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Old 01-15-2014, 02:16 AM   #1
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Questions about Weight from Newbie

I have a Forest River popup and Im new at this so trying to figure out how much weight I can carry on the RV based on the GVWR and the GAWR and some of the numbers dont seem to match so I think I have something wrong.

I know that GVWR is Gross vehicle Weight max permissible wt fully loaded and GAWR is Gross Axil weight including cargo safely supported by each axil.

Ok, so my GVWR is 3063 lbs. Dry weight is 2431 lbs and weight of cargo should not exceed 615 lbs. (this is what the stickers say on the side of the trailer) SO that Totals to 3046 lbs But my GVWR says 3063 lbs which is 17lbs difference.. ok thats not bad but it's strange if they go to the trouble of putting the numbers down you'd think that it would equal out. Anyway, that's not my full question:

When I added water (if I carry it) 167 lbs, 2 LP tanks (@ 20lbs each) 40lbs, Battery 41lbs = Total 248 lbs I'll call these "necessities".

So adding the 248 lbs for these "necessities", + Dry weight of the RV 2431 lbs = Total 2,679 lbs
Then if I subtract this amount from the GVWR 3063- 2,679 = 384 lbs (which is the poundage that I have left that I can carry for supplies on the RV?? such as pots, electric cables, other items? Sounds like a lot of poundage but I know it can add up fast having been backpacking a lot. So does this sound right? Ok that was my first real question.

My second question then is the GAWR which is the amount of weight that can go on an Axil which is also stated on a sticker on the trailer. Ok since there is only one axil (2 wheels) .. is it one axil then that holds 2 wheels? If so then here comes the confusing part for me.

My GAWR is 2,750 lbs. If I take that number 2,750 and subtract the RV Dry weight - 2,431 = 310 lbs left for cargo etc, but I still have to subtract the "necessities" that I talked about (water, 2 LP tanks, battery = 248lbs) So 310 lbs - 258 lbs = 52 lbs for all the extra gear. THAT doesnt make sense based on the figures I did on the GVWR? I dont get how these numbers could be so different, when I figure out how much cargo poundage I can have figuring the GVWR and then figuring form the GAWR.

I would like to know how many pounds is safe to carry on the RV after I have the water, LP tanks, battery. Thanks
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Old 01-15-2014, 05:27 AM   #2
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For second question, you have to substract the weight that is carried by the hitch. So if the hitch pin weight is 300 lbs, then that 300 lbs is not carried by the axle fo the trailer but is transfered to the axle of your towing vehicle.
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Old 01-15-2014, 09:33 AM   #3
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Originally Posted by Packncycle View Post
Ok, so my GVWR is 3063 lbs. Dry weight is 2431 lbs and weight of cargo should not exceed 615 lbs. (this is what the stickers say on the side of the trailer) SO that Totals to 3046 lbs But my GVWR says 3063 lbs which is 17lbs difference.. ok thats not bad but it's strange if they go to the trouble of putting the numbers down you'd think that it would equal out. Anyway, that's not my full question:

When I added water (if I carry it) 167 lbs, 2 LP tanks (@ 20lbs each) 40lbs, Battery 41lbs = Total 248 lbs I'll call these "necessities".

So adding the 248 lbs for these "necessities", + Dry weight of the RV 2431 lbs = Total 2,679 lbs
Then if I subtract this amount from the GVWR 3063- 2,679 = 384 lbs (which is the poundage that I have left that I can carry for supplies on the RV?? such as pots, electric cables, other items? Sounds like a lot of poundage but I know it can add up fast having been backpacking a lot. So does this sound right? Ok that was my first real question.
Since the weight came off of the yellow sticker on the side of the camper, it theoretically already includes the weight of a battery and propane (in your case, likely just a single propane tank). Which means, some of your necessity numbers change.

The very best thing that you can do is take your pop-up to get weighed at a scale. Weigh the tow vehicle (aka truck/suv) + pop-up together and then go park the pop-up and just weigh the tow vehicle.

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My second question then is the GAWR which is the amount of weight that can go on an Axil which is also stated on a sticker on the trailer. Ok since there is only one axil (2 wheels) .. is it one axil then that holds 2 wheels? If so then here comes the confusing part for me.

My GAWR is 2,750 lbs. If I take that number 2,750 and subtract the RV Dry weight - 2,431 = 310 lbs left for cargo etc, but I still have to subtract the "necessities" that I talked about (water, 2 LP tanks, battery = 248lbs) So 310 lbs - 258 lbs = 52 lbs for all the extra gear. THAT doesnt make sense based on the figures I did on the GVWR? I dont get how these numbers could be so different, when I figure out how much cargo poundage I can have figuring the GVWR and then figuring form the GAWR.
You have 1 axle. As was previously mentioned- the axle doesn't carry all of the camper's weight. Part of the weight is carried by the tongue/hitch (usually 10%-15% of the overall actual weight). That's why your GVWR can be higher than your axle weight (and, in fact, the GVWR is usually the GAWR + the weight carried by the tongue).

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I would like to know how many pounds is safe to carry on the RV after I have the water, LP tanks, battery. Thanks
Go get weighed. Anything else is guessing. Weighing is cheap ($10-$15 at a truck stop). And there are a lot of places to get weighed if you aren't near highways.
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Old 01-15-2014, 01:32 PM   #4
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yellow sticker weight does NOT include the weight of the battery, since is a dealer-installed item and not installed at the factory.
this is the case for towables, not sure about motorhomes.
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Old 01-15-2014, 01:49 PM   #5
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yellow sticker weight does NOT include the weight of the battery, since is a dealer-installed item and not installed at the factory.
this is the case for towables, not sure about motorhomes.
How does the emergency brake work from the factory to the dealer if there is no battery onboard the trailer?
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Old 01-15-2014, 01:52 PM   #6
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How does the emergency brake work from the factory to the dealer if there is no battery onboard the trailer?
Trucking company uses there own battery factory to dealer.

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Old 01-15-2014, 02:04 PM   #7
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Trucking company uses there own battery factory to dealer.

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TOWTA and I saw a trucker bring a 40' TH into Tom Johnsons in Concord, he walked into the dealer, two guys came out with him, inspected the unit. Driver signed the papers, unhooked and drove off. He sure didn't take any battery with him. Whole process took about an hour as we were talking to him about his 2013 1T DW Duramax being so quiet, etc. Maybe he just donated his battery to TJ.
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Old 01-15-2014, 02:09 PM   #8
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Trucking company uses there own battery factory to dealer.

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that's what i was told by my dealer. plus, some trailers, especially popups, are carried on a trailer with other popups.
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Old 01-15-2014, 02:28 PM   #9
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How does the emergency brake work from the factory to the dealer if there is no battery onboard the trailer?
From one 'ol Quality guy to another; Do you suppose they just do a sample test/inspection based upon a known A.Q.L.? And if they do, I think they would be taking a critical item too much for granted. I hope, since the battery is dealer installed item, that they have a portable power supply that they move from unit to unit and test each one.
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Old 01-15-2014, 02:38 PM   #10
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I drove for a delivery service several years ago and the guys that towed the TT and 5ers had to provide their own batteries.
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