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JD Discussion Question

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zane

12-16-1999 17:17:29




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JD came out with the L and LA in the 40's, and the 30 and 40 series tractors in the early 50's. Until then, and since the 20's, JD had produced only horizontal, 2-cylinder tractors. These new tractors featured vertical engines, but they were still 2-cylinders. Why did JD stick with the 2-cylinder design for their first vertical engines? Certainly, 4-cylinders were smoother, and probably easier to manufacture. Was JD hanging on to the "pop-pop" for the sake of brand ID, but trying to get its loyal farmer/customers accustomed to vertical engines; i.e., do you think these models were intended by JD to be interim, transitory machines?

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docster

12-18-1999 02:52:39




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 Re: JD Discussion Question in reply to zane, 12-16-1999 17:17:29  
Actually, I believe JD didn't even make their own 2 cylinder upright, for the first testing... Wasn't that a Novo motor in the first Y or 62?

I suppose they saw it would work and for the size figured a 4 cylinder would just be overkill...

Just speculation on my part...

Merry Christmas!

Doc



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Dick C

12-17-1999 19:01:28




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 Re: JD Discussion Question in reply to zane, 12-16-1999 17:17:29  
Much has been written about the two vs. four configuration, and one of the arguments in favor of the two was the continued use of the so called "low cost fuel". For years the two cylinder JD could outperform any of the fours when operating on distillate, a distinct operating cost advantage. Once the price of gasoline dropped and the quality improved, the operating advantage of distillate disappeared. Marketing also had spent much time and money promoting the twins and was reluctant to give up this unique advantage.

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Todd

12-17-1999 11:37:45




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 Re: JD Discussion Question in reply to zane, 12-16-1999 17:17:29  
The "Y" model tractors which evolved into the "62" and later into the L and LA, were designed by Deere to be sold and delivered for $500 or less. In order to meet that price, the engines had to be purchased rather that made by Deere. The engine first used was the Novo C-66, but due to its 1 quart oil capacity, it starved of oil on hillsides, so Deere went to a Hercules NXA for the new "Y" tractors. The model 62 and later the unstyled L inherited the NXA Hercules engine. It has been said that Deere stayed with the 2 cylinder so long because of simplicity and durability. The reason they used the upright engine in these tractors is because it was the only way possible to keep the cost below that $500 mark. They even had to get the steering wheel, steering box, and transmission from Ford, these parts were borrowed from the Model "A" Ford car! Todd in TN

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zane

12-17-1999 17:26:43




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 Re: Re: JD Discussion Question in reply to Todd, 12-17-1999 11:37:45  
Todd: Thanks for your very informative remarks.



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Chuck

12-16-1999 19:31:12




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 Re: JD Discussion Question in reply to zane, 12-16-1999 17:17:29  
I think that JD and 2 cylinder were inseperable....I don't think there has ever been a more durable tractor



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