Luke Sharrett/Bloomberg News

Mack Trucks announced extended engine oil drain intervals for customers using its newly formulated genuine 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, the truck maker said.

Introduced as the factory fill in Mack’s 2017 engines, EOS-4.5 also extends drain intervals for all 2011 and newer Mack engines, the Greensboro, North Carolina, company said.

Mack is a unit of Sweden-based Volvo Group.

“There is a misconception that Mack Engine Oil EOS-4.5 is simply a rebranded version of the other engine oils on the shelf, and nothing could be further from the truth,” Scott Barraclough, Mack technology product manager, said in a statement. It “is a proprietary formula that is tested and approved with Mack equipment, which allows us to extend drain intervals.”

Drain intervals have been extended to 60,000, 50,000 and 40,000 miles for longhaul, regional-haul and heavy-haul applications, respectively; during the life of a Mack truck, these extensions allow customers to skip between four and 16 oil drains, helping save hundreds of dollars per year per truck, Mack said.

Also, the oil can be used anywhere API CK-4 oils are recommended and also is fully backward compatible with all API CJ-4 applications, Mack said.

By Transport Topics


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