Jacobs Vehicle Systems, a worldwide manufacturer of engine retarding and valve actuation systems for the commercial vehicle industry, has upgraded the company’s engine brake on model-year 2021 MX-11 ...

The California Air Resources Board has certified the Paccar MX 12.9-liter diesel engine to the 2010 emission standards. In conjunction with the engine's EPA 2010 certification, the CARB certification ...

You might be tempted to say that Paccar’s MX Diesel Engine is all-new. But if Paccar Chairman and Chief Executive Officer Mark Pigott were close enough to hear, he’d quickly correct you. “While it’s ...