The Generator EngineEncyclopedia

Caterpillar Generator Engines

53 engines in the database

This database lists 53 Caterpillar generator engines ranging from 8 kWe to 5,720 kWe, covering both diesel and gas (natural gas, biogas and CNG/LNG) power. Cylinder configurations include V12, L6, V16 and V8. Emissions certifications span Euro Stage IIIA, U.S. EPA Final Tier 4, U.S. EPA Stationary and U.S. EPA Tier 2. 45 models link to an official manufacturer datasheet or manual.

Caterpillar generator engine selection guide

Use this Caterpillar hub to shortlist generator engines by electrical output, fuel type, emissions standard, datasheet coverage, and 50 Hz or 60 Hz rating. For a complete generator set, the engine choice should be checked together with alternator sizing, controller features, enclosure layout, voltage, cooling, exhaust, fuel system, and local compliance requirements.

Model	Output	Fuel	Emissions
3616	5,720 kWe	Diesel	U.S. EPA Tier 2
CG260-16	4,500 kWe	Natural Gas	Unregulated
3612	4,300 kWe	Diesel	U.S. EPA Tier 2
G3616	3,500 kWe	Natural Gas	U.S. EPA Stationary
CG260-12	3,333 kWe	Natural Gas	Unregulated
C175-20	3,120 kWe	Diesel	U.S. EPA Stationary
3608	2,860 kWe	Diesel	U.S. EPA Tier 2
G3612	2,615 kWe	Natural Gas	U.S. EPA Stationary

Common applications

-Caterpillar standby generator sets
-Caterpillar prime-power generator packages
-Caterpillar industrial power modules
-Caterpillar gas generator sets and CHP projects
-Caterpillar diesel standby and emergency power
-Caterpillar data center, mining, oil and gas, and utility-scale packages

Common searches

Caterpillar generatorCaterpillar generatorsCaterpillar generator enginesCaterpillar diesel generatorsCaterpillar gas engines

Related generator brands

Baudouin generator engines Jenbacher generator engines Hino generator engines JCB generator engines

