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Tractor Talk Discussion Forum

1468 and 1568 Farmall fanatics

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plow hand

01-27-2008 18:10:49




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Hey is it true about these two they did not run on all cyl.unless they were pulling?they are some beauties I must say even though I bleed green.




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JoeBob/IN

01-28-2008 12:55:44




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 Re: 1468 and 1568 Farmall fanatics in reply to plow hand, 01-27-2008 18:10:49  
That engine was the DV550. Useless! God awful to replace the injection pump too if you can find one. We just got rid of one that was in an IH 2050A tandem grain truck. Ours idled on 3 and ran on 7 since the pump was shot. No guts! No thinkin went into the idea of putting an engine like that in a large truck. Seriously, how do you start 60,000 lbs when running on 4 cylinders? It is an interesting idea though. In tractor form I can see how it would make sense.

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Owen Aaland

01-28-2008 09:48:42




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 Re: 1468 and 1568 Farmall fanatics in reply to plow hand, 01-27-2008 18:10:49  
The engine operated on four cylinders until about 20 percent load. At 20 percent load the other four cylinders began to receive fuel delivery increasing until about 80 percent load at which point all cylinders were receiving equal fuel delivery.



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James22

01-28-2008 08:47:17




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 Re: 1468 and 1568 Farmall fanatics in reply to plow hand, 01-27-2008 18:10:49  
Yes, they ran on four cylinders at low load to control white smoke (unburned fuel). Sales grabbed the "feature" and marketed it as a fuel saving advantage. By dropping out four cylinders, the load increased on the remaining cylinders which increased combustion temperature, and lowered/eliminated white smoke. Probably did improve fuel consumption a little at low load operation, because fuel was being utilized rather than just being spewed out. I read somewhere that they were built only because IH needed to move more V8's, and offering them in tractors was a means to get rid of them.

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Howard H.

01-27-2008 21:58:59




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 Re: 1468 and 1568 Farmall fanatics in reply to plow hand, 01-27-2008 18:10:49  

One of my buddies that's an IH fanatic has one - it sure is a keen old tractor, but really not that powerful...

I was surprised to learn it wasn't even 130 drawbar hp...

Plus, I'm not sure I could ever get used to the "missing" sound at lower revs...


HH



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billonthefarm

01-27-2008 19:15:39




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 Re: 1468 and 1568 Farmall fanatics in reply to plow hand, 01-27-2008 18:10:49  
Yep, its true. I dont know how it worked but they had some deal where it only ran on 4 when it wasnt under load. bill



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railhead

01-27-2008 19:02:31




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 Re: 1468 and 1568 Farmall fanatics in reply to plow hand, 01-27-2008 18:10:49  
if you "bleed green" why are you curious about Farmalls?



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plow hand

01-28-2008 04:05:15




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 Re: 1468 and 1568 Farmall fanatics in reply to railhead, 01-27-2008 19:02:31  
I agree with the man Low Budget 100%.



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low budget

01-28-2008 03:55:09




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 Re: 1468 and 1568 Farmall fanatics in reply to railhead, 01-27-2008 19:02:31  
Lots of us have a preference of brand that we collect or operate on our farm. That doesnt mean we are not interested in learning about competing brands. Some would even be fun to use for an afternoon.



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railhead

01-28-2008 14:41:48




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 Re: 1468 and 1568 Farmall fanatics in reply to low budget, 01-28-2008 03:55:09  
not trying to start a fight, I was just glad that another guy that "bleeds whatever" was seeing that there are more out there. Some maybe beter than what ever you bleed if you will look around. And I do not know the answer to his orig question.



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n8terry

01-27-2008 19:08:00




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 Re: 1468 and 1568 Farmall fanatics in reply to railhead, 01-27-2008 19:02:31  
looks like you are looking for a fight while you are hiding behind your mouse. I was hoping you had an answer to the question.



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