Every year Shell Lubricants rounds up the construction and trucking press to talk about diesel engine lubricants. Last year there was one big news story - the industry's new oil specs CK-4 and FA-4, almost 10 years in the making. See what we wrote about it here: http://bit.ly/2wHJpWP (www.equipmentworld. com/how-the-new-pair-of-heavy-duty-diesel-engine-oil-formulations-will-impact-contractors/)
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