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In Production

Caterpillar

3306

3300 Series

Standby222.2kWm200kWe250kVA@1500rpm

Standby277.8kWm250kWe312.5kVA@1800rpm

10.5L6-cylL6U.S. EPA Tier 2Made in United States

Caterpillar

3406

3400 Series

Standby355.6kWm320kWe400kVA@1500rpm

Standby444.4kWm400kWe500kVA@1800rpm

14.6L6-cylL6U.S. EPA Tier 2Made in United States

Caterpillar

3408

3400 Series

Standby405.6kWm365kWe456.3kVA@1500rpm

Standby488.9kWm440kWe550kVA@1800rpm

18L8-cylV8U.S. EPA Tier 2Made in United States

Caterpillar

3412

3400 Series

Standby711.1kWm640kWe800kVA@1500rpm

Standby888.9kWm800kWe1000kVA@1800rpm

27L12-cylV12U.S. EPA Tier 2Made in United States

Caterpillar

3508

3500 Series

Standby811.1kWm730kWe912.5kVA@1500rpm

Standby1011.1kWm910kWe1137.5kVA@1800rpm

34.5L8-cylV8U.S. EPA Tier 2Made in United States

Caterpillar

3512C

3500 Series

Standby1555.6kWm1400kWe1750kVA@1500rpm

Standby1666.7kWm1500kWe1875kVA@1800rpm

51.8L12-cylV12U.S. EPA Tier 2Made in United States

Caterpillar

3516C

3500 Series

Standby2222.2kWm2000kWe2500kVA@1500rpm

Standby2777.8kWm2500kWe3125kVA@1800rpm

78.08L16-cylV16U.S. EPA Tier 2Made in United States

Caterpillar

3606

3600 Series

Standby2150kWe2687.5kVA@1000rpm

Standby2000kWe2500kVA@1200rpm

110.8L6-cylL6U.S. EPA Tier 2Made in United States

Caterpillar

3608

3600 Series

Standby2860kWe3575kVA@1000rpm

Standby2660kWe3325kVA@1200rpm

147.8L8-cylV8U.S. EPA Tier 2Made in United States

Caterpillar

3612

3600 Series

Standby4300kWe5375kVA@1000rpm

Standby4000kWe5000kVA@1200rpm

221.6L12-cylV12U.S. EPA Tier 2Made in United States

Caterpillar

3616

3600 Series

Standby5720kWe7150kVA@1000rpm

Standby5320kWe6650kVA@1200rpm

295.5L16-cylV16U.S. EPA Tier 2Made in United States

Caterpillar

C1.1

C Series

Standby7.6kWe9.5kVA@1500rpm

Standby8.8kWe11kVA@1800rpm

1.1L3-cylL3Euro Stage IIIAMade in Japan

Caterpillar

C1.5

C Series

Standby10.8kWe13.5kVA@1500rpm

Standby13kWe16.3kVA@1800rpm

1.5L3-cylL3Euro Stage IIIAMade in Japan

Caterpillar

C13

C Series

Standby388.9kWm350kWe437.5kVA@1500rpm

Standby444.4kWm400kWe500kVA@1800rpm

12.5L6-cylL6U.S. EPA Tier 3Made in United States

Caterpillar

C15

C Series

Standby444.4kWm400kWe500kVA@1500rpm

Standby555.6kWm500kWe625kVA@1800rpm

15.2L6-cylL6U.S. EPA Tier 2Made in United States

Caterpillar

C175-16

C Series

Standby2400kWe3000kVA@1500rpm

Standby3000kWe3750kVA@1800rpm

85.6L16-cylV16U.S. EPA Final Tier 4Made in United States

Caterpillar

C175-20

C Series

Standby3120kWe3900kVA@1500rpm

Standby3900kWe4875kVA@1800rpm

107L20-cylV20U.S. EPA StationaryMade in United States

Caterpillar

C18

C Series

Standby693.3kWm624kWe780kVA@1500rpm

Standby833.3kWm750kWe937.5kVA@1800rpm

18.13L6-cylL6U.S. EPA Tier 2Made in United States

Caterpillar

C2.2

Standby17.6kWe22kVA@1500rpm

Standby20kWe25kVA@1800rpm

2.2L4-cylL4Euro Stage IIIAMade in United States

Caterpillar

C27

C Series

Standby711.1kWm640kWe800kVA@1500rpm

Standby888.9kWm800kWe1000kVA@1800rpm

27.03L12-cylV12U.S. EPA Tier 2Made in United States

Caterpillar

C3.3

Standby52kWe65kVA@1500rpm

Standby60kWe75kVA@1800rpm

3.3L4-cylL4UnregulatedMade in United States

Caterpillar

C32

C Series

Standby1333.3kWm1200kWe1500kVA@1500rpm

Standby1388.9kWm1250kWe1562.5kVA@1800rpm

32.1L12-cylV12U.S. EPA Tier 2Made in United States

Caterpillar

C4.4

C Series

Standby50kWm45kWe56.3kVA@1500rpm

Standby55.6kWm50kWe62.5kVA@1800rpm

4.4L4-cylL4U.S. EPA Tier 3Made in United States

Caterpillar

C6.6

C Series

Standby138.9kWm125kWe156.3kVA@1500rpm

Standby166.7kWm150kWe187.5kVA@1800rpm

6.6L6-cylL6U.S. EPA Tier 3Made in United States

Caterpillar

C7.1

C Series

Standby146.7kWm132kWe165kVA@1500rpm

Standby166.7kWm150kWe187.5kVA@1800rpm

7L4-cylL4U.S. EPA Tier 3Made in United States

Caterpillar

C9

C Series

Standby293.3kWm264kWe330kVA@1500rpm

Standby333.3kWm300kWe375kVA@1800rpm

8.8L6-cylL6U.S. EPA Tier 3Made in United States

Caterpillar

C9.3

Standby275kWe344kVA@1500rpm

Standby330kWe413kVA@1800rpm

9.3L6-cylL6U.S. EPA Tier 3Made in United States

Caterpillar

CG132B-12

CG132

Prime600kWe750kVA@1500rpm

Prime600kWe750kVA@1800rpm

26.3L12-cylV12UnregulatedMade in Germany

Caterpillar

CG132B-16

CG132

Prime1000kWe1250kVA@1500rpm

Prime800kWe1000kVA@1800rpm

35.1L16-cylV16UnregulatedMade in Germany

Caterpillar

CG132B-8

CG132

Prime400kWe500kVA@1500rpm

Prime400kWe500kVA@1800rpm

