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Caterpillar 7CM43 Engine

The Caterpillar 7CM43 is a 88.6 L 7-cylinder turbocharged and after-cooled engine, producing up to 8100 kW. It powers generator sets from Caterpillar.

Also known as: Caterpillar 7CM43

88.6 L
Displacement
7
Cylinders
8100 kW
Gross power

Engine specifications

Displacement88.6 L
Cylinders7
AspirationTurbocharged and after-cooled
Gross power8100 kW

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 7CM43?

The Caterpillar 7CM43 has a displacement of 88.6 liters with 7 cylinders.

Which generators use the Caterpillar 7CM43 engine?

The Caterpillar 7CM43 powers 1 generator set(s), including Caterpillar 7CM43.