| Truck Type | Sleeper Truck |
| Engine Make | Cummins |
| Engine Model | X15 |
| Engine HP | 500 |
| Trans Make | EATON/FULLER |
| Trans Model | RTLO18913A |
| Suspension Type | AIR LEAF |
| Axle Configuration | Tandem |
| FA Capacity | 13000 |
| RA Capacity | 46000 |
| Rear End Ratio | 3.73 |
| Wheelbase | 243 |
| Front Wheels | ALUMINUM |
| Rear Wheels | ALUMINUM INNER/OUTER |
| 5th Wheel | Airslide |
| Sleeper Size | 80 |
| Engine Brake | Yes |
| Color | GREY |
| Interior | CLASSIC III |
| Fuel Type | Diesel |
| Tank #1 Capacity | 100 |
| Tank #2 Capacity | 100 |
| Suspension Make | PETERBILT |
| Trans Type | 13 Speed |
| Serial No. | 1XPBD40X0MD742140 |
| Odometer | 497,975 |
2021 PETERBILT 579 X15 500HP WITH A 13SPD MANUAL TRANSMISSION 373GR & 243" WHEELBASE DUAL 100GAL TANKS 10 NEW TIRES FRESH DETAIL & DOT FINANCE AND EXTENDED WARRANTY AVAILABLE FOR MORE INFORMATION GIVE US A CALL TODAY AT MHC KENWORTH FORT WORTH (817)740-2300