Vote: best brand of inboard propulsion engine...

Discussion in 'Diesel Engines' started by B33RND, Aug 27, 2009.


What do you consider as the best propulsion engine within 130-160 kW range? Vote!

  1. John Deere

    31 vote(s)
  2. Iveco

    7 vote(s)
  3. Deutz

    7 vote(s)
  4. Volvo Penta

    12 vote(s)
  5. Yanmar

    23 vote(s)
Multiple votes are allowed.
  1. Boston

    Boston Previous Member

    they built that same model for 50 years ?

    its got aluminum pistons
    seems kinda risky in a diesel
  2. powerabout
    Joined: Nov 2007
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    Location: Melbourne/Singapore/Italy

    powerabout Senior Member

    Show me a diesel that fits in a yacht that doesnt have aluminium pistons?
  3. Boston

    Boston Previous Member
    took about five seconds to find a steel piston for a marine engine mate

    diesels take a beating and I was just surprised to find someone using aluminum for the pistons
    seemed kinda like using an aluminum sleeve

    granted I know squat about marine diesels but that bit about aluminum pistons just kinda seemed a bit off

    not trying to start a fire storm mind you but I think if I was going to sea and depending on one engine I'd want one serious chunk of steal
  4. powerabout
    Joined: Nov 2007
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    Location: Melbourne/Singapore/Italy

    powerabout Senior Member

    ok ok yes steel crown
    I was thinking you meant a cast steal piston like some big old engines had
  5. mark775

    mark775 Guest

  6. Landlubber
    Joined: Jun 2007
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    Location: Brisbane

    Landlubber Senior Member

    mark, the old Lugger is no longer made using the 24 litre Komatsu engine...a great loss.
  7. powerabout
    Joined: Nov 2007
    Posts: 2,937
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    Location: Melbourne/Singapore/Italy

    powerabout Senior Member

    maybe we should have a vote after we find if they use articulated pistons with steel crowns and or inserted steel crowns?
  8. apex1

    apex1 Guest

    I still have two of them sitting around. ...a great loss:D

    But I know where to install them.
  9. dskira

    dskira Previous Member

    kelvin, Guascor
  10. dskira

    dskira Previous Member

    All the list are trucks engines.
    I don't vote for trucks.
    Joined: Oct 2002
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    Location: Conn in summers , Ortona FL in winter , with big d

    FAST FRED Senior Member

    The economic realities , so many gov air police agencies world wide , means that under 1000HP almost every engine in the world is a marinization of existing engines.

    Truck , tractor and earth moving engines are great as most are Mfg by the thousands and problems will show up and be corrected.

    IF you are moving a super tanker , or a box boat with 7000TEU on deck, you can get a "genuine Marine" engine.

    Shaft rpm will be about 100 at cruise , so get a boat that can swing a BIG!!! propellor.

  12. apex1

    apex1 Guest

    Oh no Fred.

    The MAN or MTU´s above some 500hp are real Marine engines, not truck knock offs.

    No wonder they lead the market.
  13. dskira

    dskira Previous Member

    I edited you.
    They are not working on the most hostile environment. Sea salt is destructive to a point not known in highway.
    They have to work non stop at 80% of the power, never a truck will do that.
    Big difference between a marine engine and truck engine, not only the cooling, the casting and the whole design should be done for that only purpose.
    As you said, the sad part is : Economics, level to the bottom in this Wal Mart world :D
  14. BigCat
    Joined: Jan 2008
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    Location: near Seattle

    BigCat Junior Member

    So true. The question is pretty clueless. As bad as 'What's the best boat?' Best for what?

    Cummins, for example, produces engines rated only for a short lifetime on yachts and engines rated for a long lifetime in commercial use. Lots of manufacturers do this. In a commercial engine, or a voyaging yacht, I'd go with a derated Deere engine.

  15. Quatsino Boater
    Joined: Feb 2011
    Posts: 52
    Likes: 1, Points: 0, Legacy Rep: 10
    Location: Port alice BC

    Quatsino Boater Junior Member

    Hi I am kind of looking for the same information on diesels but in the 50 to 100 hp range. I currently own a Volvo penta gas, fresh water cooled with a raw water heat exchanger. So that is all the experience I have.

    I am a soon to be retired welder/ millwright so I have the ability to do my own work. Being older, 50 ish I would like a meat and potatoes diesel with little electronics. I do not like modern vehicles (trucks) that leave you stranded out in the bush because of a stupid 500 dollar sensor! Bah bring back seventies engines. Points, plugs, a crescent wrench, screw driver and a set of feeler gauges and you would away get home LOL.

    Enough rant though, I would like a naturally aspirated 50 to 100 hp diesel power plant with very little or no electronics , (mechanical fuel pump and metering) like the seventies. Fuel efficient, durable, cheap parts and easily worked on. Good access to parts in North America.

    most of you like the Cummins, is this you best pic for my requirements as well? Thanks :D
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