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The acceptance of the M 32 C long-stroke engine series in the marine industry is a success story, whose equal is hard to find in this power class. Since its introduction in 1994, more than 1600 engines have been sold. 80% of them are marine propulsion engines, and 20% are electrical generator sets. The M 32 C series is a genuine heavy fuel engine, and 75% of all engines commissioned burn the economical heavy fuel oil. The M 32 C long-stroke series with a bore of 320 mm has continued the market success of its predecessor in this bore size. Decisive factors in its development have been maximum customer benefit requirements, i.e. economy and operational reliability. Environmental aspects, however, have also been important. Operational results have fully confirmed the design objectives.

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Power Rating
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Power Range 2880-4500 kW 2880-4500 kW

Nodular cast iron engine block and crankcase with integrated ducts for lubricating oil and charge air

Nodular cast iron engine block and crankcase with integrated ducts for lubricating oil and charge air, No piping, No cooling water in the engine block, Easy maintenance, High level of operational safety

Simplified parts spectrum by using single-pipe exhaust gas ducting

Identical cylinder parts, Reduced component complexity, Simple assembly/dismantling, Low weight, low installation volume and low vibration level

Cooling water system with simple plug-in connections

Plug-in connections for the cooling water pipes with standard closure fittings, Easy to fit, very maintenance-friendly, Identical parts for each cylinder version, Reduced number of components/parts, Increased operational safety

Pulse charging system, available as an option, for all in-line engine variants

Advantages in marine propulsion systems subject to frequent changes of load, Optimum engine acceleration without special control system arrangements

High-efficiency turbocharger

Moderate temperature level of components surrounding the combustion chamber, Corrosion-free turbocharger casing without water cooling

Cylinder liner, only cooled outside the engine block

Low wear rate due to calibration ring, Low and constant lubricating oil consumption, Long life

Engine control terminal with analog instrumentation in robust cast casing

Securely mounted with vibration damping on the crankcase, Direct and reliable display of all operating media pressures by robust pressure gauges, Engine and turbocharger speed display by vibration-protected analog instruments

Segmental camshaft design

Individual segments per cylinder, Simple to assemble and dismantle

Installation-friendly, because of pumps and filters installed on the engine

Lubricating oil automatic filter fitted to the engine, Replaces duplex filter and separate automatic filters, Pumps and filters operate without any external power, Reduces the parts requirements

Connecting rod, split off design

High level of operational safety, the result of accurately preloaded bolts

Compact module for lower valve drives and injection pump drives with cam followers

Exact straight-line guidance for low-friction and low-wear operation

Compact cylinder head design

Long intervals between overhauls, Simple and fast assembly/ dismantling because of: - plug-in connections - integrated bores - self-centering

M 32 C Standard Equipment

Air Inlet System
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  • Air intake silencer / filter

M 32 C Optional Equipment

Air Inlet System
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  • Air inlet shut-off valve
  • Air intake transition piece
  • Expansion joint
  • Silencer / filter