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Discussion Starter · #1 · (Edited)
There's a guy on the "other" forum that's worked up about his new 4520's operating temp.
http://www.tractorbynet.com/forums/showthread.php?t=252315&p=2936832#post2936832
He said:
Temp gauge is 1/2 way to red, hydraulic fluid is at 140* and coolant is at 212 while being dyno'd by the dealer (I assume at max power).
That seems about right to me:good2: I know cars have been running >210* for a number of years now, I suppose for emissions and fuel economy reasons.
I learned from industrial hydraulics that 140 deg fluid is the LOWEST you want to see it; 160-180 is better. Keeps the air and moisture cooked out.
What temps are your new tractors running at?
 

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That is where the guage is at normal operating temps. Mine has worked that way since I got it. I have a thread about the same thiing on here somewhere. It does not feel right and one would think John Deere would recalibrate the guage, but......
 
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