M 46 DF

Overview

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 reliability and lifetime expectations of its predecessor, while maintaining its class leading position regarding operational efficiency. With its clean design, the M 46 DF allows a fast and easy access to the system and components, supporting 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 meets 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.

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Generator Set Specifications
Minimum Rating5179 kWe (6480 kVA)
Maximum Rating8329 kWe (10422 kVA)
Emissions/Fuel StrategyIMO II in diesel mode, IMO III in gas mode
Engine Specifications
Bore460mm
Stroke610mm
Configuration6,7,8,9 Cylinder
Swept Volume88.6l/cyl
Generator Set Dimensions and Weights - Dependent on Generator Type
Width3400 mm (133.9 in)
Weight178 t - 240 t (392422 lbs - 529109 lbs)
Height6278 mm - 6649 mm (247.2 in - 261.8 in)
Length12202 mm - 14459 mm (480.4 in - 569.3 in)
Air Inlet System
Air intake silencer / filter
Control System
Load sharing unit
Modular Alarm Control Protection System (MACS)
Speed governor
Cooling System
Electric cooling water preheater
HT cooling water pump (engine driven)
2-stage charge air cooler
Exhaust System
Exhaust gas expantion joint
Exhaust gas insulated manifolds
Turbocharger at flywheel / counter-flywheel end
Gas System
Gas valve unit
Fuel System
Fuel circulating pump (electric driven / for MDO/MGO only)
Fuel indicator filter
Fuel pressure valve (separate / for MDO/MGO only)
Instrumentation
Control push buttons and lamps
Emergency stop lever
Local control panel
Pressure and temperature indicator
Lube System
Dry sump
Lube oil plate cooler (separate)
Lube oil pump (engine driven)
Lube oil safety filter
Lube oil self-cleaning filter
Pressure regulating valve
Mounting System
High flexibile coupling
Rigid mounting
Starting System
Electrical barring device
Starting air valve
General
Torsional Vibration Calculation (TVC)
Class-leading operational reliability
Operational simplicity
Low emission footprint
High efficiency
Specifications
Generator Set Specifications
Minimum Rating5179 kWe (6480 kVA)
Maximum Rating8329 kWe (10422 kVA)
Emissions/Fuel StrategyIMO II in diesel mode, IMO III in gas mode
Engine Specifications
Bore460mm
Stroke610mm
Configuration6,7,8,9 Cylinder
Swept Volume88.6l/cyl
Generator Set Dimensions and Weights - Dependent on Generator Type
Width3400 mm (133.9 in)
Weight178 t - 240 t (392422 lbs - 529109 lbs)
Height6278 mm - 6649 mm (247.2 in - 261.8 in)
Length12202 mm - 14459 mm (480.4 in - 569.3 in)
Equipment
Air Inlet System
Air intake silencer / filter
Control System
Load sharing unit
Modular Alarm Control Protection System (MACS)
Speed governor
Cooling System
Electric cooling water preheater
HT cooling water pump (engine driven)
2-stage charge air cooler
Exhaust System
Exhaust gas expantion joint
Exhaust gas insulated manifolds
Turbocharger at flywheel / counter-flywheel end
Gas System
Gas valve unit
Fuel System
Fuel circulating pump (electric driven / for MDO/MGO only)
Fuel indicator filter
Fuel pressure valve (separate / for MDO/MGO only)
Instrumentation
Control push buttons and lamps
Emergency stop lever
Local control panel
Pressure and temperature indicator
Lube System
Dry sump
Lube oil plate cooler (separate)
Lube oil pump (engine driven)
Lube oil safety filter
Lube oil self-cleaning filter
Pressure regulating valve
Mounting System
High flexibile coupling
Rigid mounting
Starting System
Electrical barring device
Starting air valve
General
Torsional Vibration Calculation (TVC)
Benefits & Features
Class-leading operational reliability
Operational simplicity
Low emission footprint
High efficiency
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