• With new CK-4 engine oils now on the market and in your trucks, you’re sure to be enjoying longer drain intervals and fewer oil changes. That’s because the advanced wear protection and viscosity control of this new class of oils can better handle higher underhood temperatures for longer periods of time than previous oil formulations.

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  • Leaking radiators can do more than just reduce a truck’s fuel economy. They can also lead to low power, engine overheating and substandard emissions due to damaged hoses, head gaskets, thermostats, sensors, EGR coolers and diesel particulate filters.

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  • You’ve always trusted Mack® Engine Oil to provide the very best protection for your Mack truck. But, as you may have heard, our formula recently changed. However, there’s no need to be alarmed. Because our new formula isn’t just different – it’s better. Much better. Here’s why.

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  • Snow, ice, slush, fog – winter weather can be a real inconvenience for a heavy-duty truck driver. But more importantly, it can also be a real danger.

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  • Regular oil changes are probably the most important preventive maintenance (PM) check you can perform on your Mack® truck. That’s because dirty oil can clog your engine, leading to reduced fuel efficiency, premature wear and unplanned downtime.

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