2022 Caterpillar Commercial Propulsion Engines M 32 C

2022 Caterpillar Commercial Propulsion Engines M 32 C

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.

Features may include:

• 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

• Identical cylinder parts, reduced component complexity, simple assembly/dismantling, low weight, low installation volume and low vibration level

• 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

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

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

• Low wear rate due to calibration ring, low and constant lubricating oil consumption, long life

• 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

• Individual segments per cylinder, simple to assemble and dismantle

• 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

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

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

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