Paccar Updates MX Engines & Drive Axles

Paccar MX13 Engine

Available in Kenworth and Peterbilt trucks in January will be new power, torque and fuel efficiency enhancements to Paccar MX-13 and MX-11 engines for North America. Nearly 50% of Peterbilt and Kenworth heavy-duty trucks currently are produced with Paccar MX engines, according to Sproull. Paccar increased the MX-13 engine’s output to 510 hp and 1,850 lb-ft of torque and increased the MX-11 engine’s output to 430 hp and 1,650 lb-ft…

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