1. Maria

    Paccar announces updates to MX-13 and MX-11 engines, new proprietary axle

    Paccar is launching new power, torque and fuel efficiency enhancements to its MX-13 and MX-11 engines for North America. The maker of Peterbilt and Kenworth trucks released details this week at a press conference in Las Vegas. Paccar increased the MX-13 engine’s output to 510 hp and 1,850 lb-ft...