Re: speaking of 2 stroke diesels

Posted by jdemaris on December 19, 2006 at 10:40:52 from (69.67.229.162):

In Reply to: speaking of 2 stroke diesels posted by campo on December 19, 2006 at 07:41:36:

I believe tha Allis Chalmers 262 is an engine they bought from Buda. Buda still sells the parts for the 262 - gas or diesel.

The 6.2 was designed by Detroit Diesel and at that time Detroit Diesel was a division of General Motors. And also at that time - many people that I knew - when using the name "Detroit Diesel" were only referring to the Jimmy two-stroke-cycle diesels. So, it sometimes got confusing and often created arguments. I told a guy once that my Chevy Blazer has a Detroit Diesel in it - which it does (6.2) and he insisted I didn't know what I was talking about.
Anyway - as others have already mentioned - the 6.2/6.5 engine series are all four-stroke-cycle engines. The new blocks now are made by International Engine Company - a division of Navistar and formerly International Harvester.
In regard to the two-stroke-cycle Detroits - and their demise? I was told the following by a Detroit shop owner - true or not - I have no idea. He says they were first banned in California due to oil seepage/leakage - not emissions. He claims that slight oil seepage is part of their design. True? I have no idea - I know all of my 3-71s and 3-53s have always left oil-spots.
In regard to power - versus similar sized engines - I don't think they had much more. Take the 440 Johne Deere. With a gas engine - 113 cubic inches it put out 31 horsepower at 2000 RPM. A 440 with a supercharged 2-stroke-cycle Detroit Diesel with 106 cubic inches put out 32.5 horsepower at 1800 RPM. A similar sized diesel in four-stroke - (not very common that small) - a Deere 1050 (Yanmar) with a 105 cubic inch engine with 33 horsepower at 2400 RPM.
I don't have any torque specs - but I heard stories both ways. Many who drove road-tractor-trailers complained that the Jimmys lacked torque. Many of our Deere customers though, that used Deere crawlers with Detroits claimed they had a more low-end torque than the gas engines.

Replies:

• Re: speaking of 2 stroke diesels massey333 11:04:36 12/19/06 (5)
  • V12 is two V-6s ? Pix jdemaris 12:03:53 12/19/06 (0)
  • Re: speaking of 2 stroke diesels jdemaris 11:46:51 12/19/06 (3)
    • Re: speaking of 2 stroke diesels Jon Hagen 17:20:21 12/19/06 (2)
      • Re: speaking of 2 stroke diesels Jon Hagen 17:38:10 12/19/06 (1)
        • Re: speaking of 2 stroke diesels J Schwiebert 18:02:41 12/19/06 (0)

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