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  1. #1
    New Member
    Join Date
    May 2013
    Philo, Ohio
    Massey Ferguson 205-4

    Default Case 580B Backhoe

    I have a Case 580B Backhoe with a Diesel Motor in it, and a Shuttle Transmission . My problem is I am getting Diesel Fuel in my Engine Oil. I have tried Shutting the fuel off and letting it run till it starts running out of fuel, But that still doesn't help at all. One guy told me it is the injectors and another guy told me it is the Seal on the front of the Fuel Pump. But I am just not sure what to do. If I pull the Pump off , How hard is it to change the Seal in the front of the pump and put it back on?? Help!!!! Any suggestions ??

  2. #2
    Veteran Member
    Join Date
    Jan 2008
    Western PA
    John Deere 5083E MFWD, Kubota L3400 HST

    Default Re: Case 580B Backhoe

    get a service manual for that machine at your local dealer, and try posting in the heavy equipment section and not the attachments section. You will more than likely get a better response over there.
    '11 John Deere 5083E, 563NSL Loader, MX10 Mower, 78" Bucket, Forks/Bale spear (interchangeable)
    L3400 Kubota HST Loader, finish mower, rake, scraper blade, Gin pole, Kustom Fab front hydraulic snow plow (Inspired by ASGAR)
    JD 550 Dozer 6 way blade and winch
    JD 450B Track Loader
    Case 480C Backhoe W/ Extend-a-hoe

    '01 International 4700 LP, DT530, Allison MD3060, Air Ride, Crew Cab
    '11 Moritz 20+5 14.5K GN with adj. Tail
    ''08 700R Raptor

  3. #3
    New Member
    Join Date
    May 2013
    Kubota BX2670

    Default Re: Case 580B Backhoe

    I inherited a Case 530 construction king back hoe with 188 diesel engine. I just pulled off and put back on the injector pump. There are two seals on the injector pump shaft. If one of them is crimped and put on wrong, it will leak diesel (from the pump) down into the crankcase. Sounds like you need to pull it and put new seals in.

    This guy can help you....he rebuilt my pump and was a fountain of knowledge. He also has instructions on his web page.

    D&C Diesel, Diesel injection injector pumps repair, Falmouth ky

  4. #4
    Gold Member
    Join Date
    Jul 2009
    Kubota L4600, Deere 4230,Massey 265... Had Long 510, Mahindra 3510.Ford 4000

    Default Re: Case 580B Backhoe

    Lift pump could be bad also ... that would be my first check. in 25 yrs 98% of the ones I have seen getting fuel in the oil is from the lift pump.

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