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04-23-2019, 03:46 AM
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#1
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Junior Member
Brand: Thor Motor Coach
Model: Quantum 26 ft.
State: Florida
Posts: 28
THOR #7835
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Calculating weight for towing toad
I am just curious why when calculating how much weight your toad can be you use the GVWR of your unit, subtract actual weight of the coach fully loaded and that gives you the max weight your towed vehicle can weigh. It's as if you have stacked your toad on top of your coach for the combined weight. I am not doing that, I am pulling the toad weight fully supported by it's own chassis. Why wouldn't I just add the tongue weight to the actual fully loaded coach for the combined weight?
GVWR = 14,500# minus 12,800# actual weight of loaded coach, remainder 1700#. Why not 12,800 plus the tongue weight i., total 13,000# i.e. 200# ?
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04-23-2019, 10:35 AM
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#2
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Senior Member
Brand: Thor Motor Coach
Model: Chateau 35SF
State: Missouri
Posts: 738
THOR #2020
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You should actually use the GCVWR (Gross Combined Vehicle Weight Rating. Plus’s you also have to look at the rating of the hitch, tow bar and baseplate.
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04-23-2019, 11:03 AM
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#3
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Axis/Vegas Enthusiast
Brand: Thor Motor Coach
Model: Axis 24.4
State: Michigan
Posts: 9,837
THOR #1150
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GVWR minus coach weight is really just max tongue weight (up to the tongue weight of the hitch which is usually around 500 lbs).
Like what pstandiford said: GCWR minus coach weight is how much you can tow.
When towing a car you can pretty much neglect tongue weight (especially 4 down) as its very tiny.
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04-23-2019, 11:03 AM
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#4
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Senior Member
Brand: Thor Motor Coach
State: Georgia
Posts: 2,585
THOR #4735
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it's not just a vertical calculation, as to stresses and weight on the chassis, but also a horizontal one...just as if you were 'pulling' someone up the side of a mountain - your arms will be stressed, your back will be stressed, and your legs may quickly give out...
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the Turners...
two Campers, two Electric cars
former diesel pusher traveler
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04-23-2019, 11:45 AM
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#5
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Member
Brand: Thor Motor Coach
Model: Vegas 24.1
State: Florida
Posts: 70
THOR #14807
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There are many good, informative YouTube videos on how to correctly configure & calculate vehicle towing capacities for just about any common vehicles, including motor coaches.
I'm sure your questions can be better answered there.
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Latest rig: 2019 Vegas 24.1
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04-23-2019, 01:35 PM
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#6
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Junior Member
Brand: Thor Motor Coach
Model: Quantum 26 ft.
State: Florida
Posts: 28
THOR #7835
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calculating weight for towing toad
Where do I get the GCVR? It's not on my door tag. So I should use the GCVR minus the weighed coach and that would give me the max for the toad?
I have been on this forum for about 3 years. I have seen a wealth of information free of charge. All RV'ers should take advantage of the years of experience here. I really appreciate this forum.
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04-23-2019, 01:49 PM
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#7
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Senior Member
Brand: Thor Motor Coach
Model: Chateau 35SF
State: Missouri
Posts: 738
THOR #2020
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If it is not on door post than check the owners manual for the chassis. GCWR is determined by the chassis manufacturer and should be in the manual.
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04-23-2019, 01:52 PM
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#8
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Member
Brand: Thor Motor Coach
Model: Freedom Elite 31L
State: Georgia
Posts: 63
THOR #4938
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I just emailed the customer service and they sent me a copy that had all that information for my RV just give them the Vin number and they’ll be able to look it up for you
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04-23-2019, 02:30 PM
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#9
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Axis/Vegas Enthusiast
Brand: Thor Motor Coach
Model: Axis 24.4
State: Michigan
Posts: 9,837
THOR #1150
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GCWR is also listed right on Thor's Specs web page:
https://www.thormotorcoach.com/quantum/specs/
Which model do you have? (Your GCWR is either 18,500 lbs or 22,000 lbs--for the Ford chassis and 16,000 lbs or 20,000 lbs for the Chevy chassis.)
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04-23-2019, 03:13 PM
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#10
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Junior Member
Brand: Thor Motor Coach
Model: Quantum 26 ft.
State: Florida
Posts: 28
THOR #7835
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calculating weight for towing toad
Here are my specs:
2017 Thor Quantum Rs 26. Ford E450 chassis with V10 engine.
Hitch rated for 8,000 lbs. with 500 lb tongue weight.
GVWR = 14,500 lb,
coach weighed at truck weigh in on I/95 Palm Coast, Fl. fully loaded= 12,800 lb.
GAWR= front 5000 lb and rear 9,000 lb.
Possible toad weight 3,325 to 3,650 lb, 2019 Chevy Equinox.
Don't know GCWR yet.
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04-23-2019, 03:31 PM
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#11
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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Since your Toad will weigh less than 4,000 pounds: my guess is that you'll be well within the limitations of the GCWR
My Outlaw (on the same chassis and similar weights) had a GCWR of 22,000 pounds.
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"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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04-23-2019, 03:34 PM
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#12
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,382
THOR #7035
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Yep, your GCWR is 22,000 lbs on the 450 chassis.
