Synthetic engine oil

Nov 22, 2010

The Supreme 9000 full synthetic engine oil, available in grades SAE 5W-30 for gas and diesel engines and SAE 5W-40 for diesel engines requiring low emission certification or equipped with EGR or DPF systems, is formulated with specialized, proprietary additives to reduce friction and lower engine temperatures. The oil is also rated for temperature condition extremes with high pumpability at low temperatures and resistance to thermal degradation at high temperatures.

SHAEFFER OIL, www.schaefferoil.com

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See the full infographic below for more detail on how focused the shaded states are compared to the national average for hours of service violations.

The hours enforcement 'black hole' out West

Nationally, hours of service violations were issued in smaller numbers in 2020, continuing a long-term trend. Yet looked at another way, the intensity of focus on hours in inspections has increased, particularly so in these contiguous states.

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The Business Manual for Owner-Operators

Overdrive editors and ATBS present the industry’s best manual for prospective and committed owner-operators. You’ll find exceptional depth on many issues in the 2021 edition of Partners in Business.

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