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Re: SOS ORC Adjustment


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Posted by Larry NCKS on November 04, 2012 at 13:54:32 from (70.198.10.234):

In Reply to: SOS ORC Adjustment posted by RodInNS on October 29, 2012 at 16:55:48:

Because of the components used in R2, it does work the engine work harder. You'll notice that any of the overdrive ratios (the ones that apply band 1 rather than the ORC or DDC clutch) make the engine work a bit harder, especially before the transmission is warmed to normal operating temperature. These ratios are R2,3,4,7,8 &10.

If your transmission goes to neutral in 6 and R1 once in awhile I'd say your ORC sprag is beginning to fail. I'll wager you'd notice that in 1,2,5 & 9 as well if operated in any of those ranges long enough.

There is no C in any serial number until you get into the later *000 tractors.

The raised casting number on the left side of the transmission case on a DDC generally is C*NN 7006 B . The * can be a 0 or 3 in an updated *01 or an early *000 series tractor. I'd have to look the ORC casting number up, but it's a six digit number that contains no letters. Oddly enough, I have run onto a prior 4000 row crop with the ORC casting number on a DDC transmission.


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