HomeEnginesCaterpillar Cat® C18 Diesel Engine with ACERT® Technology

Caterpillar Cat® C18 Diesel Engine with ACERT® Technology Engine

The Caterpillar Cat® C18 Diesel Engine with ACERT® Technology is a 18.1 L 6-cylinder engine, producing up to 390 kW. It powers generator sets from Caterpillar, including the 385C FS.

Also known as: Caterpillar Cat® C18 Diesel Engine with ACERT® Technology

18.1 L
Displacement
6
Cylinders
390 kW
Gross power

Engine specifications

Displacement18.1 L
Cylinders6
Gross power390 kW

Generator sets powered by this engine

1
Caterpillar 385C FS

How to read your Caterpillar engine serial & model number →

Maintenance schedule

ItemSpecCapacityPart #Interval
OilEngine oil, oil filter and fuel filters at 500 hours.500 hr

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Common questions

What is the displacement of the Caterpillar Cat® C18 Diesel Engine with ACERT® Technology?

The Caterpillar Cat® C18 Diesel Engine with ACERT® Technology has a displacement of 18.1 liters with 6 cylinders.

Which generators use the Caterpillar Cat® C18 Diesel Engine with ACERT® Technology engine?

The Caterpillar Cat® C18 Diesel Engine with ACERT® Technology powers 1 generator set(s), including Caterpillar 385C FS.

How often should you change the oil in the Caterpillar Cat® C18 Diesel Engine with ACERT® Technology?

The Caterpillar Cat® C18 Diesel Engine with ACERT® Technology oil change interval is every 500 hours.