| Truck Type | Day Cab |
| Engine Make | Cummins |
| Engine Model | X15 |
| Engine HP | 400 |
| Trans Make | Paccar |
| Trans Model | EEO-16F112C12 |
| Suspension Type | Low Air Leaf |
| Front Tire Size | 22.5 |
| Rear Tire Size | 22.5 |
| Axle Configuration | Tandem |
| FA Capacity | 13200 |
| RA Capacity | 40000 |
| Rear End Ratio | 2.79 |
| Wheelbase | 186 |
| Front Wheels | All Aluminum |
| Trans Speed | 12 Speed Automatic |
| 5th Wheel | Airslide |
| Engine Brake | Cummins Interbrake |
| Color | WHITE |
| Engine Serial | 80284337 |
| Fuel Type | Diesel |
| Tank #1 Capacity | 70 |
| Tank #2 Capacity | 90 |
| Interior Color | GRAY |
| Serial No. | 1XPBD49X7MD754384 |
| Odometer | 538,127 |
Very clean 2021 Peterbilt 579 for sale! Powered by a Cummins X15 engine, this truck features a 12-speed automatic transmission for one smooth ride. This truck has been regularly maintenance and comes with a DOT inspection. Please call TLG Peterbilt for pricing information and in-housing financing options!