Hauling Water in Kodiak Ultra Lite - Dutchmen Owners

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Old 07-27-2019, 05:28 AM   #1
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Hauling Water in Kodiak Ultra Lite

Having read here about the somewhat questionable support that some of the tanks have in the Kodiak line, I have avoided carrying freshwater in my rig when towing it. I take some water in five gallon jugs in my truck to add when on site and add the rest later.

Gray water gets drained into a wheeled cart and dumped in the campground wastewater disposal before we travel again. We try not to use the toilet too much when not on a hookup to avoid having too much in the black water tank when towing.

Wondering if I am being overly cautious, or if my precautions are wise ones?

Along those same lines, have any of you removed the under panel and added additional supports to improve the structural soundness of the various tanks in order to be more comfortable traveling with the extra weight? And if so, how did it work out?
Thanks,
RH
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Old 07-27-2019, 04:43 PM   #2
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We have an almost 2 year old 243 Ultra Light.
I removed the undercover from the very back. Exposing the gray and black water tank on another project.



It looked fairly well done. I could not see the fresh water tank. It is the biggest tank.



I refrain from carrying anything in my tanks unless necessary. But that is to keep the towing weight down to a minimum. A full fresh water tank would weigh 325 lbs.


Good Luck
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Old 07-28-2019, 12:04 AM   #3
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I have a Kodiak Cub 175bh, and travel with some water (try not to have too much because of weight) but it’s necessary sometimes. We’ve also had grey and black tanks near full, tho we try to dump before traveling too far. I really don’t think you need to transport the water in a separate tank to dump if you’re gonna drive out anyway. You’d be going slow on a camp road...

Cub is a year old and we’re on a 3-4 week trip currently without issues
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Old 07-28-2019, 02:01 PM   #4
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2018 Kodiak Cub

I have a 2018 Kodiak Cub. I think you are being overly cautious. Towing from camp site a short distance to dump at 20 mph will not cause problems with your gray and black tank. It will also not have any towing weight issues. You may end up with plugged waste tanks if you do not get good flushing when you dump. Dump sites usually have plenty of water for flushing out solids.

Towing hundreds of mile with 40 gal fresh tank full may or may not be an issue. I do it, but that does not mean I will not have problems later. It is your call.

I have rebalanced to reduce tongue load by moving some weight to rear. Tongue weight was over 900#. Now it is about 750# with a loaded weight including water and gear of 4100#.

My dealer had occasion to remove the bottom cover. I looked at tank mounting at that time and did not see any obvious mounting issues on my unit.
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Old 07-28-2019, 03:49 PM   #5
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Thanks for your replies guys.

Hauling from my site to the parkís dump site isnít a concern - hopefully any rig can handle that. My concern is when we are in one of the many National Forest CGs we have here which may be a hundred or more miles from the nearest dump site. Again, emptying the gray water is easy enough, but I donít want to mess with the black for obvious reasons. The freshwater was more of my concern because of itís size. Not an issue when going home of course but heading up to a CG where all they have are hand pumps and you have to haul any water to your rig to fill it can be a pain.

Glad to hear those of you who have had a chance to check out your tanks were satisfied with their supports.

On a side note, the brochures that I got when shopping for our trailer said the 2017 Kodiak 201QB had a 52 gallon freshwater tank. Mine fills to 30 and then starts to spill out of the fill port. Hmmm...
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Old 07-28-2019, 04:12 PM   #6
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Trustworthy specifications published by TT manufactures are rare. One issue is, some Mfg include the water in the water heater as part of the fresh capacity. That could account for 6 gallons. Of course you can not access the heater water using normal taps. You would have to drain the tank into a container to have access to it.

You could measure the "full" capacity by running the fresh tank low point drain into a 5 gallon bucket. Repeat until empty.

Next empty the full tank using the 12 volt pump. The difference is how close the siphon tube is to the bottom of the tank.

Also, investigate the fresh tank vent. A kinked or blocked vent tube may leave an air bubble in the top of the tank.
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Old 07-28-2019, 05:19 PM   #7
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Quote:
Originally Posted by persistent View Post
Trustworthy specifications published by TT manufactures are rare. One issue is, some Mfg include the water in the water heater as part of the fresh capacity. That could account for 6 gallons. Of course you can not access the heater water using normal taps. You would have to drain the tank into a container to have access to it.

You could measure the "full" capacity by running the fresh tank low point drain into a 5 gallon bucket. Repeat until empty.

Next empty the full tank using the 12 volt pump. The difference is how close the siphon tube is to the bottom of the tank.

Also, investigate the fresh tank vent. A kinked or blocked vent tube may leave an air bubble in the top of the tank.
Interesting about the vent tube. Will have to check that out as a possible issue. It it accessible at all, and if so, where would I check for it?

I checked to see that I had water draining out of the hot water line under the trailer so I assumed the tank was also full. The actual volume of the tank really isn’t a huge deal - I was just curious about the discrepancy between the specs and my experience.
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Old 07-28-2019, 05:36 PM   #8
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Interesting about the vent tube. Will have to check that out as a possible issue. It it accessible at all, and if so, where would I check for it?
... .
The fresh tank fill and vent are next to one another. The vent is a small tube usually with a screen over it in the same plastic piece as the fill.

You may be able to see the tube from inside the TT behind a panel where other plumbing comes through the floor. Mine is under the shower pan.
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Old 07-28-2019, 10:15 PM   #9
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Our fill and vent is under the sink. So easy to get to.
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Old 08-04-2019, 03:45 PM   #10
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Hello I just wrote you a lengthy reply to fresh water tanks but it went missing. I have a 2017 Kodiak 201QB and the F/W tank fell out onto the axel, Poor Poor design and work. If you would like to know more let me know and I will see how I can get you the information. PS you are not being too cautious until you see just how they supported the tanks in your own trailer
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