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  1. #1

    Default 10/20 Series IDI Engines?

    I don't want to rain on anybody's parade but isn't the IDI technology obsolete? I can't find solid efficiency information on pilot ignition systems but I don't think they take the 15% fuel use hit that IDI's do. Links to consider -

    http://www.bankspower.com/tech_dieselevolution.cfm
    http://www.edmunds.com/insideline/do...ticleId=108977

    Later -

  2. #2
    Member
    Join Date
    Aug 2005
    Posts
    44
    Location
    Central Texas
    Tractor
    Century C42L

    Default Re: 10/20 Series IDI Engines?

    WhatsNext,
    Ok, since it looks like no one else is going to bite I'll get us started.
    Would you mind telling us who are lacking in the brain cell department just what the heck you are talking about so we can start discussing it. Hal.

  3. #3
    Member
    Join Date
    Jan 2005
    Posts
    44
    Location
    Central Kentucky
    Tractor
    Branson 3510

    Default Re: 10/20 Series IDI Engines?

    I'm not an engineer or a mechanic, but I notice that the 2 links you post refer specifically to automotive diesels. I know that direct injection is available on some tractors, but I don't know if the advantages/disadvantages of high-tech car diesels translate the same to tractors. Audi is mounting a diesel effort at Le Mans this year, and Europe has gone ape for diesel cars, but does anyone know how this relates to how our machines work? Are the power/efficiency/emissions/noise/dependability issues the same?

    As I understand it, Cummins has only recently taken on our Kukje engines in their small engine line, and it doesn't make sense for them to have entered into this relationship with an obsolete design. Can any dealers/mechanics/experts shine any light on what matters and what doesn't?

  4. #4
    Elite Member
    Join Date
    Nov 2005
    Posts
    2,996

    Default Re: 10/20 Series IDI Engines?

    I tried to reply to this earlier, it seems to have got lost.

    Agriculture and marine tend to be "late adopters" of technology advances. It doesn't necessarily mean that their designs are "obsolete", rather that they incorporate design elements that are mature.

    I wouldn't have wanted, for example, to have gone through something similar to the Ford 6.0 Powerstroke engine "New Technology" issues of the last few years on a tractor.
    HPCR is good, it is getting better, it still seems to need ultra clean fuel, I don't think it is ready for the Ag market - not at the compact tractor level anyway.

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