The 6.7-liter Paccar PX-7 delivers performance, minimizes operational costs and maximizes uptime for medium-duty customers. The engine has a standard base warranty of two years with no mileage limit.
The 8.9-liter Paccar PX-9 possesses one of the highest power-to-weight ratios in its class with heavy-duty features such as replaceable wet liners, roller cam followers, bypass oil filtration and targeted piston-cooling. The engine has a standard base warranty of two years or 250,000 miles, whichever comes first.
Kenworth offers two extended warranty protection plans with each offering a total of 20 different duration and mileage combinations. In addition, there are nine engine aftertreament options available in conjunction with Protection Plan 1 only. Overall, extended warranty coverages range from three to seven years and from 100,000 to 300,000 miles.