This story appears in the June 29 print edition of Transport Topics. Old habits are hard to break, but engine parts that are tightened beyond specifications can be easy to break. For many engine ...

Torque-to-yield (TTY) bolts, also known as angle torque or stretch bolts, are fasteners designed to be tightened beyond their elastic range and into a controlled yield zone. Their job is to apply a ...

When your foot is blue and your motor is reaching for the moon, we know what you're thinking: It's a good thing this engine's rock solid. At least we hope that's true. And as important as good-quality ...

A little while ago I had one of those immensely annoying – and unwinnable – arguments in an online forum with a guy I’d never met. You’d think the touchy topic was the wisdom of wearing a face mask (I ...

Don’t let the classic inline-six layout of the all-new MAN D3876 fool you. This 15.2L truck engine is packed with the latest in diesel technology to make it powerful, efficient, and clean enough to ...