The diesel engine manufactured by Mercedes-Benz is 4-stroke and has a displacement of 9572 cc, which corresponds to approximately 575 cc. It belongs to the 400 engine series, which began development in 1969 and complements the 300 engine series.
The OM 401 engine is the first generation of V6 diesels of the 400 series. The engine was released in 1975 and developed 192 hp (141 kW), today these figures are increased to 313 hp (230 kW). Most of the engines were manufactured for export. The OM401 is the smallest of the 400 series V-engines, but it also has turbocharging and high fuel efficiency.
Explanation of OM401 marking
| OM | Heavy Fuel Oil (Diesel) ICE |
| 401 | Engine type: 6-cylinder V-shaped. |
Specifications
| Manufacturer | Mercedes-Benz |
| Also called | OM 401 |
| Production years | 1975 |
| Cylinder block alloy | cast iron |
| Fuel system | direct injection |
| Configuration | V |
| Number of cylinders | 6 | Valves | 12 |
| Piston stroke, mm | 130 |
| Cylinder bore, mm | 125 |
| Compression ratio | 16.75:1 |
| Displacement, cc | 9572 |
| Power output, hp | 313/2000 |
| Torque output, Nm / rpm | 1600/2000 |
| Fuel type | diesel |
| Euro standards | Euro II |
| Firing order | 1-4-2-5-3-6 |
| Engine lifespan, thousand km — official information |
1 000 |
What is the consumption of that engine? Thanks!