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Tier 4 derate meaning and questions
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John Smith
Posted 9/30/2020 04:24 (#8522328 - in reply to #8521995)
Subject: RE: Tier 4 derate meaning and questions


South Central Illinois
Pulling sprayer?
Not creating enough heat to function.
The urea is probably building up in the exhaust.
Was it running at full rpm?
Without heat the urea creates a plug of urea in the exhaust.
Then the engine derates, or electronically reduces the maximum horsepower.
Eventually it shuts the engine down.
You will need to always run the engine wide open or trade for a smaller tractor.
Idling around doing yard work is going to be a problem.
Maybe a side by side would be a better option?

Edited by John Smith 9/30/2020 05:09
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