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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Peterbilt Offers Model 579 Daycab Configuration

Peterbilt Model 579 Epiq Daycab

Based on the success of the aerodynamic Model 579 EPIQ sleeper truck, Peterbilt has introduced the aerodynamic, fuel efficient Model 579 EPIQ daycab. Peterbilt Motors Co. announced the new model during the ATA Management Conference & Exhibition, which ends today in Las Vegas. “Fleets wanting to operate fuel-efficient daycabs have been an underserved market, and Peterbilt is pleased to provide the new Model 579 EPIQ daycab,” said Robert Woodall, Peterbilt’s…

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