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Old 07-05-2013, 07:53 AM   #1
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Towing with or without water

Ok I have been towing trailers for over 20 years and I alway hear that you should tow with no water,I have towed both ways and I don't see any difference .My current trailer has two 40gal fresh water tanks just behind the rear axle on passenger side.Dose anyone here see a difference with there set up?

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Old 07-05-2013, 07:59 AM   #2
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I usually have about 20 gallons in the fresh water tank at all times. Just in case I need it before arriving at a final destination. If I happen to be going where there are no hookups I will carry about 60 gallons. I really like the water that is at my home. I do not want to fill water from a dump station or a gas station.

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Old 07-05-2013, 08:29 AM   #3
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Just last week I towed with and without And found that my trailer towed nicer and more stable with water and a full load of water is 384lbs I can imagine it would cost me more for fuel really..... In 3 weeks I'm taking a 1900km road trip from Canada into Minnesota and will be hauling with at least 1/2tank of Waterford using the toilet and sinks....
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Old 07-05-2013, 08:56 AM   #4
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If you are below your max weight it does not really matter. HOWEVER if the tank is partially full and you have to make an emergency maneuver the water sloshing around in your tank could help you loose control. I have towed over 8000 miles already this year and found that tanks full or empty makes no difference in mileage ON THE HIGHWAY. It does affect your intown mileage tho.
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Old 07-05-2013, 03:07 PM   #5
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Just curious if tank is back of axle does it take weight off the 5er pin?
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Old 07-05-2013, 03:11 PM   #6
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I pull with full water tanks most the time, I usually camp without hookups, so more is better. My full load of water is estimated at 747 pounds.

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Old 07-05-2013, 03:27 PM   #7
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We tow our TT with 3/4 full water tank (30 gallons) because we have a rainwater collection system at home, and have found the RW to be much better than the water you might find elsewhere while traveling. (Well water in our area is always over 100+ grains hardness, and laden with minerals, none of them taste very good. I knew life was in fact good in 1996 when we began using rainwater!)

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Old 07-06-2013, 04:45 PM   #8
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Usually try to have about 1/3 rd of a tank, just to use on the way to the campground if necessary. Even at home for emergency perpardness some water in your rv tank can help with that.
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Old 07-06-2013, 10:51 PM   #9
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It sounds like you and me are in the same boat. I have a Jayflight 26BH that I'm towing with a half-ton pick-up much like yourself. Most likely our two rigs have the same size fresh water tank (42gal) and most likely our trucks have the same tow rating (8900lbs). Not to discount the advice of the other guys on here but I see that they all have 3/4 ton or larger trucks which makes a HUGE difference. You and I are trying to cut weight wherever possible.

In my own experience with my trailer it makes a huge difference towing full or empty. A full water tank adds 400lbs to my trailer and that's not static weight. I notice it accelerating, braking, when it's windy, and on the twisty mountain roads. I much prefer to tow empty but never bone dry. You always want a little in there "just in case" but I would suggest no more than 5gal.

I know not all campgrounds have the best water but my solution is to buy a water filter. It's a cheap purchase and always makes the water taste better.

Hopefully this helps.
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Old 07-07-2013, 08:18 AM   #10
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I tow with full tanks, same twin 40 gal tanks you have however mine are just in front of the axles. If I'm taking water I prefer to have the tanks all the way full, I don't want a slack tank.

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