Kenworth Truck Company

PACCAR MX-13 Engine

The PACCAR MX-13 12.9-liter engine offers up to a 3.5% improvement in fuel economy for linehaul and vocational heavy-duty trucks.

  • Utilizes the latest common rail fuel-delivery technology
  • Rated at up to 500 hp and up to 1,850 lb-ft of torque
  • Equipped with On-Board Diagnostics (OBD) to monitor emission system performance
  • Available for Kenworth Class 8 models including the T660, T680, T700, T800, T880 and W900

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