Mack Trucks announced extended engine oil drain intervals for customers using its newly formulated Mack Engine Oil EOS-4.5. Depending on the application, oil drain intervals have been extended by up to 15,000 miles compared with previous formulations, helping reduce customer maintenance costs. Introduced as the factory fill in Mack’s 2017 engines, genuine Mack Engine Oil EOS-4.5 also extends drain intervals…
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