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Thread: Looking to do a repower on my 140 H3...

  1. #11
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    Display Name: Kelvin Gebhard
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    Currently in my garages/sheds: 1967 JD112 RF ... 1972 JD 112 SF ... 1973 140 H3 ... 1977 JD 300 ... 1979 JD 216
    1979 JD 314 ... 1979 JD 317K ... 1986 JD 318 ... 2004 JD X485 ... 2011 JD TX Gator ... 2012 JD X720 ... 19XX Zennoh 7001B
    2003 HD Heritage Softail

    Deerely Departed : 1965 JD 110 ... 1967 JD 110 ... 1978 JD 316K ... 1987 JD 175 ... 1987 JD 185 ... 1987 JD 332 w/ 44 loader
    1990 JD 318 ... 2007 JD X300 ... 2015 Z930M ZTR ... 19XX MF 7 ... 1970 Harley FLH ... 1979 Harley Superglide

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  4. #12
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    I would try to go Kohler K series. If you want to go more modern I would go briggs Vanguard. I have a buddy that repowered his 318 with a 16HP vanguard and says he can't tell the difference. I think Kohlers(K series/Magnum) were better than briggs. I think biggs vanguard is better than Kohler Command. Just my opinion. I am getting close to tackling an H3 project myself.

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  6. #13
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    I am now looking into repower engines for 140 H3 to replace an old and tired K341. I am in process of buying the tractor so kind of early to tell if original engine is rebuild-able but I would like to try a twin cylinder Vanguard. Looking at repower from Smallenginewarehouse it looks like the air cleaner is cut in half leaving the air filter exposed to get clearance for fuel tank. Is this true? Looks like a butcher job to me. Extremely undesirable to me. Wouldn't it be better to relocate fuel tank under fender deck?

    Is there a Honda kit available from someone?

    Absolutely no Predator engines for me!
    Last edited by gabby_in_wis; 11-27-2019 at 05:59 AM.
    Currently in my garages/sheds: 1967 JD112 RF ... 1972 JD 112 SF ... 1973 140 H3 ... 1977 JD 300 ... 1979 JD 216
    1979 JD 314 ... 1979 JD 317K ... 1986 JD 318 ... 2004 JD X485 ... 2011 JD TX Gator ... 2012 JD X720 ... 19XX Zennoh 7001B
    2003 HD Heritage Softail

    Deerely Departed : 1965 JD 110 ... 1967 JD 110 ... 1978 JD 316K ... 1987 JD 175 ... 1987 JD 185 ... 1987 JD 332 w/ 44 loader
    1990 JD 318 ... 2007 JD X300 ... 2015 Z930M ZTR ... 19XX MF 7 ... 1970 Harley FLH ... 1979 Harley Superglide

  7. #14
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    do the engines in the 140 vibrate like the 300's and 316k's

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    Display Name: Bob Meyer

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    nkaust, The quick answer is maybe! It ALL depends on the idle speed. I think there's a big difference in what most people think "idle" should sound like and what Kohler spec's out. 2000-2200 rpm is the Kohler spec for the K321 and 2100 for the K341. At this rpm, it just "sounds" too fast, but that's the spec.

    Not sure what my idle was on my 314, but it "sounded" right...except for the hood, pedestal and everything else clanking and vibrating around! I brought the idle up to around 2000 rpm and everything smoothed right out! It's amazing what you can learn by reading a manual! Bob
    '80 317 w/18hp B&S and divert valve for rear hydraulics, 3 pt hitch, 5' york rake
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    Mod 48 deck & Mod 462 TracVac

  9. #16
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    Display Name: Steve
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    I am now looking into repower engines for 140 H3 to replace an old and tired K341. I am in process of buying the tractor so kind of early to tell if original engine is rebuild-able but I would like to try a twin cylinder Vanguard. Looking at repower from Smallenginewarehouse it looks like the air cleaner is cut in half leaving the air filter exposed to get clearance for fuel tank. Is this true? Looks like a butcher job to me. Extremely undesirable to me. Wouldn't it be better to relocate fuel tank under fender deck?
    Gabby, I seem to remember a re-power thread years ago where an offset air cleaner adapter was made so the Briggs air cleaner didn't have to be cut to clear the gas tank. I've also had the thought that maybe a thinner battery could be used so the gas tank could be situated further back to enable air cleaner clearance.

    Steve

  10. #17
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    Display Name: Kelvin Gebhard
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    The other option (I have not researched yet) is an under fender deck fuel tank. I would really like to go the Vanguard route but will not run around with an exposed air filter. I can't believe that is offered as a solution to make it fit. Was the relocated air cleaner article on WFM?
    Currently in my garages/sheds: 1967 JD112 RF ... 1972 JD 112 SF ... 1973 140 H3 ... 1977 JD 300 ... 1979 JD 216
    1979 JD 314 ... 1979 JD 317K ... 1986 JD 318 ... 2004 JD X485 ... 2011 JD TX Gator ... 2012 JD X720 ... 19XX Zennoh 7001B
    2003 HD Heritage Softail

    Deerely Departed : 1965 JD 110 ... 1967 JD 110 ... 1978 JD 316K ... 1987 JD 175 ... 1987 JD 185 ... 1987 JD 332 w/ 44 loader
    1990 JD 318 ... 2007 JD X300 ... 2015 Z930M ZTR ... 19XX MF 7 ... 1970 Harley FLH ... 1979 Harley Superglide

  11. #18
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    Display Name: M. Drew
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    Quote Originally Posted by nkaust View Post
    do the engines in the 140 vibrate like the 300's and 316k's
    No the K321 is bolted to the frame and not on isolators like the 300 series. It shakes, it's suppressed by the frame.

    Gabby, rebuild if the cylinder wall is still good.
    Mike

    Sometimes I'm only funny to myself.

  12. #19
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    Drew, buying a load of Deere machines from a member in western Michigan. He says the engine in the 140 ran when parked but extremely tired so it should be rebuildable. I was just looking at building up a real work horse with twin cylinders. You are correct I probably need to stick to the Kohler engine. I was really disappointed when I saw what supplier was doing to the air cleaner on the Vanguard to make it fit. Will post photos of future projects when I get them home. Happy Thanksgiving Drew.
    Currently in my garages/sheds: 1967 JD112 RF ... 1972 JD 112 SF ... 1973 140 H3 ... 1977 JD 300 ... 1979 JD 216
    1979 JD 314 ... 1979 JD 317K ... 1986 JD 318 ... 2004 JD X485 ... 2011 JD TX Gator ... 2012 JD X720 ... 19XX Zennoh 7001B
    2003 HD Heritage Softail

    Deerely Departed : 1965 JD 110 ... 1967 JD 110 ... 1978 JD 316K ... 1987 JD 175 ... 1987 JD 185 ... 1987 JD 332 w/ 44 loader
    1990 JD 318 ... 2007 JD X300 ... 2015 Z930M ZTR ... 19XX MF 7 ... 1970 Harley FLH ... 1979 Harley Superglide

  13. #20
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    If you want more HP read this article https://www.kirkengines.com/download...ohlerPartI.pdf

    Happy Thanksgiving to you and yours also. Just finished dinner down south with Josh.
    Mike

    Sometimes I'm only funny to myself.

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