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05-04-2019, 03:39 PM
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#1
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Montana Fan
Join Date: Mar 2019
Location: Chino Valley
Posts: 226
M.O.C. #23720
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Propane ?????
2014 3150RL, it currently has 2- 7 gallon or 30# tanks, has anybody changed those out for 10 gallon or 40#??? Looks like they would fit. Our rig has a genset, and the propane doesn't last long.
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Steven & Denise
New to us 2014 3150RL
Chino Valley, AZ
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05-04-2019, 06:50 PM
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#2
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Montana Master
Join Date: Dec 2009
Location: Sebring
Posts: 3,659
M.O.C. #9969
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I put the bigger tanks in our 2955RL, I just moved the band that holds them in place so it closer to centered on the larger tanks. Depending on your propane pig tails, you might need to replace with slightly longer ones.
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Michelle & Ann
2018 Chevy 3500HD High Country DRW 4X4 Crew Cab w/Duramax/Allison, Formally 2010 Montana 2955RL, Now Loaded 2016 SOB, Mor/ryde IS, Disc Brakes & Pin Box, Comfort Ride Hitch, Sailun 17.5 Tires.
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05-09-2019, 11:16 PM
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#3
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Montana Master
Join Date: May 2017
Location: new caney
Posts: 1,050
M.O.C. #19873
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30 and 40# propane tanks are the same diameter. The 40# tank is taller but should fit. You may have to raise your regulator but it is connected with self tapping bolts that you can reuse. Pig tails will probably fit but as said may have to get longer ones.With about 2.5 more gallons of propane in each 40# bottle it is well worth it if dry camping and camping a lot in cold weather.
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05-10-2019, 07:39 AM
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#4
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Montana Master
Join Date: Sep 2014
Location: Full Timer In Naples, Florida
Posts: 1,049
M.O.C. #15731
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My understanding if you ended up with the genset option you got the 40LB tanks. Is that correct? or at least it was on my model and year.
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2017, 3500 Ram Big Horn, 4x4, Crew Cab, DRW, Aisin Transmission, 4:10. Curt Q20, 2014 Mountaineer 331 RLT, Sailun's on the rv and truck.
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05-10-2019, 07:48 AM
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#5
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Montana Master
Join Date: Nov 2015
Location: Arlington
Posts: 1,522
M.O.C. #18081
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It was a drop in replacement for us..
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SOB
2015 Volvo VNL780 D13, iShift, 32k ET air hitch, Idle Free LiFePO4 APU
16.8KWhr LiFePO4, 2.52 kw solar, 10kva Victron split phase
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05-10-2019, 08:13 AM
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#6
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Montana Fan
Join Date: Mar 2019
Location: Chino Valley
Posts: 226
M.O.C. #23720
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Thanx all, our new to us 2014 3150RL has a brand new onan 5.5 propane in it, and according to our first trip and reading the usage isn't good. so an extra #20 propane would be huge. I'll probably add solar too. Most of the genset running our first trip was simply TV, etc and battery charging.When they're empty, they'll get replaced.
__________________
Steven & Denise
New to us 2014 3150RL
Chino Valley, AZ
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05-10-2019, 08:48 AM
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#7
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Montana Master
Join Date: Aug 2018
Location: Minden - NV
Posts: 501
M.O.C. #22360
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A 30# tank will last about 7-8 hours with the 5500W Onan.
I'm looking at getting 40# tanks. The dealer wouldn't upgrade the before I took delivery.
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2013 F350 Lariat Ultimate CC LB
2019 3790RD
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05-10-2019, 09:27 AM
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#8
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Montana Fan
Join Date: Mar 2019
Location: Chino Valley
Posts: 226
M.O.C. #23720
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That's about right. Our first trip, we ran the genset for about 6 hours, refrigerator 3 days, furnace 1 nite, HW 1 time. And we used about 6.5 gallons!!.At this point, just trying to get an accurate idea of HOW long we could last boon docking!!
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Steven & Denise
New to us 2014 3150RL
Chino Valley, AZ
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05-10-2019, 09:34 AM
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#9
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Montana Master
Join Date: Aug 2018
Location: Minden - NV
Posts: 501
M.O.C. #22360
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Last month, we went out for 9 days in the beast and only added water and still had most of a 30# propane tank remaining. Solar, batteries and an inverter stretches the propane. The heater ran two nights a few times, we probably put 3-4 hours on the generator and the rest of gas usage was cooking, water heater and the refer.
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2013 F350 Lariat Ultimate CC LB
2019 3790RD
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