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Old 08-19-2019, 02:57 AM   #41
Senior Member
Hooligan2's Avatar
Brand: Thor Motor Coach
Model: 2016 Siesta Sprinter 24ST
State: Florida
Posts: 427
THOR #2812
Thor Siesta, Citation etc Motorhomes on Sprinter chassis have a 20 gallon (85.2#)propane tank. They can only be filled to 80% of capacity or 68 pounds. (Overfill Protection) My propane generator uses about 2 pounds per hour, at half load (AC, Fridge, Inverter) or up to 3 GPH at full load (add microwave)

A 35000 btu furnace burns about 1.6 lbs/hour in actual operation. Even at 20 degrees my furnace is off considerably longer than it is on. Overall furnace propane consumption is very low.

U.S. Coast Guard retired- 1956-1985
Pensacola, Florida
2016 Siesta 24ST
1972 Moto Guzzi Eldorado
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Old 08-19-2019, 04:17 PM   #42
Junior Member
Brand: Thor Motor Coach
Model: Four Winds 24HL
State: Georgia
Posts: 27
THOR #11024
Propane vs Diesel Gen

I was going to upgrade to the diesel but got such a good deal on a Four Winds on the MBS with a propane gen I sucked it up and went propane.

Glad I did.. we don't boondock often having so we need it for occasional use. The issue I have with the MBS is the smallish fuel tank, 26 gal. I'm now convinced (after 1 year and 13k miles) is there is little hassle in refilling the propane and knowing I'm not sharing what little diesel we have between the MBS and the generator. We have never had the need to run the gen more than 3 hours at a pop, admittedly the real answer is how are you are going camp.

Ed and Ann in Marietta

2018 Four Winds 24 HL Sprinter Chassis
Cats = 2 (Max and Nellie) + Dog (Fiona) = Happy family.
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Old 08-19-2019, 07:08 PM   #43
Junior Member
Brand: Thor Motor Coach
Model: ACE 30.1
State: New York
Posts: 8
THOR #3007
In case no one has already mentioned this, you can get an Extend-a-stay valve to put inline with your internal propane tank to allow you to use 20# tanks, which many of us carry for our BBQs, to "extend a stay"
Saved me from moving last winter just to fill my propane...
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Old 03-24-2020, 01:41 PM   #44
Junior Member
State: Alabama
Posts: 8
THOR #18392
The AGS feature on the Firefly Multiplex System does not work with the 3.2kw diesel generator. I can provide technical background if anyone is interested.
Originally Posted by JosephC View Post
I am planning to purchase a diesel Sprinter which comes standard with the LPG-fueled generator. The diesel generator is an option and at a cost of a few thousand dollars (perhaps 3-4 thousand). Currently, I have a diesel generator in my Synergy which is fine. Sometimes the diesel gas emission can be strong especially when initially starting, but I have no other complaints. Does anyone have any input on the pros and cons of each, especially anyone who has actual experience in using both? Thank you for your help!

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