Page 1 of 2 12 LastLast
Results 1 to 10 of 14
  1. #1
    New Member
    Join Date
    Jun 2010
    Posts
    4
    Tractor
    Kubota 3430

    Default Engine not shutting down

    Hi All
    I have an older 23 HP tractor and I am having a rather annoying problem with it.
    About a week ago I was having a cranking problem meaning I would go to crank the engine to start it and it would not crank. It seemed to be intermittent as it would work some of the time but not all the time. I wound up running a jumper wire to the starter just to start the engine so I could use the machine. That problem has not been happening since the first time I used the jumper wire. Things seemed to be OK. Now I have a problem shutting the engine down. I turn the key to the off position and the engine still continues to run. After repeatedly turning to key to the off position it has finally shut down. So that leaves me trying to find out why.
    It's a 23 HP 3 cylinder diesel about a 1985 with a glide shift transmission. Not HST.

    Any suggestions are welcome. I have no wiring diagrams to look at and all the troubleshooting guide is consult your kubota dealer.

    Much appreciated.

  2. #2
    Veteran Member
    Join Date
    Apr 2012
    Posts
    1,537
    Location
    Northern Ontario, Canada
    Tractor
    2012 Kioti CK27HST w/cab

    Default Re: Engine not shutting down

    I'm not much of an expert, but have you tried a different switch? I think that is where I would start troubleshooting.

  3. #3
    New Member
    Join Date
    May 2012
    Posts
    5
    Location
    Huntsville, AL
    Tractor
    John Deer 855 & Farmall Cub

    Default Re: Engine not shutting down

    I had a similar problem with a JD 855. Cleaning the air filter fixering system fixed the problem. It appears the restricted air flow was alowing the engine to suck fuel through the fuel pump. Or that is my guess!

  4. #4
    New Member
    Join Date
    May 2012
    Posts
    5
    Location
    Huntsville, AL
    Tractor
    John Deer 855 & Farmall Cub

    Default Re: Engine not shutting down

    (Correction to last post) I had a similar problem with a JD 855. Cleaning the air filtering system fixed the problem. It appears the restricted air flow was alowing the engine to suck fuel through the fuel pump. Or that is my guess!

  5. #5
    Elite Member Don87's Avatar
    Join Date
    May 2010
    Posts
    4,226
    Location
    SW Pa.
    Tractor
    Massey Ferguson GC2400

    Default Re: Engine not shutting down

    Quote Originally Posted by Looking4new View Post
    I'm not much of an expert, but have you tried a different switch? I think that is where I would start troubleshooting.
    I would start there also.
    Don

    MF GC2400, FEL, 60in.MMM, 5ft. Cultivator, Single Bottom Plow, Bush Hog RTC48 tiller, MF 2360 front mount snowblower, 5ft backblade. BXpanded Piranha toothbar.

  6. #6
    Veteran Member kuboman's Avatar
    Join Date
    Dec 2009
    Posts
    2,097
    Location
    Canada
    Tractor
    B3200, L5740,

    Default Re: Engine not shutting down

    Yep try a new key switch, if that fails it will be your shut off solenoid.
    L5740 LA854 loader
    L3130 LA723 loader sold
    B3200 LA504 loader
    B1550 sold
    B2620 sold
    B4200 sold
    F2680E
    GF1800
    Kubota RTV900
    JD 850D Gator sold
    JD F935 x 2 sold
    Case 590SM-2
    JD 310D TLB sold
    Ford 555D sold
    Gehl 602 excavator sol

  7. #7
    Super Member radioman's Avatar
    Join Date
    May 2008
    Posts
    5,601
    Location
    Ontario, NY
    Tractor
    Kubota BX24

    Default Re: Engine not shutting down

    which model of kubota are you referring to? are you sure that the HST safety switch or pto switch is preventing from starting?

    If you cant shut it off now, perhaps your kubota has a fuse blown for the shutoff solenoid?

  8. #8
    Elite Member dex3361's Avatar
    Join Date
    Aug 2008
    Posts
    3,568
    Location
    N. of Charleston WV
    Tractor
    Kubota L4400-1 HST,FEL, 3x3 remotes, TNT. BX1500 54 mmm

    Default Re: Engine not shutting down

    Sounds to me like you have loose or corroded electrical connections or a bad switch. The engine stop solenoid has to be energized to stop.
    Randall



    1Timothy Chapter 2:
    3 For this is good and acceptable in the sight of God our Saviour;
    4 Who will have all men to be saved, and to come unto the knowledge of the truth.
    5 For there is one God, and one mediator between God and men, the man Christ Jesus.
    From: The HOLY BIBLE

  9. #9
    Super Star Member J_J's Avatar
    Join Date
    Sep 2003
    Posts
    17,221
    Location
    JACKSONVILLE, FL
    Tractor
    Power-Trac 1445, KUBOTA B-9200HST

    Default Re: Engine not shutting down

    Are you guys sure about how that fuel stop solenoid works.

    I always thought that the fuel solenoid had to be energized to allow fuel to flow, so when you turn the key off, the solenoid blocks fuel. Turn the key on, fuel flows.

    Default mode should be no fuel.

    It could depend on whether the solenoid is pushing or pulling a lever also.
    Last edited by J_J; 05-06-2012 at 06:14 PM.
    J.J.

    When I works, I works hard. When I sits and thinks, I goes to sleep.

    Git er done.

  10. #10
    Veteran Member brain55's Avatar
    Join Date
    Jan 2008
    Posts
    1,626
    Location
    Brentwood, CA

    Default

    On that era of kubota it has a fuel shut-off timer relay that gets energized when you turn the key off, after 8 seconds it deactivates power to the solenoid, the default position on the solenoid is run. With the problem you are descriping it sounds more like the linkage on the fuel shut-off solenoid is hanging up, out of adjustment, or has some debris in it. It could also be in the timer/relay, the solenoid, or the connections between them.

Page 1 of 2 12 LastLast

Similar Threads

  1. Engine oil flow issue to hyd pump drive gear bearings & New member
    By Valleyview in forum Oil, Fuel & Lubricants
    Replies: 11
    Last Post: 08-03-2013, 11:47 AM
  2. Scag / Kohler engine has me stumped
    By aloha in forum General Lawn & Garden
    Replies: 32
    Last Post: 06-17-2013, 10:25 PM
  3. JD855 = YANMAR what?
    By JD855 in forum Parts/Repairs
    Replies: 16
    Last Post: 01-13-2010, 02:18 AM
  4. Oil & Fuel TY290 engine / 2i70 fuel injection pump
    By kingjames8283 in forum Chinese Tractors
    Replies: 6
    Last Post: 01-25-2007, 10:48 AM
  5. 6x4 Gator Diesel surges
    By ndblackhawk in forum ATVs & Utility Vehicles
    Replies: 2
    Last Post: 10-20-2005, 10:52 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
© 2014 TractorByNet.com. TractorByNet is a registered trademark of IMC Digital Universe, Inc. Other trademarks on this page are the property of their respective owners.