Marcopolo YC6J21ON-52, Engine
| Engine capacity | 4,500 cm³ |
| Maximum power (range), hp | 198 |
| Maximum torque, N*m (kg*m) at rpm. | 686 (70) / 2500 |
| Fuel used | Natural gas |
| Engine type | In-line, 4-cylinder |
| Maximum power, hp (kW) at rpm | 198 (146) / 3000 |
| Supercharger | Turbine |
| Number of valves per cylinder (range) | 4 |