Freightliner M 274 DE 20 AL, Engine
| Engine capacity | 1,991 cm³ |
| Maximum power (range), hp | 156 - 258 |
| Maximum torque, N*m (kg*m) at rpm. | 270 (28) / 4600 |
| Fuel used | Gas/petrol |
| Fuel consumption, l/100 km | 1.8 - 11.2 |
| Engine type | In-line, 4-cylinder |
| Additional engine information | Direct fuel injection |
| Maximum power, hp (kW) at rpm | 156 (115) / 5000 |
| Compression Ratio (Range) | 9.8 - 16.2 |
| Cylinder diameter (range), mm | 83 |
| Piston stroke (range), mm | 92 - 99 |
| Supercharger | Turbine |
| Mechanism for changing cylinder volume | |
| CO₂ emissions (range), g/km | 29 - 184 |
| Valve drive | DOHC |
| Number of valves per cylinder (range) | 4 |
| Start-stop system | |
| Exhaust gas aftertreatment system | Yes |