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Old 08-10-2018, 11:33 AM   #1
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Propane powered bus - leave propane or convert to diesel?

I'm looking at buying a bus that is currently powered by propane. Owner says it would be relatively inexpensive to convert to diesel but that I can find propane fill stations across the country.

We currently live in a motorhome and travel full-time. We mostly dry camp in BLM or NFS areas and rarely go to "big" cities.

I've been researching but not finding a lot of information. Are propane fill stations very readily available? Can most large propane companies (thinking something like Amerigas, etc.) fill the tanks? Is it better to convert to diesel?

If better to convert to diesel, does anyone have a link on what needs to be done to do the conversion and a guess as to how much it would cost to convert?

Thanks!!
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Old 08-10-2018, 01:34 PM   #2
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Propane is not usually sold in places like 24hr gas stations. Separate fuel companies or places like TSC will only help you during business hours. So that issue of availability would be a concern.
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Old 08-10-2018, 02:37 PM   #3
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"Owner says it would be relatively inexpensive to convert to diesel". Relative to what? Repowering the bus with a different engine is never inexpensive! Unless you plan on never being more than a few miles from home with it, buy a diesel bus.

John
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Old 08-10-2018, 03:30 PM   #4
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Diesel buses and trucks are regularly converted to run on propane or CNG the largest fleets in the world have "LP diesels" or "CNG diesels" running daily in their fleets the conversion is fairly simple there or back. Most places that fill tanks larger than BBQ tanks can fuel your unit including all the majors most co-ops TSC and almost every small town has a propane supplier.The only real consideration is cost LP or CNG is cleaner than diesel and doesn't jack up the newer diesels as bad if at all but if I remember the btu avail is slightly lower than diesel but don't quote me on that if my diesel was LP I would leave it that way. Gene
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Old 08-10-2018, 05:42 PM   #5
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I thought propane ran with much lower compression more like a gas engine not a diesel? I know diesels can be built to run on propane or LNG but thought they were built with low compression?
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Old 08-10-2018, 05:47 PM   #6
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forgot need some spark plugs too for propane, so they would have to go away....
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Old 08-11-2018, 08:38 AM   #7
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Thanks, guys! We eventually decided to go with a diesel van-chassis bus instead of the propane conventional bus. The Wife thought it would be easier for her to drive the van chassis bus and decided she didn't want anything as big as the conventional bus
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