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  1. #1

    Join Date
    Sep 2004
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    8

    Default Diesel engine emergency shut-off

    I have kubota L3400 . It just occurred to me after reading another post that if , for some reason, the key failed to shut off the diesel engine, I don't know how else to shut it down other than pulling up to a tree at low idle and popping the clutch in high gear. Is there a better way?

  2. #2
    Elite Member
    Join Date
    Oct 2000
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    3,054
    Location
    Windham County, Conn
    Tractor
    Ford 2120 , New Holland TN75D, Hitachi UH083LC Excavator

    Default Re: Diesel engine emergency shut-off

    On my Ford 2120 there is a pull knob for emergency shutoff on the post under the stering wheel. If that doesn't work then you can shut off almost any diesel by turning off it's fuel with the fuel shutoff most of them have in their fuel line.

    Andy

  3. #3
    Platinum Member sneaky_pete's Avatar
    Join Date
    Aug 2004
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    676
    Location
    Parker County, Texas and Santa Fe County, New Mexico
    Tractor
    Kubota B7400HSD, G1800

    Default Re: Diesel engine emergency shut-off

    Wondered the same thing about my little G1800, which doesn't have a fuel shutoff switch like my B7400.

    Pete

  4. #4
    Platinum Member v8dave's Avatar
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    May 2004
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    617
    Location
    Northern, Calif.
    Tractor
    Kubota 7610

    Default Re: Diesel engine emergency shut-off

    If the engine isn't a runaway, then open the hood and smother the air intake. Starving the engine for air will stop it.

    If the engine is a runaway, then get away from it. Don't get hit by flying shrapnel.

  5. #5
    Platinum Member NoTrespassing's Avatar
    Join Date
    Jul 2003
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    679
    Location
    East Central Illinois
    Tractor
    Kubota 1999 L3710 HST FWA

    Default Re: Diesel engine emergency shut-off

    On my L3700 there is a kill switch to pull. I'm surprised you don't have one. Mine is a '99 HST. Don't standard trans. Kubotas have a kill switch?

    Kevin

  6. #6
    Super Member Dargo's Avatar
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    Mar 2004
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    5,980
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    S. IN
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    Jinma, Foton, TYM, Belarus, Yanmar, Branson, Montana, Mahindra and maybe some green and orange too.

    Default Re: Diesel engine emergency shut-off

    They will eventually run out of fuel. [img]/forums/images/graemlins/grin.gif[/img] [img]/forums/images/graemlins/grin.gif[/img]

    Just kidding obviously. Really you just yank the coil wire off. Oops, that won't work either. How about grab the fan and stop it? [img]/forums/images/graemlins/confused.gif[/img]

    All joking aside, it is a good question. Other than being able to stall the engine, as mentioned earlier either fuel or air deprivation would be your only options. Older diesel tractors all used to have the "little red knob" to pull instead of the now, key activated, solenoid that does the same job now.

    Again, good question especially with a hydro, since it would be more difficult to stall a hydro especially if you didn't have a loader or other attachment to aid in the "stalling".

  7. #7
    Elite Member
    Join Date
    Feb 2002
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    4,735
    Location
    western,pa.
    Tractor
    Kioti DK 35

    Default Re: Diesel engine emergency shut-off

    </font><font color="blue" class="small">( for some reason, the key failed to shut off the diesel engine, )</font>

    There should be some sort of shutdown on the fuel pump.
    If yours shuts down with the key, there should be an electric cylinoid of some sort on the fuel pump.
    If its not working you can throw the little lever on the pump by hand to shut it down.

  8. #8
    Elite Member SkyPup's Avatar
    Join Date
    Dec 2003
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    3,005
    Location
    North Central, Florida
    Tractor
    Kubota L-39 GST TLB, Kubota L3130GST, Massey 1030 HST, Kubota ZD-21 ProDecK, Two Euro VW TDIs

    Default Re: Diesel engine emergency shut-off

    Whatever you do, do not put your hand over the air intake to smother it.....

  9. #9

    Join Date
    Sep 2004
    Posts
    8

    Default Re: Diesel engine emergency shut-off

    I have read my manual thoroughly and no mention is made of any alternative means of shuting down the engine in case of electric switch failure. I suppose clipping a wire to the solenoid which I can hear clicking when the switch is turned on would be an option. Now I just have to find the solenoid. Thanks for all the input.

  10. #10
    Super Member
    Join Date
    Oct 2003
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    7,345
    Location
    Northeast, Ohio
    Tractor
    TC-40D SS New Holland

    Default Re: Diesel engine emergency shut-off

    On most of the newer HSTs if left in hi or low range will shut off the fuel and kill the engine if you leave the seat.

    They will also shut off the fuel if the PTO is engaged and you leave the seat.

    My older tractor had one lever to pull to shut off the fuel and one lever for decompression. Either would do the trick.

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