The MAN D2566 is a six-cylinder diesel engine manufactured by MAN. Every member of this family is high-performing and possesses exceptional technical qualities.

There are multiple variations of this engine in the series, each with a different power.
- D2566 MT: This model lacks a turbocharger and has a maximum power of 206 kW.
- The D2566 MTE variant generates 147-241 kW.
- D2566 MTF, which comes in versions MTSF, MTH, and MTFG, has a 206 kW power.
- D2566 MTHO: 235 kW of power is possible.
Specifications
| Engine’s type | diesel |
| Power output, hp / kW | 320 / 235 at 2200 rpm |
| Displacement, cc | 11413 |
| Number of cylinders | 6 |
| Valves | 12 |
| Compression ratio (compression) | 18:1 |
| Cylinder bore, mm | 125 |
| Piston stroke, mm | 155 |
| Crankshaft bearings | 6 |
| Configuration | inline |
| Fuel type | diesel |
| Fuel system | inline injection pump |
| Turbine | intake |
| Cylinder head | OHV |
| Timing mechanism | spur gear |
| Timing | rocker arm |
| Cooling | water |
