Based on the successful M 43 C MaK medium speed engine, the M 46 DF was designed by Caterpillar Motoren, Kiel to meet and exceed the reliability and lifetime expectations of the M 43 C while maintaining its class leading position regarding operational efficiency. With its clean design, the M 46 DF does allow fast and easy access to the system and components supporting the operation, service and maintenance simplicity MaK products are known for. Designed to operate on gaseous- as well as liquid (MDO HFO) fuels, the M 46 DF will meet IMO III emission limits while operating in gas mode and injecting a small amount of ignition fuel to control combustion. Attention was paid to the customers´ demand for a safe and reliable operation at varying engine loads and gas qualities.
| Power Range | 10800 - 15440 kW |
| Speed Range | 500 / 514 rpm |
| Emissions | IMO II in diesel mode / IMO III in gas mode |
| Aspiration | Turbocharged |
| Bore | 18.11in |
| Stroke | 24.02in |
| Rotation from Flywheel End | Counterclockwise / Clockwise |
| Configuration | 12,16 Cylinder |
| Swept Volume | 6181.7in³ |
| Minimum Dry Weight | 352740lb |
| Minimum Length | 387.7in |
| Maximum Length | 470.2in |
| Minimum Height | 200.7in |
| Maximum Height | 201.7in |
| Minimum Width | 153.1in |
| Maximum Width | 158.5in |
| Air Inlet System |
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| Control System |
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| Cooling System |
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| Exhaust System |
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| Fuel System |
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| Gas System |
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| Instrumentation |
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| Lube System |
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| Mounting System |
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| Starting System |
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| General |
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| Air Inlet System |
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| Control System |
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| Cooling System |
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| Exhaust System |
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| Fuel System |
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| Gas System |
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| Lube System |
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| Mounting System |
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| Propulsion System |
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| Starting System |
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| General |
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