Heavy-duty Engine Oil Specifications

FA-4 Gains Ground

FA-4 Gains Ground

March 4, 2021

Protecting the internal components of heavy-duty engines is about more than efficiency. High-quality engine oil is the l ...

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API Begins 2021 Monitoring Program

January 13, 2021

The American Petroleum Institute announced the start yesterday of the 2021 cycle of its Aftermarket Audit Program, sayin ...

Heavy-duty Shifts to Lighter Oils

Heavy-duty Shifts to Lighter Oils

October 28, 2020

The heavy-duty diesel engine oil market is gradually shifting to lower-viscosity products, with advancing technology and ...

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Dexos1 Gen 3 Tests Available Sept. 1

August 12, 2020

General Motors’ proprietary tests required for its Dexos1 Gen 3 passenger car engine oil licensing will be available b ...

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Automotive

June 2, 2020

Steve Swedberg discusses why the API CH-4 heavy-duty engine oil service category may soon be phased out.

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Automotive

February 14, 2020

Steve Swedberg makes an argument for more widespread adoption of API FA-4 engine oils.

Balancing Viscosity, Wear in HDEOs

Balancing Viscosity, Wear in HDEOs

January 8, 2020

Pressure is building for the heavy-duty engine oil market to begin shifting to lower viscosity grades, but lighter oils ...

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Worries Raised Over Heavy-duty Engine Tests

January 8, 2020

The next heavy-duty engine oil category in North America is not expected for seven years, and industry insiders worry th ...

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Gauging Past, Future Heavy-duty Engine Oils

September 18, 2019

Maintaining older categories when the industry is at risk of not having the necessary engine tests to keep them alive is ...

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Quick Uptake Forecast for GF-6

September 11, 2019

ILSAC GF-6 will be four years late by the time it comes to market next May, but it will take little time for the industr ...

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FA-4 Oils Make Gradual Inroads

September 11, 2019

Although managers of heavy-duty truck fleets understand the fuel economy benefits of API FA-4 engine oils, many remain h ...

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On the Heavy-duty Horizon

August 19, 2019

With stricter emissions regulations looming, the industry is already catching a glimpse of PC-12.

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COAT Engine Test Back in Business

May 22, 2019

The American Petroleum Institute announced on May 15 that the Caterpillar Oil Aeration Test, or COAT, was again availabl ...