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  1. #21
    Veteran Member
    Join Date
    Feb 2002
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    1,055
    Location
    WVa
    Tractor
    Kubota L3710, Ford 5600, Case MB4/94, Kubota B6200

    Default Re: Test Running a diesel on propane

    That's true. They do use cast iron for the heads in both cases.

  2. #22
    Bronze Member plaindave's Avatar
    Join Date
    Oct 2003
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    98
    Location
    White Lake, MI
    Tractor
    Kubota B7800

    Default Re: Test Running a diesel on propane

    I've built up large diesel engines to operate as a "dual-fuel" configuration. You use diesel to start the engine and then ramp back the diesel while increasing the natural gas (or propane) into the air intake. It's a pretty complex electronic control system but it works and works well.

    It is used typically in stationary applications (ie. power generation) where you want the lower fuel cost of natural gas and the lower emissions that are possible with a natural gas engine.

    There is no practical reason to use it on a tractor though...

  3. #23
    Silver Member
    Join Date
    Apr 2002
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    247
    Location
    Independence, MO.
    Tractor
    Iseki 3200F, kubota L245DT

    Default Re: Test Running a diesel on propane

    union pacific rail road had some engines that would run on diesel fuel or natural gas.

  4. #24
    Super Star Member Egon's Avatar
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    Aug 2001
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    17,303
    Location
    Nova Scotia, Canada

    Default Re: Test Running a diesel on propane

    Just curious - were the dual fuel diesels two cycle?

    Egon

  5. #25
    Silver Member
    Join Date
    Jun 2003
    Posts
    100
    Location
    South Louisiana
    Tractor
    JD 4610 E-hydro 4WD, JD 5525 4WD Cab

    Default Re: Test Running a diesel on propane

    I apologize for coming in late on this thread. Back in the late 60's, we had an old International 870 diesel tractor that had a 10 gallon propane tank on the front of it and a switch on the console marked "Powermizer". Dad said it was used to inject propane along with the diesel to increase power when needed and was only supposed to be used for very short periods of time. You IH mechanics correct my failing memory, but I believe it was plumbed in to the air intake. Regardless, I can't attest to it's functionality because we never put propane in the tank that I can recall. Propane was a precious commodity used to boil crabs and crawfish, and not to be wasted by doing productive work with it. [img]/forums/images/graemlins/smile.gif[/img]

  6. #26
    Bronze Member plaindave's Avatar
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    Oct 2003
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    98
    Location
    White Lake, MI
    Tractor
    Kubota B7800

    Default Re: Test Running a diesel on propane

    </font><font color="blue" class="small">( Just curious - were the dual fuel diesels two cycle?

    Egon )</font>

    No - They were mostly CAT 3500 series engines. A few DDC Series 4000 also. These were projects in New York for stationary power.

    Worked pretty good. Personally I'd have put in straight natural gas engines given the opportunity, but we couldn't make the economics of the projects work out with new engines.

  7. #27

    Join Date
    Jan 2005
    Posts
    27
    Location
    Central Florida

    Default Re: Test Running a diesel on propane

    As a note there ARE actual propane conversions available in both spark ignition engines and compression ignition engines. These are not aftermarket conversions and they actually are sanctioned and supported by the engine manufacturers.

    Personally I do not like propane power but there are quite a few fleets that are configured this way, and they love them.

    To really get more information on "moving" applications, all a person would have to do is call any Chev, Dodge or Ford dealer and speak with an EXPERIENCED salesperson.

    They are still around and yes even available NEW, although they are rare.

  8. #28
    Super Star Member Egon's Avatar
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    Aug 2001
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    17,303
    Location
    Nova Scotia, Canada

    Default Re: Test Running a diesel on propane

    Thanks Plaindave.

    Egon

  9. #29
    Veteran Member Volfandt's Avatar
    Join Date
    Sep 2004
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    1,879
    Location
    TN
    Tractor
    2004 Kubota BX23, 1966 WheelHorse 856

    Default Re: Test Running a diesel on propane

    I have seen a Detroit Diesel 671 slant 6 run WOT on it's own oil only!

    It was a "run away". The fuel had been cut off and it still kept on keeping on!
    The valve cover was off to replace a bad injector and when it was test started, the rack got jammed in the wide open position. Then it was Katie bar the door [img]/forums/images/graemlins/blush.gif[/img] [img]/forums/images/graemlins/grin.gif[/img]

    The oil shooting out of the rocker arm lubricating holes as well as what was splashing about in the head was being drawn into the wide open unobstructed intake. The air cleaner assembly had been removed to gain access to the valve cover/head.
    So you had a supercharger drawing in everything that just so happened to splash near it's intake openning and this diesel ran WOT on it!

    It was shut down only after enough rags were stuffed into the intake to suffocate it!

    OH &amp; btw, it ran WOT for approx 2 to 3 minutes like this and survived to run for many more hrs afterwards..... Those 2 to 3 minutes seemed like hrs [img]/forums/images/graemlins/blush.gif[/img] [img]/forums/images/graemlins/grin.gif[/img]

    Volfandt

  10. #30
    Elite Member
    Join Date
    Mar 2002
    Posts
    2,816
    Location
    Iuka Mississippi USA
    Tractor
    3550 Fard Backhoe and a 1948 Farmall Cub,

    Default Re: Test Running a diesel on propane

    Volfandt Internations Farm tractors will do the same if the wrong oil bath filter tank isintalled on them to. Dad had an old B414 with oil bath and he picked up the wrong resvoir and filled it to the right line which was about 3/4ths of an inchshorter and had the same diameter as the stok one. Dad filled it up and started it. It ran wild, looked like a prostock puller with all the smoke blowing out.
    As for running one on propane many landfills are using propane and methan converted diesels for use in landfills off methane gas pockets that come from decomposing waste. Ive seen a few Cats and Perkins on this set up to. At our landfill we may go the methane route to make our own electricity.

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