Propane units work fine but there are some issues to be aware.They are not nearly as common as gas or diesel. Propane and nat. gas powered engines produce less power than gasoline so the generators will have a lower max output rating than the same unit run on gasoline. I have seen some engines in my shop with much more valve train wear if run on propane. There are 2 types of fuel delivery setups. Liquid withrawal and Vapor. Vapor is more common. If you get your motorhome propane tank filled to high, your generator might not run. It can't get vapor as the liquid level is too high. You then have to bleed off some propane to get the level low enough for the generator supply line to get vapor. Another one I've run across at least twice.....Propane units have a low pressure demand regulator that needs to be vented. If any type of bug decides to nest in your vent, your generator won't run....no fuel supply. This stuff is usually mounted low in the motorhome so you never see it and it is inviting to the bugs. Mice also love generators and they can do a lot of damage. If I had a choice it would be diesel then gasoline and last would be propane.
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