The PACCAR Powertrain maximizes your miles on the road and your payload capacity with one integrated solution. From the durable PACCAR MX Engines to the efficient 12-Speed Automated Transmission and the 40K Tandem Axle, every component is engineered to work together seamlessly.
The driver-friendly interior of the Model 579 offers all the comforts of home and more special touches. With 8 feet of headroom, 70 cubic feet of storage and the largest mattress in the industry, the spacious sleepers can double as a comfortable and convenient office.