17.5L8-cylV8UnregulatedMade in Germany

Caterpillar

CG170-12

CG170

Prime1200kWe1500kVA@1500rpm

Prime1200kWe1500kVA@1800rpm

53.1L12-cylV12UnregulatedMade in Germany

Caterpillar

CG170-16

CG170

Prime1560kWe1950kVA@1500rpm

Prime1560kWe1950kVA@1800rpm

70.8L16-cylV16UnregulatedMade in Germany

Caterpillar

CG170B-12

CG170

Prime1380kWe1725kVA@1500rpm

53.1L12-cylV12UnregulatedMade in Germany

Caterpillar

CG170B-16

CG170

Prime1840kWe2300kVA@1500rpm

70.8L16-cylV16UnregulatedMade in Germany

Caterpillar

CG170B-20

CG170

Prime2300kWe2875kVA@1500rpm

Prime2300kWe2875kVA@1800rpm

88.5L20-cylV20UnregulatedMade in Germany

Caterpillar

CG260-12

CG260

Prime3333kWe4166.3kVA@1000rpm

Prime3000kWe3750kVA@1200rpm

204L12-cylV12UnregulatedMade in Germany

Caterpillar

CG260-16

CG260

Prime4500kWe5625kVA@1000rpm

Prime4050kWe5062.5kVA@1200rpm

272L16-cylV16UnregulatedMade in Germany

Caterpillar

G3306

3300

Prime75kWe93.8kVA@1500rpm

10.5L6-cylL6U.S. EPA StationaryMade in United States

Caterpillar

G3406

3400

Prime155kWe193.8kVA@1500rpm

14.6L6-cylL6U.S. EPA StationaryMade in United States

Caterpillar

G3408

3400

Prime250kWe312.5kVA@1500rpm

18L8-cylV8U.S. EPA StationaryMade in United States

Caterpillar

G3412

3400

Prime500kWe625kVA@1500rpm

27L12-cylV12U.S. EPA StationaryMade in United States

Caterpillar

G3412C

3400

Prime374kWe467.5kVA@1500rpm

Prime423kWe528.8kVA@1800rpm

27L12-cylV12U.S. EPA StationaryMade in United States

Caterpillar

G3512

3500

Prime1000kWe1250kVA@1500rpm

50.5L12-cylV12U.S. EPA StationaryMade in United States

Caterpillar

G3512H

3500

Prime1500kWe1875kVA@1500rpm

Prime1490kWe1862.5kVA@1800rpm

50.5L12-cylV12U.S. EPA StationaryMade in United States

Caterpillar

G3516

3500

Prime1500kWe1875kVA@1500rpm

67.4L16-cylV16U.S. EPA StationaryMade in United States

Caterpillar

G3516+

3500

Prime1000kWe1250kVA@1200rpm

Prime1000kWe1250kVA@1440rpm

67.4L16-cylV16U.S. EPA StationaryMade in United States

Caterpillar

G3516H

3500

Prime2000kWe2500kVA@1500rpm

Prime1982kWe2477.5kVA@1800rpm

67.4L16-cylV16U.S. EPA StationaryMade in United States

Caterpillar

G3520

3500

Prime2500kWe3125kVA@1500rpm

84.2L20-cylV20U.S. EPA StationaryMade in United States

Caterpillar

G3520C

3500

Prime1984kWe2480kVA@1500rpm

Prime1950kWe2437.5kVA@1800rpm

84.2L20-cylV20U.S. EPA StationaryMade in United States

Caterpillar

G3520H

3500

Prime2500kWe3125kVA@1500rpm

Prime2490kWe3112.5kVA@1800rpm

84.2L20-cylV20U.S. EPA StationaryMade in United States

Caterpillar

G3606

3600

Prime1300kWe1625kVA@1000rpm

110.8L6-cylL6U.S. EPA StationaryMade in United States

Caterpillar

G3612

3600

Prime2615kWe3268.8kVA@1000rpm

221.6L12-cylV12U.S. EPA StationaryMade in United States

Caterpillar

G3616

3600

Prime3500kWe4375kVA@1000rpm

295.5L16-cylV16U.S. EPA StationaryMade in United States

About Caterpillar generator engines

Models: 53
Power range: 8–5,720 kWe
Fuel: Diesel & gas
With datasheets: 45

Selection notes for buyers

Start with duty and output

Shortlist Caterpillar generator engines around 8-5,720 kWe, then compare prime, standby and frequency ratings against the actual load profile.

Check site constraints

Review diesel or gas availability, cooling package, emissions rules and service support before treating two similar kWe ratings as interchangeable.

Match the alternator and package

After the engine shortlist is clear, confirm voltage, frequency, alternator frame size and radiator or canopy requirements for the complete generator set.

Use this shortlist in a generator-set project

The model list is a specification starting point. Haifeng Machinery can help confirm the engine rating, alternator match, cooling system and emissions requirement for standby, prime or continuous-duty projects.

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Frequently asked questions

What is the power range of Caterpillar generator engines?

Caterpillar generator engines in this database range from approximately 8 kWe to 5,720 kWe of electrical output, across prime and standby ratings at 50 Hz and 60 Hz.

How many Caterpillar generator engines are listed?

There are 53 Caterpillar generator engines in the database.

Are datasheets available for Caterpillar generator engines?

Yes — 45 of the 53 Caterpillar generator engines link to an official manufacturer datasheet or manual on their detail page.

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