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Old 12-20-2017, 06:27 PM   #1
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Do you tow full of water?

I have a 2016 Jayco Eagle HT 29.5 BHDS. I was wondering if any of you tow with your fresh water tank full. Does it tow better, no difference or tow bad? I have read some tow with a full tank. I was wondering what everyone else does.
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Old 12-20-2017, 06:40 PM   #2
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No. Too costly on the fuel bill especially through the mountains.

Typically about 1/4 full for immediate needs and to prevent the seals from drying out.
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Old 12-20-2017, 07:12 PM   #3
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Yes. We virtually always tow with ~80gal of fresh water with no problems. The few times we didn't have full tanks, I didn't notice any difference.
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Old 12-20-2017, 07:41 PM   #4
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My 75 gallon fresh water tank is always filled. We dry camping almost 100%.
We even have times where we haul with waste water too and dump at another place.
What good is a self contained RV if you can't haul fresh water and/or waste water????


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Old 12-20-2017, 08:14 PM   #5
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I tow full (80 gals) often. I have documented about a 1 mike per gallon penalty in hilly terrain. I definitely notice a difference when stopping and starting. Otherwise I don’t perceive a big difference.
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Old 12-20-2017, 08:22 PM   #6
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We only haul enough to handle restroom stops along the way, probably about 1/4 full. I can't tell a difference on when it has a 1/4 tank or empty from how it feels towing. Generally I try to avoid any unnecessary weight.
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Old 12-20-2017, 08:27 PM   #7
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Always tow with full fresh water and empty gray and black.
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Old 12-20-2017, 08:35 PM   #8
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Quote:
Originally Posted by B5 GTX View Post
We only haul enough to handle restroom stops along the way, probably about 1/4 full. I can't tell a difference on when it has a 1/4 tank or empty from how it feels towing. Generally I try to avoid any unnecessary weight.
No reason to haul more than maybe 1/4 tank full. We stay at FHU parks almost exclusively. Unless your not going far, and going to boondock I don't see any advantage in putting extra strain on the tank and straps holding it, while bouncing down the highway.
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Old 12-20-2017, 09:01 PM   #9
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This is a question that comes up here now and then. There's the fill the tanks crowd, and there's the carry the minimum crowd, and each side seems to be adamant about their choice.

We tow a 26BH, and we're members of the carry the minimum crowd. It's certainly more hassle to carry a minimum amount, as you need to plan a fill-up prior to your overnight stay, particularly if you're boon docking. Our basic philosophy is to reduce weight whenever possible.

Others like the convenience of having full tanks all the time, and typically argue that they suffer little or no increase in MPG or loss of performance.

If your tow vehicle can handle it, I suppose the best answer is whatever works best for you.
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Old 12-20-2017, 09:03 PM   #10
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If we are planning to dry camp, which we do about 3/4 of the time, we fill the tanks. If we know we will have access to water when we arrive, we will put in about 1/4 full for necessities.
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