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  1. #21
    Gold Member
    Join Date
    Dec 2006
    Posts
    462
    Location
    Quebec
    Tractor
    Two Gravely Two L One with 10 h.p Dek-Diesel engine one Grillo 107d and one BCS 735 diesel

    Default Re: Engine ideas

    Kris ! Excuse me . I make error with measurement. The Gravely crankcase is only 5.4 in. deep +.25 steel plate adaptor. total is 5.625 in. I just take measurement. the output shaft length of any motor is 3.5 in. With my system all adaptor is only or less 3 in. more lenght. Thanks OLDMECH

  2. #22
    Bronze Member
    Join Date
    Jan 2007
    Posts
    82
    Location
    L.I. N.Y.
    Tractor
    Gravely LI, C8, Pro12

    Smile Re: Engine ideas

    Oldmech- I understand. If your going to do a Honda next have a look here:

    Bruce Livingstone's Honda Conversion

    It may help you.


    - Kris

  3. #23
    Platinum Member
    Join Date
    May 2003
    Posts
    696
    Location
    NE PA
    Tractor
    AC 5020, Gravely Com12, JD M, JD X300R, WH 16 Auto

    Default Re: Engine ideas

    kris, in your travels what is the smallest engine you have seen someone put on an L?

  4. #24
    Veteran Member
    Join Date
    Oct 2004
    Posts
    1,162
    Location
    Lecompton, Kansas
    Tractor
    AgKing 2840 shuttle shift

    Default Re: Engine ideas

    I did a search on the DEK diesels, I found lots of info but nowhere to purchase from. Any ideas?
    WmWms

  5. #25
    Platinum Member
    Join Date
    May 2003
    Posts
    696
    Location
    NE PA
    Tractor
    AC 5020, Gravely Com12, JD M, JD X300R, WH 16 Auto

    Default Re: Engine ideas

    bill, check out e-bay there are several selling the yanny knock off engines

  6. #26
    Platinum Member
    Join Date
    May 2003
    Posts
    696
    Location
    NE PA
    Tractor
    AC 5020, Gravely Com12, JD M, JD X300R, WH 16 Auto

    Default Re: Engine ideas

    I have been looking at them they have 4,6,and 10 hp

  7. #27
    Bronze Member
    Join Date
    Jan 2007
    Posts
    82
    Location
    L.I. N.Y.
    Tractor
    Gravely LI, C8, Pro12

    Smile Re: Engine ideas

    Js5020- The smallest is probably a 13hp Honda. All of the people who I have seen repower go for higher hp engines ( more power arrrrh). There is a guy who put on a 20hp Briggs. The smallest engine that Gravely used is a 8 hp Kohler, which there is a brand new one on e-bay right now from an equipment dealer in NY. E-bay: Item number: 190071622246.

    - Kris

  8. #28
    Bronze Member
    Join Date
    Jan 2007
    Posts
    82
    Location
    L.I. N.Y.
    Tractor
    Gravely LI, C8, Pro12

    Smile Re: Engine ideas

    Here's the 20hp conversion;

    C10A to Vanguard 23 | GravelyInfo.com

    - Kris

  9. #29
    Platinum Member
    Join Date
    May 2003
    Posts
    696
    Location
    NE PA
    Tractor
    AC 5020, Gravely Com12, JD M, JD X300R, WH 16 Auto

    Default Re: Engine ideas

    I have a daily user Comm 12 and for most jobs, except blowing wet snow the 12 Kohler is more than necessary, and it's so tail heavy. I was thinking the only things I would be using on this converted L would be the sickle mower, a power barrow, and maybe a 30" deck on the lawn. The original engine was a 5hp Gravely, but as we know the torque that engine generated will exceed x3 any modern 5 hp. I was thinking with these limited tasks I would try smaller than 8 hp.

  10. #30
    Bronze Member
    Join Date
    Jan 2007
    Posts
    82
    Location
    L.I. N.Y.
    Tractor
    Gravely LI, C8, Pro12

    Smile Re: Engine ideas

    Js5020- I wouldn't go smaller than an 8hp. The 8 hp kohlers were not as tail heavy and better balanced than their 12 & 16 hp siblings. They were eqivalent to the Gravely engines in balance and power. A smaller engine might not be powerful enough and you would be severly limiting what you could do with that machine. - Kris

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