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Case Tractors Discussion Forum
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Case's first dsl., was there some Cummins influence?

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dboll

12-25-2011 07:07:42




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I am currently overhauling an 855 Cummins engine. Besides the differences in the injection systems there are some similarities between the 855 and the Casedsl. engines. It has been accepted thet Case designed their own engines and while this may be true it makes me wonder if they didn't borrow some design ideas from other engine builders. This has certainly been done in other facets of industry. I know the 855 was'nt being made in 1955 but Cummins was making diesels long before Case.

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Jim in Sask

12-25-2011 08:17:19




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 Re: Case's first dsl., was there some Cummins influence? in reply to dboll, 12-25-2011 07:07:42  
The story I heard many years ago, probably more myth than truth, was the Case diesel was designed by the same fellow that designed the diesel motors for the German U-boats in World War II. It's possible I guess, given the fact German rocket scientist von Braun became the main force behind the US space program, etc.



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chess

12-25-2011 08:14:37




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 Re: Case's first dsl., was there some Cummins influence? in reply to dboll, 12-25-2011 07:07:42  
Didnt Case have a german engineer design the first Case diesel?



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dboll

12-25-2011 09:46:27




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 Re: Case's first dsl., was there some Cummins influence? in reply to chess, 12-25-2011 08:14:37  
They consulted with Hans Fischer from Lanova but my understanding was that more pertained to the injection system, I'm not talking about any collaboration with Cummins just maybe some shared designs, we know Case had a Cummins engine in the 32-33 time frame



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JW

12-25-2011 07:38:04




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 Re: Case's first dsl., was there some Cummins influence? in reply to dboll, 12-25-2011 07:07:42  
I always thought either Case influenced MM or the other way around. Lavorna injection, multiple cyl heads and even the cubes were the same. Also share the low rpm/high torque theory.



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mechanicfred

12-25-2011 07:24:21




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 Re: Case's first dsl., was there some Cummins influence? in reply to dboll, 12-25-2011 07:07:42  
The way I read it. It was'nt till cummins started building the 3.9, 5.9, and so on. Case designed and Cummins built.



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dboll

12-25-2011 07:53:50




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 Re: Case's first dsl., was there some Cummins influence? in reply to mechanicfred, 12-25-2011 07:24:21  
pretty hard to believe that they didn't get ahold of some engines from others and investigate them for ideas



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JohnDy

12-25-2011 08:34:08




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 Re: Case's first dsl., was there some Cummins influence? in reply to dboll, 12-25-2011 07:53:50  
According to Full Steam Ahead case had a Cummins in house in 1933 to study but Clausen didn't want batteries in farm tractors. Slowed development. Then they worked to use the Hasselman engine which was used in the L and LH as most of these were exported as power units plus some tractors were built and mostly exported also. The 500 has a Case developed diesel which again came from in-house work from the 30's on. Did include studies of the Cummins and much work on the Hasselman unit. Would have been interesting to see what would have happened to the farm market if Case would have brought out the "500" with a six-speed transmission in 1948. Man. when I was a kid at home on the farm that would have been something to plow and disk with!!!!

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j hikemper

12-25-2011 08:54:08




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 Re: Case's first dsl., was there some Cummins influence? in reply to JohnDy, 12-25-2011 08:34:08  
imho clausen was a blight on case developement ,,,King verses peasant mentality when it came to his striking workers and his loyal dealers and customer base ,.. imagine six or 8 speeds in all case tractors BEFORE W W 2 ,OIL FILTERS as Standard equipment , a standardized 3 pt hitch with draft control after paying harry ferguson his royalty ,choice of diesel or gasser,with all electric starters and lites ,,. and the erasure of the SC and r series from the drawing bd , the vac would had been allowed to have more WHOUP instead of being detuned with a inferior magneto that dropped horsepower and wrecked cases reputation durin the early 40s

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JohnDy

12-25-2011 09:50:53




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 Re: Case's first dsl., was there some Cummins influence? in reply to j hikemper, 12-25-2011 08:54:08  
Not to beat a dead horse but as you and most Case followers know Clausen should have been gone, the V, S, D, and L series all should have been one higher, IE V should have been the S and and so on, diesels in the new D and L's with six speeds, the engineers said no problem and had a 6 speed for the new "VA" series. Too late for what ifs now!!!



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Jimmie D. Phelps

12-26-2011 10:07:05




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 Re: Case's first dsl., was there some Cummins influence? in reply to JohnDy, 12-25-2011 09:50:53  
Even the case crossmount was better than the competion, but the C and L were way ahead of all the tractor companys. The thing you have to remember the depression years. Many companys went out of busness because of it. World War II saved the rest. So when the war was over Clausen contined his cautious ways to the company's detrament. My dad was that way about buying land so he never became a big land owner, which we know today would have been good. We can all see the way it should have been.

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