| Configuration | In-line, 6-cylinder, 4-stroke diesel |
| Aspiration | Turbocharged/ Aftercooled |
| Displacement | 8.3 L |
| Bore & Stroke | 114 X 135 mm |
| Rotation | Counterclockwise facing flywheel |
| Fuel System | High Pressure Common Rail |
| Overall Length | 1422.0 mm |
| Length of Block | 856.0 mm |
| Overall Width | 977.5 mm |
| Overall Height | 981.6 mm |
| Weight | 896 kg |
| Model | kW | MHP | BHP | Speed (RPM) | Rating | Emissions | |
| QSC8.3 | 368 | 500 | 493 | 2600 | High Output | IMO 2 | EPA 3 | RCD 2 | |
| QSC8.3 | 404 | 550 | 543 | 3000 | High Output | IMO 2 | EPA 3 | RCD 2 | |
| QSC8.3 | 441 | 600 | 592 | 3000 | High Output | IMO 2 | EPA 3 | RCD 2 |
| Model | kW | MHP | BHP | Speed (RPM) | Rating | Emissions | |
| QSC8.3-SW | 368 | 500 | 493 | 2600 | Intermittent | IMO 2 | |
| QSC8.3-SW | 368 | 500 | 493 | 2600 | Intermittent | IMO 2 | EPA 3 | |
| QSC8.3-KC | 368 | 500 | 493 | 2600 | Intermittent | IMO 2 | EPA 3 | |
| QSC8.3-SW | 395 | 537 | 530 | 2800 | Intermittent | IMO 2 | EPA 3 | |
| QSC8.3-SW | 441 | 600 | 592 | 2800 | Light Duty Commercial | IMO 2 | EPA 3 | |
| QSC8.3-KC | 441 | 600 | 592 | 2800 | Light Duty Commercial | IMO 2 | EPA 3 |