__________________
Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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04-23-2019, 03:41 PM
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#13
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Senior Member
Brand: Still Looking
State: Texas
Posts: 6,187
THOR #2121
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Quote:
Originally Posted by Justcurious
Here are my specs:
2017 Thor Quantum Rs 26. Ford E450 chassis with V10 engine.
Hitch rated for 8,000 lbs. with 500 lb tongue weight.
GVWR = 14,500 lb,
coach weighed at truck weigh in on I/95 Palm Coast, Fl. fully loaded= 12,800 lb.
GAWR= front 5000 lb and rear 9,000 lb.
Possible toad weight 3,325 to 3,650 lb, 2019 Chevy Equinox.
Don't know GCWR yet.
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Double check your rear — it should be 9,600 pounds.
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04-23-2019, 03:56 PM
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#14
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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9600 pounds is correct...
Did you know that they are intentionally down-rated by the manufacturer by 500 pounds?
(I found this out when I was looking for ways to beef it up...
__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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04-23-2019, 08:51 PM
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#15
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Senior Member
Brand: Still Looking
State: Texas
Posts: 6,187
THOR #2121
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Quote:
Originally Posted by Bob Denman
9600 pounds is correct...
Did you know that they are intentionally down-rated by the manufacturer by 500 pounds?
(I found this out when I was looking for ways to beef it up...
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Ford specifications state/list 9,600 pounds for E-450 rear axle and that’s good enough for me. Besides, the factory tires are not rated much above that, so not much room to overload. Key is to purchase a motorhome with ample Cargo Carrying Capacity.
For what it’s worth, sometimes Ford Specs show an axle capacity that is much higher than the GAWR, particularly for the rear. All that means is that Ford limits chassis load to that axle much lower for other reasons. An example is the SRW (single rear wheel) E-350 Cutaway. Its rear axle is limited to 6,084 pounds by the tires, but the rear axle is either 7,800 or 8,500 pounds.
With heavier-duty wheels and tires, there is a great opportunity for Ford to market a SRW E-350 Cutaway with GVWR in the 11,000- to 12,000-pound range. I would personally like that better than duallies in that size/weight range.
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04-23-2019, 10:09 PM
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#16
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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I agree: that's what Ford says to you and me...
But their in-house paperwork reads as "10,100".
No doubt: they did that to build some "give" into real-World practices...
__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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04-23-2019, 10:16 PM
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#17
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Member
Brand: Thor Motor Coach
Model: Vegas 24.1
State: Florida
Posts: 70
THOR #14807
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The only opinions that really matter are those of law enforcement & the insurance company that covers the equipment.
Those are the two that can impact your finances.
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Latest rig: 2019 Vegas 24.1
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04-23-2019, 10:41 PM
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#18
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I Think We're Lost!
Brand: Still Looking
Model: Tiffin Wayfarer 24 BW
State: New York
Posts: 22,195
THOR #8860
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Being in the Insurance Business for 40 years: they don't even know what questions to ask...
A claims rep. never takes the time to ask if you were properly loaded or not...
Law Enforcement Officers won't care either: as long as it's not glaringly obvious...
(Like the time my Dad was taking a Backhoe up to our hunting camp... in a one-ton Dump!
(2700 pounds overweight!)
__________________
"What: me worry?"
Good Sam Member 843599689
Current coach: Tiffin Wayfarer 24 BW
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04-24-2019, 01:48 AM
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#19
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Member
Brand: Thor Motor Coach
Model: Vegas 24.1
State: Florida
Posts: 70
THOR #14807
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Quote:
Originally Posted by Bob Denman
Being in the Insurance Business for 40 years: they don't even know what questions to ask...
A claims rep. never takes the time to ask if you were properly loaded or not...
Law Enforcement Officers won't care either: as long as it's not glaringly obvious...
(Like the time my Dad was taking a Backhoe up to our hunting camp... in a one-ton Dump!
(2700 pounds overweight!)
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I'm sure the flunky writing the policy doesn't know or care.....and I'm equally certain the boys in blue cruising the highways don't give a rats butt about your unsafe & illegal load.........until you have a wreck & you find yourself arrested & charged for vehicular homicide or grave injuries and the Plantiff's attorney seeks & discovers the weights you're hauling & lawyers for your insurance company put that magnifying glass over the small print that your policy writer didn't have the notion to show you and you then discover that driving with an overloaded vehicle is grounds for making your policy null & void.
But what do you care. You're out pulling anything you want, throwing caution to wind, putting yourself & everyone around you in jeopardy.
__________________
Latest rig: 2019 Vegas 24.1
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04-24-2019, 02:10 AM
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#20
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Site Team
Brand: Thor Motor Coach
Model: ACE 27.1
State: Florida
Posts: 14,382
THOR #7035
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Quote:
Originally Posted by Thor-Machine
you then discover that driving with an overloaded vehicle is grounds for making your policy null & void.
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Show me that in any written policy. You know insurance covers you even when you do stupid things? The only time you are not covered is when you purposely do something to damage the insured item to collect from and defraud the insurance company.
__________________
Ted & Melinda
2016 ACE 27.1
2016 Chevy Sonic Toad - Selling
2020 Chevy Colorado Z71 Trail Runner Toad
2024 Chevrolet Trax 2RS - Soon 2B TOAD
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