PACCAR has patented a method to evaluate Diesel Exhaust Fluid (DEF) quality in emissions aftertreatment systems. By analyzing NOx conversion efficiency in SCR units, the system adjusts DEF dosing to ...

As more OEMs lean on in-house engineering to boost uptime and fuel economy, vertical integration in today’s trucks is as standard as air conditioning. With about 50 percent of all new Paccar trucks ...

As more OEMs lean on in-house engineering to boost uptime and fuel economy, vertical integration in today’s trucks is as standard as air conditioning. With about 50 percent of all new Paccar trucks ...