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  1. #1
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    Jul 2006
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    Default B7510 = installing block heater

    I have cold started my kubota B7510 a couple of times this winter, below 20 f. and it sounds like it is horrendous on the engine. I am running 20w15 vs. the spec. 10w30 because the dealer said it is better, given the diesel additives these days.. The question is this: I have moderate technical skills; is installing a block heater difficult?

  2. #2
    Elite Member
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    Apr 2003
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    3,741
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    New Hampshire
    Tractor
    Kubota B2710, IH TD6-62 dozer with Drott 4n1 bucket loader

    Default Re: B7510 = installing block heater

    The block heater for the B7510 screws into a plug in the engine block just like the B2410/2710/2910 as they all use the same parts kit. You will need a good sized 17mm allen wrench and probably a cheater bar or pipe to get the plug loose then out. Sears sells the allen wrench. You will also need some teflon tape to seal the threads when you screw the heater in. Installation should take less than 10 minutes once you get the plug out.
    My friends call me Mad, everyone else thinks I'm mad.

  3. #3
    Platinum Member bigdad's Avatar
    Join Date
    Feb 2006
    Posts
    617
    Location
    West Central Illinois
    Tractor
    Kubota B7510

    Default Re: B7510 = installing block heater

    I had my dealer install mine. 65 bucks parts and labor. I tinker a bit, but didn't want the mess. Also, I can drive my tractor to my dealer. (Handy)

    20 bucks for the labor was worth it.

  4. #4
    Platinum Member herringchoker's Avatar
    Join Date
    Oct 2004
    Posts
    631
    Location
    New Brunswick, Canada
    Tractor
    Kubota B7800, Case 450

    Default Re: B7510 = installing block heater

    Like MadReferee says, it's a quick and easy job. And your engine will appreciate it.
    Kubota B7800, LA402 FEL, Homemade cab, 60" bushcutter, 74" rear snowblower.
    Kubota RTV500.
    Case 450 c/w 6-way dozer.

  5. #5
    Silver Member
    Join Date
    Sep 2006
    Posts
    203
    Location
    Michigan
    Tractor
    Kubota B7100 & B7610

    Default Re: B7510 = installing block heater

    Save your money. 20 weight will not flow freely into the tight tolerances of a modern engin like yours, at cold temperatures. I use 5W 30 in cold Michigan winters. I think your dealer is misguided in his thinking. Read your manual and trust the factory before you trust a dealer. Have him show the service bulleten from kubota. I'll bet he can't produce one. 20W30 means when the oil is cold it 20 wieght. No wonder it sounds bad when you crank it over. In the hot summer 20W30 might make sense but even then I would not deviate from the manuafacturers specification. In the summer your oil is only 15 weight and too thin to protect surfaces that are machined to such tight tolerances. Is your tractor still under warranty?

  6. #6
    Silver Member
    Join Date
    Oct 2006
    Posts
    130

    Default Re: B7510 = installing block heater

    I don't think I've seen 20w15 oil. Are you sure that's right?

  7. #7
    Veteran Member
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    Jul 2002
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    1,171
    Location
    North of the Fingerlakes - NY
    Tractor
    Ford 4000; Ford 2000(both 3cyl.);JD40; 2004 Kubota L4300; 2006 Kubota B7610; new 2007 Kubota MX5000

    Default Re: B7510 = installing block heater

    20w15 sounds bogus. Did you mean 20w50? Or 15w40?
    New Kidz: '04 L4300 w/BH-90X, '06 B7610, '07 MX5000 Old Pros: '75 Ford 4000, '54 JD40

    Romans 8:28

  8. #8
    Bronze Member
    Join Date
    Aug 2005
    Posts
    64
    Location
    Seacoast Area, NH
    Tractor
    Kubota B2320, 2012 yr

    Default Re: B7510 = installing block heater

    CYLMER, I recently installed a block heater in my B7510 and all is great. I have the Mfg amd Part# around if u need it. The Kobota dealers here only have the punch in type, the screw type are the best.

  9. #9
    Elite Member
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    New Hampshire
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    Kubota B2710, IH TD6-62 dozer with Drott 4n1 bucket loader

    Default Re: B7510 = installing block heater

    The correct kubota part number for the screw in kit is 70000-73274 and it fits B1700/2100/2400 and B2410/2710/2910/7800 and B7610/7500/7510 and B2630/3030.

    Part number 70000-74128 is for the B7300hsd/7400hsd/7410dt and will require two thermostat gaskets and a parts kit. I believe that this kit is an inline kit.
    My friends call me Mad, everyone else thinks I'm mad.

  10. #10
    Platinum Member herringchoker's Avatar
    Join Date
    Oct 2004
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    631
    Location
    New Brunswick, Canada
    Tractor
    Kubota B7800, Case 450

    Default Re: B7510 = installing block heater

    I installed an aftermarket heater in my B7800 that is threaded but is smaller than the threaded hole in the block, so I used a standard threaded pipe bushing to adapt. The install was easy and the heater works great.
    Kubota B7800, LA402 FEL, Homemade cab, 60" bushcutter, 74" rear snowblower.
    Kubota RTV500.
    Case 450 c/w 6-way dozer.

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