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Caterpillar M 43 C Engine

The Caterpillar M 43 C is a 6-cylinder engine. It powers generator sets from MaK.

Also known as: Caterpillar M 43 C

Part of the Caterpillar CM43 engine family — 19 variants share parts & fitment.

6
Cylinders

Engine specifications

Cylinders6

Generator sets powered by this engine

1
MaK M 43 C

How to read your Caterpillar engine serial & model number →

Common problems

6
  • Voltage fail at charge air temp. controller – alarm 9751.1
  • Fresh water preheater voltage failure – alarm 9771
  • Emergency stop – alarm 9675
  • Emergency stop failure – alarm 9671.3
  • Blackout - alarm 9828
  • Automatic stop / PLC A01 common – shut down 9674

Compiled from service & troubleshooting documentation across every generator set that uses the Caterpillar M 43 C.

Parts cataloged across the Caterpillar CM43 family

12
Part #DescriptionCategory
16CM43-0001Cylinder Head AssemblyService part / kit
16CM43-0002Piston AssemblyService part / kit
16CM43-0003Connecting Rod AssemblyService part / kit
16CM43-0004Crankshaft AssemblyService part / kit
16CM43-0005Valve Train AssemblyService part / kit
HT5/HT6Settling tankService part / kit
LEXE0583-00January 2013Service part / kit
HP1/HP2Fuel pressure pumpPump
HP3/HP4Fuel oil circulating pumpPump
HP5/HP6Heavy fuel transfer pump (separator)Pump
HS1/HS2Heavy fuel separatorSeparator
16CM43-0006Turbocharger AssemblyTurbocharger

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Common questions

Which generators use the Caterpillar M 43 C engine?

The Caterpillar M 43 C powers 1 generator set(s), including MaK M 43 C.

What is a common problem with the Caterpillar M 43 C engine?

A commonly reported issue on generators using the Caterpillar M 43 C is: Voltage fail at charge air temp. controller – alarm.