Heavy Duty Trucking's Top 20 Products awards recognize the best new products and technologies. Check out the award presentations at the 2026 Technology & Maintenance Council annual meeting.

CCJ's 10-44 is brought to you by Chevron Delo heavy duty diesel engine oil. Now there's even more reasons to choose Delo. We're talking coolants again this week, but this time how to know when you've ...

With more advanced engine metallurgy and design, and the demand for increased fuel efficiency and lower emissions, engine operating temperatures have increased more than 40 F in the last 50 years.

Your vehicle is a complicated piece of machinery, and keeping it running smoothly requires periodic inspections and maintenance of its various systems, including your engine’s cooling system and the ...

PEAK, a division of Old World Industries, has released Final Charge coolant testing strips to measure the quality of engine coolant in commercial vehicles. “We all know that high-performing, fully ...