Posted by Texasmark1 on August 20, 2015 at 19:26:36 from (198.45.234.19):
In Reply to: Engine oil temperature posted by J. Schwiebert on August 20, 2015 at 18:14:03:
I bought a non contact infrared thermometer, actually 2 of them, from HF and checking engine temps was one of my reasons. I had a '79 JD 4230, 100 PTO HP, with cab and ac. I was rolling 5x6 rounders one hot summer day and when I got home, took all of about 10 minutes and in road gear.....engine didn't have time to cool off, I got one and made some measurements. The pan measured around 275F in several spots. The exhaust manifold and all was around 575. Water and along the cylinder area was around 190 as I recall.
In all I was surprised that the oil wasn't hotter. I made similar measurements on air cooled lawn mowers and was surprised about that.....engines were around 20 hp some above some below.
So the oil isn't getting worked as hard as I originally assumed. Amazing how good a job the flywheel fan on an air cooled engine does.
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