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