2012
Peterbilt Model 579
The aerodynamic Model 579 introduced fuel-saving technologies including integrated roof fairings, full chassis side skirts, and a SmartTorque2 engine strategy. Its PACCAR MX-13 achieved class-leading fuel economy.
Heavy Truck
Technical Specifications
| Engine | 12.9L PACCAR MX-13 turbodiesel I6 |
| Horsepower | 510 hp |
| Torque | 2,237 Nm |
| Transmission | 12-speed Eaton UltraShift Plus |
| Drivetrain | 4×2 / 6×4 |
| GVWR | 36,000 kg |
|---|---|
| Payload | 22,000 kg |
| Fuel Type | Diesel |
| Length | 9,600 mm |
| MSRP Range | $170,000 (USA, 2012) |