Production of the water-cooled, four-cylinder in-line MAN D0824 engine began in 1993. This engine is Euro 2 compliant. The MAN D 0824 has a damper (stabilizer) with balancing weights that eliminates dynamic imbalance, which manifests as vibration.
Crankshaft-driven helical gears on the cylinder block’s front wall power the distribution mechanism in these engines. There are four camshaft bearings. Each bearing has a diameter that ranges from 50.091 to 50.94 mm. The fuel delivery system consists of an electronic control system (EDC) and a multi-section fuel pump with RQV (all speeds).
Specifications
| Manufacturer | Man |
| Also called | D0824 |
| Configuration | inline 4-cylinder supercharged |
| Number of cylinders | 4 |
| Piston stroke, mm | 125 |
| Cylinder bore, mm | 108 |
| Displacement, cc | 4580 |
| Power output, kW / hp | 114 / 155 |
| Max torque output, Nm | 579 |
| Euro standards | Euro 2 |
| Weight, kg | 360 |
Each cylinder head in the D0824 has a rocker arm that is supported by two bearings. A single head can accommodate two cylinders. Every valve has a single spring. The springs on the intake and exhaust valves are the same. A gear-type oil pump that is fastened to the back wall of the timing case provides the pressure in the engine lubrication system. A gear that meshes with the idler gear powers the pump. A heat exchanger on the cylinder block’s left wall cools the oil.
The unloader valve is situated next to the oil filter in the cylinder block in an upright position. The underside of the piston head is cooled by oil jets. They get their oil from the main circuit. A centrifugal pump installed on the cylinder block’s front wall creates the pressure in the cooling system of MAN engines. A belt from the crankshaft pulley powers the pump.
Multi-section fuel pumps are a feature of MAN D 0824 engines. A gear that meshes with an intermediate gear drives the pumps, which are fixed on the left side of the rear wall of the distribution mechanism’s crankcase.
High-pressure fuel pumps can have an electronic control system (EDC) that replaces the regulator and regulates the pump operation, or an RQV regulator that is fixed to the pump crankcase (casing) at all speeds, depending on the engine’s intended use. In accordance with the information received from the senders that regulate the engine operating mode, coolant temperature, air temperature, and boost pressure, the EDC system controls the fuel consumption based on the load.
Explanation of marking D0824
For a truck with an engine under or behind the cab, this diesel engine has four cylinders, a diameter of 108 mm, a stroke of 125 mm, direct injection, and water cooling of the charge air.
| D | The fuel that the engine runs on is diesel |
| 08 | Cylinder diameter, mm – 108 |
| 2 | Piston stroke, mm – 125mm |
| 4 | Number of working cylinders |