John Deere Maintenance Monday: Purpose of a coolant | Living the Country Life
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John Deere Maintenance Monday: Purpose of a coolant

Ensuring your coolant system is doing its job in extreme temperatures

Radio interview source: Dennis Buckmaster, associate professor of agriculture and biological engineering, Purdue University

Listen to the radio mp3

What is coolant?

In this edition of Maintenance Monday, we're answering a question from Maggie in Idaho. She's new to the tractor world and wants to know about the coolant system and how to make sure it's doing the job during the temperature extremes in her area.

Ag engineer Dennis Buckmaster at Purdue University says coolant is meant to protect the tractor engine in the hottest of summers and the coldest of winters. It's made up of a mixture of anti-freeze and water.

"The purpose of the coolant is to take the heat away from the engine, carry it to the radiator which then dispenses the heat to the environment and get it out of the engine," Buckmaster explains.

The antifreeze in the blend increases boiling temperature, reduces freezing temperature, inhibits rust, and provides lubrication.

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