Posted by wisbaker on June 24, 2020 at 09:09:09 from (173.30.33.249):
In Reply to: Rotella T4 posted by 550Doug on June 24, 2020 at 07:14:10:
look and see what ratings it has. You should see a "C" (compression)rating which is for diesel engines and a "S" (spark)rating. If the "S" rating meets or exceeds the rating required for your tractor you should be good. As others have mentioned the newest and latest "S"oils have charastics to preserve emission components, catalytic convertors to be specific, at the cost of protection for camshafts and flat tappets. If the Rotella T-4 doesn't have the latest "S" rating it may be better for your engine than the newest "S" spec oil.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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