Mercedes-Benz MB503 engine
The Mercedes-Benz MB 503 was a German prototype four-stroke V-12 gasoline marine and aircraft engine, designed and concepted before World War II. The MB 503 was based on and derived from the Daimler-Benz DB 603 inverted V-12 aircraft engine. It was a liquid-cooled 12-cylinder inverted V12 enlargement of the DB 601, which was in itself a development of the DB 600.[1][2][3][4] The eventual powerplants chosen to be used in the Panzer VIII Maus super-heavy tank were the MB 509 V-12 gasoline engine, derived from the Daimler-Benz DB 603; and also the MB 517 V-12 diesel engine.
| Mercedes-Benz MB 503 engine | |
|---|---|
| Overview | |
| Manufacturer | Mercedes-Benz |
| Production | 1937-1939 |
| Layout | |
| Configuration | 60° V-12 |
| Displacement | 42.35–44.5 L (2,584–2,716 cu in) |
| Cylinder bore | 6.22–6.38 in (158.0–162.1 mm) |
| Piston stroke | 7.09 in (180.1 mm) |
| Valvetrain | 24-valve, SOHC, two-valves per cylinder |
| Combustion | |
| Supercharger | Roots-type supercharger |
| Fuel system | Fuel injection |
| Fuel type | Gasoline |
| Oil system | Dry sump |
| Cooling system | Water-cooled |
| Output | |
| Power output | 580–1,200 hp (433–895 kW) |
| Torque output | 1,646–2,521 lb⋅ft (2,232–3,418 N⋅m) |
| Dimensions | |
| Dry weight | 790–920 kg (1,742–2,028 lb) |
See also
- Mercedes-Benz MB507 - Diesel variant based on the Daimler-Benz DB 603.
References
- "Maus Engine by CaptianNemo | for the Record". 25 November 2014.
- "How the Wehrmacht's Diesel Stalled".
- "Mercedes-Benz 500 Series Diesel Marine Engines". 5 March 2017.
- "Germany and the T-34".
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