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Results Are In!!! Gph

Discussion in 'Lawn Mowing' started by grass disaster, Jul 6, 2006.

  1. grass disaster

    grass disaster LawnSite Silver Member
    Posts: 2,583

    mower: kubota zd-18 with 600 hrs
    -------- 3 cylinder diesel
    ---------54" deck

    95% of my jobs i run WFO

    exactly 8 hours = 5.5 gallons diesel

    .6875 gallons per hour

    i will be switching to synthetic soon possibly even get better mileage

    i'd say that's pretty good.... now if i could only get better than 8 mpg with the truck
  2. Flex-Deck

    Flex-Deck LawnSite Silver Member
    Posts: 2,846

    I switched to diesels in 1988, and will never run a gasser again. They use 1/2 the fuel and have 2 times the torque. Easy maintainance. Easy start, Easy everything. Life expectance is at least 3 time a gasser.
  3. Precision

    Precision LawnSite Silver Member
    Posts: 2,995

    synthetic oil, or biodiesel?

    Biodiesel has many advantages, but GPH decrease is not one of them. Depending on your base stock, BTU output of biodiesel is down 5-15% compated to dino diesel. But at almost half the cost, who cares.
  4. grass disaster

    grass disaster LawnSite Silver Member
    Posts: 2,583

    i don't have time to mess with biodiesel
  5. specialtylc

    specialtylc LawnSite Bronze Member
    Posts: 1,656

    I have a ZD21 , it uses about the same as your 18. My ZD28 uses a gallon per hour. I was really supprised after I bought it. I didnt think the 28 would use that much more fuel than the 21.
  6. jtkplc

    jtkplc LawnSite Silver Member
    Posts: 2,646

    Wow, that's awesome fuel efficiency...

    My 25 Kawasaki runs right at 1.2 gph with about 575 hours on it with Amsoil and a mulch kit.

    Wish I would have known what I do now when I bought my 260Z in '03.
  7. JTF40

    JTF40 LawnSite Senior Member
    Posts: 875

    My life is wonderful, also !!!!!!:usflag:

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