over 17,100 lbs. (5th wheel) according to the owners manual. I just looked at Chevy's website and the tow rating listed for the 2017 2500HD (diesel) is 18,100 lbs (5th wheel). I didn't dig into it to verify which cab configuration. I've attached the .pdf


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2015 Silverado 2500HD diesel
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PostPosted: Thu Aug 31, 2017 9:54 am 
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Please notice that the example of the Chevrolet towing capacity does not address tongue weight(I only got one page). Nor does it consider what truck it is. A crew cab diesel weighs a ton more than a two door.

Imagine a trailer weighing #1000 balanced for no tongue weight. The average guy can pick it up and likely walk at a normal pace on flat ground a ways.

Change the tongue weight to that of a fifth wheel. #200. Not many of us could pick it up and walk at all.

I once made graphs for a living.

With no qualification notes this Chevrolet chart is true. Yep, it will tow most any TRAILER. As long as the gross vehicle weight of the truck or axles is not exceeded. But, that is not on the graph.


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PostPosted: Thu Aug 31, 2017 11:58 am 
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Location: North Carolina
OR Year: 2017
OR Model: 374BHS
Member ID: ORF-13379
The automotive and camping industries don't help us out with any easy guides to towing. This forum has been very helpful but there is a lot of guessing and opinions being shared. Here's my attempt at trying to help out. Please work with your dealer and speak with an Open Range rep before buying. You are close to max on hitch weight and tow rating. It sucks that GM penalizes your payload and towing rating on 2500HD trucks with a diesel engine. It blew my mind at first.. because the diesel engine weighs more than the gas engine and they don't compensate elsewhere. The 3500 SRW Diesel has a much higher payload and tow rating (and seems to be the truck we all should buy to tow Open Range Trailers).

Here's my 2 cents based upon my experience.

I just purchased a 2018 OR RF374BH 5th wheel and am towing it with a Chevy 2500HD Gas Crew Cab. My RF374BH trailer specifications from HighLand Ridge are 12,300lbs unloaded, 2520lbs hitch weight and 16,470 GVWR. My truck's payload rating is 2849lbs, GVWR 9500lbs, max 5th towing 14,000lbs. Right away, I was concerned about exceeding payload. Payload rating can only be increased by either buying a 3500 with a higher rating or upgrading rear leaf springs and replacing tires with ones rated for a larger payload. Then, pay for an inspection to recertify the truck payload rating and apply a new sticker to the door frame.

Luckily my camper hitch weight was only 1913lbs dry. My dealer and I have been discussing this concern and they were able to properly weigh the trailer pin. I still need to visit a CAT scale and weigh my vehicle and trailer now that it’s loaded with propane, batteries, personal gear and water.

My payload math:
2849lbs – max payload listed on my truck’s sticker (occupants and cargo)
350lbs – Occupants
40lbs – Andersen Ultimate 5th wheel hitch (traditional hitches can weigh 250lbs or more)
1913lbs – My OR RF374BH Hitch weight
30lbs – Misc. cargo in truck – food, backpack, stuff in cab.
????lbs – Impact of trailer cargo on hitch weight (loaded camper, 3 propane bottles, batteries, water)

I have about 516lbs of available payload to work with. I assume since both batteries and 3 propane bottles are close to the front I have 250lbs or more added to the pin weight. Basically I’m near the top of what this truck can handle but within the limits.

All these numbers are great, but how does it tow?

I purchased the camper the second week of August in Tampa, FL and have driven 1400+ miles. Fuel consumption averaged around 8MPG. First leg of the trip was up to the Smoky Mountains in NC. I took it slow, averaging 63mph. I’ve never towed a 5th wheel or anything over 13,000lbs so no need to go faster. Highway travel was perfectly fine, truck and camper were stable, stopped well and wind or passing trucks did not bother me. Tackled hills and mountain climbs after entering North Carolina, the steepest being a 6% grade. This is where a gas engine starts to struggle, with the pedal floored the computer manages RPM and gear while maintaining a safe engine and transmission temp. I seemed to maintain 55mph driving like this but I ended up backing off the throttle and slowing to 45 which was much more reasonable. Descending the mountain on a 6% grade seemed to be less effort for the truck, braking and downshifting the transmission worked well. Posted speeds for large trucks was 35MPH, I was able to maintain this with some light braking and 3rd gear. Overall, towing the camper felt fine, I’m looking forward to the next trip and learning more along the way.

I a couple years I can upgrade to a 3500 Diesel SRW but my current truck is getting the job done. If you can manage it, upgrade your truck before buying a larger camper. I've only had my truck for a year and can't upgrade yet.

_________________
Tom & Jenny
2018 Open Range Roamer RF374BHS
2016 Chevy 2500HD Crew Cab 6.0L
Andersen Ultimate 3220 Hitch

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Last edited by DucatiTom on Thu Aug 31, 2017 6:53 pm, edited 3 times in total.

