M 43 C MARINE PROPULSION ENGINE
Since its introduction into the market, the MaK long-stroke engine series M 43 has achieved an outstanding position on the marine applications market as an in-line engine in 6, 7, 8 and 9 cylinder versions. More than 650 engines with a total power of more than 6,500 MW have already been sold making the M 43 the market leader in the 5–9 MW power class. All the cylinder configurations have contributed to this market success. More than 90% of the marine engines run on heavy fuel within IMO regulatory limits.
power rating
Power Range6000 - 9450 kW


engine specifications
Speed Range500-514 rpm
EmissionsIMO II
AspirationTurbocharged
Bore430 mm
Stroke610 mm
Swept Volume88.6 l/cyl.
Rotation (from flywheel end)Counterclockwise / Clockwise
Configuration6,7,8,9 Cylinder
dimensions
WeightsMinimum Dry Weight
910 t
Dimensions Weights
minimum length
8271 mmDimensions
weights
Maximum Length10528 mm
dimensions
WeightsMinimum Height
5130 mm
Dimensions Weights
maximum height
5501 mmDimensions
weights
Minimum Width2878 mm
dimensions
WeightsMaximum Width
2878 mm
M 43 C STANDARD EQUIPMENT
- air inlet system
Air intake silencer / filter - control system
Load sharing unit (for multiple engine plant only)
Protection panel (emergency stop, override, reset push buttons)
Protection system
Serial link interface (MODbus / canbus)
Speed governor
Start / stop panel - cooling system
Electronic cooling water preheater
HT cooling water pump (engine driven)
2-stage charge air cooler - exhaust system
Exhaust gas expansion joint
Exhaust gas insulated manifolds
Turbocharger at flywheel end - fuel system
Fuel circulating pump (electric driven / for MGO/MDO only)
Fuel indicator filter
Fuel pressure valve (separate / for MGO/MDO only) - instrumentation
Control push buttons and lamps
Emergency stop lever
Local control panel
Pressure and temperature indicator - lube system
Dry sump
Lube oil duplex filter
Lube oil plate cooler (separate)
Lube oil pump (engine driven)
Lube oil self-cleaning filter
Pressure regulating valve - mounting system
High flexible coupling
Rigid mounting - starting system
Electrical barring device
Starting air valve - general
Lifting device (rental)
Torsional Vibration Calculation (TVC)
M 43 C OPTIONS
- air inlet system
Air inlet shut-off valve
Air intake transition piece
Expansion joint
Silencer / filter - control system
Electronic speed governor cabinet
Engine alarm system
Remote control system
Remote indicators (start air pressure, engine speed, etc.)
Starter for electric driven pumps
24 DC UPS - cooling system
FW/SW plate cooler
HT cooling water pump (electric driven)
LT cooling water pump (electric driven)
Sea water cooling pump (electric driven)
Steam/thermal oil cooling water preheater
Temperature control valve - exhaust system
Silencer (with or without spark arrestor)
Turbocharger at counter-flywheel side - fuel system
Fuel oil cooler
HFO final preheater
HFO pressure regulating valve
HFO self-cleaning automatic filter
HFO supply and booster pumps (electrical driven)
HFO treatment and supply modules
HFO viscosity control device
Mixing tank - lube system
Lube oil pump (electrical driven)
Lube oil treatment and combined modules
Pre-lubricating oil pump (electrical driven)
Temperature control valve - mounting system
Flexible pipe connections
Resilient mounting - starting system
Starting air compressor
Starting air receiver - general
Cat Propulsion Systems
Engine PTO coupling
PTO alternator
PTO shaft on counter-flywheel side
Reduction gear
Reduction gear PTO coupling