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Caterpillar 9CM25 Engine

The Caterpillar 9CM25 is a 20.4 L 10-cylinder turbo charged and after cooled engine rated at 720 rpm, producing up to 2700 kW. It powers generator sets from Caterpillar.

Also known as: Caterpillar 9CM25

Part of the Caterpillar CM25 engine family — 9 variants share parts & fitment.

20.4 L
Displacement
10
Cylinders
720 rpm
Rated speed
2700 kW
Gross power

Engine specifications

Displacement20.4 L
Cylinders10
AspirationTurbo Charged and after cooled
Rated speed720 rpm
Gross power2700 kW

Generator sets powered by this engine

1
Caterpillar 9CM25

How to read your Caterpillar engine serial & model number →

Service specifications

9
TypeItemValueUnitCondition
OtherGross Input Torque (TH55-E70)12 667N•m (9350 lb-ft)
OtherGross Input Torque (TH55-E90)12 677N•m (9350 lb-ft)
OtherStall Torque Ratio (TH55-E70)2.23
OtherStall Torque Ratio (TH55-E90)2.23
PressureWS255 pump plunger load238,000lb (107,960 kg)
PressureWS273XD pump plunger load275,000lb (124 738 kg)
PressureWS305XD pump plunger load250,000lb (113 398 kg)
SpeedMaximum Input Speed (TH55-E70/TH55-E90 transmissions)1970rpm
SpeedRated Input Speed (TH55-E70/TH55-E90 transmissions)1900rpm

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

What is the displacement of the Caterpillar 9CM25?

The Caterpillar 9CM25 has a displacement of 20.4 liters with 10 cylinders.

Which generators use the Caterpillar 9CM25 engine?

The Caterpillar 9CM25 powers 1 generator set(s), including Caterpillar 9CM25.