While 40-year-old engines might not be expected to be the most reliable today, a certain diesel engine has found itself with an incredible reputation.

By Apratim Sarkar and Aatreyee Dasgupta Feb 5 (Reuters) - U.S. truck engine maker Cummins on Thursday posted a marginal rise in fourth-quarter revenue, on the back of strong demand for its power ...

With a Master's degree in English Literature and six years of writing experience, Aayush has been contributing to TopSpeed for over two years. Since 95% of his personality is motorcycles, he goes ...

This cast-iron brute defies mileage limits, propelling trucks to unimaginable distances.

Aaron, a 27-year automotive technician and lifelong car enthusiast, attended Specs Howard School of Media Arts and learned the fundamentals of digital video and editing, shot composition and writing.

The 11.9-liter QSX11.9 and 15-liter QSX15 Heavy-Duty engines are supplied as fully integrated air-intake-to-exhaust aftertreatment systems to meet 2011 EPA Tier IV Interim/EU Stage IIIB regulations.

Q4 2025 earnings call recap: record EBITDA/EPS, 2026 revenue growth outlook, tariff/EPA27 risks, Accelera reset—read now.

Cummins Inc. ( CMI) Q4 2025 Earnings Call February 5, 2026 10:00 AM EST Nicholas Arens - Executive Director of Investor Relations and Business Analysis & Planning Jennifer Rumsey - CEO & Chairman of ...

Natural gas is quietly building a reputation as a clean, affordable, and reliable alternative fuel for long-haul trucks. And Ian MacDonald with Hexagon Agility says the Cummins X15N is a big reason wh ...