Mercedes OM421 engines reach 216 hp. (159 kW). The working area of these motors is 11 liters. These are 6-cylinder engines with 12 valves, which, at low operating costs, provide sufficient power for an average load.
A distinctive feature of the Mercedes OM 421 engines is that they achieve high performance at low revs. These units are equipped with a turbocharging system, which allows them to increase their power with relatively small cylinder volumes. The cylinders are V-shaped in them. Prechamber fuel injection is carried out by a mechanical injection pump.
Specifications
| Engine’s type | diesel |
| Also called | OM 421 |
| Production years | 10.1981 |
| End of release | 02.1993 |
| Power output, hp / kW | 213 / 159 at 2300 rpm |
| Displacement, cc | 10964 |
| Number of cylinders | 6 |
| Valves | 12 |
| Torque output, Nm / rpm | 1200 |
| Compression ratio (compression) | 16.9:1 |
| Cylinder bore, mm | 128 |
| Piston stroke, mm | 142 |
| Crankshaft bearings | 4 |
| Configuration | V |
| Fuel type | diesel |
| Fuel system | inline injection pump |
| Cylinder head | OHV |
| Timing mechanism | spur gear |
| Timing | rocker arm |
| Cooling | water |