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PostPosted: Thu Aug 31, 2017 12:05 pm 
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DucatiTom wrote:
The automotive and camping industries don't help us out with any easy guides to towing. This forum has been very helpful but there is a lot of guessing and opinions being shared. Here's my attempt at trying to help out. Please work with your dealer and speak with an Open Range rep before buying. You are close to max on hitch weight and tow rating.

I just purchased a 2018 OR RF374BH 5th wheel and am towing it with a Chevy 2500HD Gas Crew Cab. The trailer specs list 12,300lbs unloaded, 2520lbs hitch weight and 16,470 GVWR. My truck's payload rating is 2849lbs, GVWR 9500lbs, max 5th towing 14,000lbs. Right away, I was concerned about exceeding payload. Payload rating can only be increased by either buying a 3500 with a higher rating or upgrading rear leaf springs and replacing tires with ones rated for a larger payload. Then, pay for an inspection to recertify the truck payload rating and apply a new sticker to the door frame.

Luckily my camper hitch weight was only 1913lbs dry. My dealer and I have been discussing this concern and they were able to properly weigh the trailer pin. I still need to visit a CAT scale and weigh my vehicle and trailer now that it’s loaded with propane, batteries, personal gear and water.

My payload math:
2849lbs – max payload listed on my truck’s sticker (occupants and cargo)
350lbs – Occupants
40lbs – Andersen Ultimate 5th wheel hitch (traditional hitches can weigh 250lbs or more)
1913lbs – My OR RF374BH Hitch weight
30lbs – Misc. cargo in truck – food, backpack, stuff in cab.
????lbs – Impact of trailer cargo on hitch weight (loaded camper, 3 propane bottles, batteries, water)

I have about 516lbs of available payload to work with. I assume since both batteries and 3 propane bottles are close to the front I have 250lbs or more added to the pin weight. Basically I’m near the top of what this truck can handle but within the limits.

All these numbers are great, but how does it tow?

I purchased the camper the second week of August in Tampa, FL and have driven 1400+ miles. Fuel consumption averaged around 8MPG. First leg of the trip was up to the Smoky Mountains in NC. I took it slow, averaging 63mpg. I’ve never towed a 5th wheel or anything over 13,000lbs so no need to go faster. Highway travel was perfectly fine, truck and camper were stable, stopped well and wind or passing trucks did not bother me. Tackled hills and mountain climbs after entering North Carolina, the steepest being a 6% grade. This is where a gas engine starts to struggle, with the pedal floored the computer manages RPM and gear while maintaining a safe engine and transmission temp. I seemed to maintain 55mph driving like this but I ended up backing off the throttle and slowing to 45 which was much more reasonable. Descending the mountain on a 6% grade seemed to be less effort for the truck, braking and downshifting the transmission worked well. Posted speeds for large trucks was 35MPH, I was able to maintain this with some light braking and 3rd gear. Overall, towing the camper felt fine, I’m looking forward to the next trip and learning more along the way.

I’m looking forward to the day I can upgrade to a 3500 Diesel SRW but my current truck is getting the job done. If you can manage it, upgrade your truck before buying a larger camper. I've only had my truck for a year and can't upgrade yet.

If that 1913 figure was taken from the brochure, I imagine your initial hitch weight is a 200-300# higher than the 1913.
The only way to know for sure is to go across a CAT scale otherwise it's all guess work.

_________________
07 Duramax w/hips
TPMS,BD3,Kbee Xbrake,Bedsaver,HughesAutoformer
Arvika rack,BakFlip,5500 Onan,RVLock,RVsafepower
RV760,PIsurge,GSR Steps,Titan Disc,Sailun
14'Porta Bote w/8.0hp,Splendide,RVLock


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PostPosted: Thu Aug 31, 2017 12:08 pm 
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I see the dealer determined the 1913 figure by weighing the rig, in which case a trip across the scale is still needed to give you a an accurate base weight of your combo.
All RV owners should have a CAT scale ticket with their weights.

_________________
07 Duramax w/hips
TPMS,BD3,Kbee Xbrake,Bedsaver,HughesAutoformer
Arvika rack,BakFlip,5500 Onan,RVLock,RVsafepower
RV760,PIsurge,GSR Steps,Titan Disc,Sailun
14'Porta Bote w/8.0hp,Splendide,RVLock


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PostPosted: Sat Sep 02, 2017 9:11 am 
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I pulled these specs from GMC website. For those of you who suggested that the 5th wheel towing is much larger.....I am I missing something? Thanks


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PostPosted: Sat Sep 02, 2017 11:10 am 
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Something there seems off. I haven't looked into to it much but I was thinking the '17 was supposed to have that number increased from my '11 due to the new engine. That chart is telling me that the 6.0 can pull more trailer. The rear end gear can't make up for the diesel power that much, I call BS. There are half ton gassers that are encroaching on 14,000.

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Paul, Tricia, Calvin 13 and Cara 9.
Gauge the Yellow Lab 16 (still loves camping)

2013 LF305BHS
2011 Chevy 2500HD Crew LTZ DMax


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