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Caterpillar is the world's largest manufacturer of generator sets, offering the largest range of specifications available. If you need a diesel generator set with 6 to 5,720 ekW (7.5 to 7,150 kVA) of power potential, you'll have peace of mind knowing our diesel-fueled generator sets are built to world-class standards, for high efficiency, low fuel consumption and global emissions compliance. Cat® Diesel Generator Sets for commercial and industrial applications come in a range of options to match your power needs - so selecting the right diesel generator set for your application, and installing it, is simple. Diesel Generators - Prime, Continuous or Standby PowerFor prime, continuous or standby power service, Cat commercial and industrial diesel generator sets deliver reliable, clean, economical power – even in the most demanding conditions. Each Cat diesel generator set is designed, engineered and manufactured for optimal performance. All major components are tested individually; and once the generator set is assembled, the complete unit is tested at and above 100% of rated load for operation and safety. A Cat brand generator set offers a huge advantage over all other brands: They all come with the expert service and comprehensive support of your nearby Cat® dealer. It begins with prompt delivery and continues through the life of the diesel genset.

Shop New Cat Diesel Generator Sets

C280-16 Generator Set (Medium Speed)

Maximum Rating 4840 ekW (60Hz), 6500 kVA (50Hz)
Minimum Rating 4400 ekW (60Hz), 5875 kVA (50Hz)
Emissions/Fuel Strategy EPA Tier 4 Final, IMO Tier 2
C280-16 Generator Set (Medium Speed)

3616 Generator Set (Medium Speed)

Maximum Rating 7520 kVA
Minimum Rating 4700 kVA
Emissions/Fuel Strategy Low Fuel Consumption
3616 Generator Set (Medium Speed)

C280-12 Generator Set (Medium Speed)

Maximum Rating 3640 ekW (60Hz), 4850 kVA (50Hz)
Minimum Rating 3300 ekW (60Hz), 4400 kVA (50Hz)
Emissions/Fuel Strategy EPA Tier 4 Final, IMO Tier 2
C280-12 Generator Set (Medium Speed)

3612 Generator Set (Medium Speed)

Maximum Rating 4850 kVA
Minimum Rating 4400 kVA
Emissions/Fuel Strategy Low Fuel Consumption
3612 Generator Set (Medium Speed)

C280-8 Generator Set (Medium Speed)

Maximum Rating 2420 ekW (60Hz), 3250 kVA (50Hz)
Minimum Rating 2200 ekW (60Hz), 2938 kVA (50Hz)
Emissions/Fuel Strategy EPA Tier 4 Final, IMO Tier 2
C280-8 Generator Set (Medium Speed)

3608 Generator Set (Medium Speed)

Maximum Rating 3575 kVA
Minimum Rating 2363 kVA
Emissions/Fuel Strategy Low Fuel Consumption
3608 Generator Set (Medium Speed)

C280-6 Generator Set (Medium Speed)

Maximum Rating 1820 ekW (60Hz), 2425 kVA (50Hz)
Minimum Rating 1650 ekW (60Hz), 2200 kVA (50Hz)
Emissions/Fuel Strategy IMO Tier 2
C280-6 Generator Set (Medium Speed)

3606 Generator Set (Medium Speed)

Maximum Rating 2688 kVA
Minimum Rating 1775 kVA
Emissions/Fuel Strategy Low Fuel Consumption
3606 Generator Set (Medium Speed)

C175-20

Standby Rating 4000(no fan)/3900 kVA
Prime Power Rating 3600(no fan)/3500 kVA
Emissions/Fuel Strategy Low Fuel, Low Emissions
C175-20

C175-16 Tier 4 Final

Standby Rating 3100(no fan)/3000 ekW
Prime Power Rating 2825(no fan)/2725 ekW
Emissions/Fuel Strategy U.S. EPA Certified Tier 4
C175-16 Tier 4 Final

C175-16 Generator Set

Standby Rating 3100(no fan)/3000 kVA
Prime Power Rating 2825(no fan)/2725 kVA
Emissions/Fuel Strategy Low Fuel, Low Emissions
C175-16 Generator Set

3516E Generator Set

Maximum Rating 3500 kVA
Minimum Rating 3000 kVA
Emissions/Fuel Strategy Tier 2 Equivalent - 1800 rpm
3516E Generator Set

3516E Low Voltage Generator Set

Standby Rating 3000 kVA (3100 kVA without fan)
Prime Power Rating 2750 kVA (2850 kVA without fan)
Emissions/Fuel Strategy Low Fuel Consumption
3516E Low Voltage Generator Set

3516C Tier 4 Final

Standby Rating 2500/2000 ekW
Prime Power Rating 1825/2250 ekW
Emissions/Fuel Strategy U.S. EPA Certified
3516C Tier 4 Final

3516C (50 Hz) with Upgradeable Package

Standby Rating 2750 kVA
Prime Power Rating 2500 kVA
Emissions/Fuel Strategy Low Fuel Consumption
3516C (50 Hz) with Upgradeable Package

3516C Generator Set

Standby Rating 2750 kVA
Prime Power Rating 2500 kVA
Emissions/Fuel Strategy Low Fuel, Low Emissions
3516C Generator Set

3516B (60 Hz) with Upgradeable Package

Standby Rating 2250 ekW
Prime Power Rating 1825 ekW
Emissions/Fuel Strategy Low fuel, Low Emissions
3516B (60 Hz) with Upgradeable Package

3516B (50 Hz) Generator Set

Standby Rating 2500 kVA
Prime Power Rating 2275 kVA
Emissions/Fuel Strategy Low Fuel, Low Emissions
3516B (50 Hz) Generator Set

3516B Generator Set

Standby Rating 2250 kVA
Prime Power Rating 2000 kVA
Emissions/Fuel Strategy Low Fuel, Low Emissions
3516B Generator Set

3516B (50 Hz) India Market Only

Maximum Rating 2250 kVA
Minimum Rating 2000 kVA
Emissions/Fuel Strategy Low Fuel Consumption
3516B (50 Hz) India Market Only

3516 Diesel Generator Set

Standby Rating 2000 kVA
Prime Power Rating 1825 kVA
Emissions/Fuel Strategy Low Fuel Consumption
3516 Diesel Generator Set

3512C Generator Set

Standby Rating 1500 ekW
Prime Power Rating 1360 ekW
Emissions/Fuel Strategy U.S. EPA Certified
3512C Generator Set

3512B Diesel Generator Set

Standby Rating 1625/1600/1500 kVA
Prime Power Rating 1500/1360 kVA
Emissions/Fuel Strategy Low Fuel , Low Emissions
3512B Diesel Generator Set

3512B (50 Hz) Generator Set

Standby Rating 1625/1600/1500 kVA
Prime Power Rating 1500/1360 kVA
Emissions/Fuel Strategy Low Fuel, Low Emissions
3512B (50 Hz) Generator Set

3512B (50 Hz) India Market Only

Maximum Rating 1500 kVA
Minimum Rating 1500 kVA
Emissions/Fuel Strategy Low Fuel Consumption
3512B (50 Hz) India Market Only

3512 with Upgradeable Package

Standby Rating 1250/1100 ekW
Prime Power Rating 1135/1000 ekW
Emissions/Fuel Strategy Low Fuel Consumption
3512 with Upgradeable Package

3512 Generator Set

Standby Rating 1400/1250 kVA
Prime Power Rating 1275/1150 kVA
Emissions/Fuel Strategy Low Fuel Consumption
3512 Generator Set

C32 (60 Hz)

Maximum Rating 1250 ekW
Minimum Rating 830 ekW
Emissions/Fuel Strategy Low Fuel, Tier 2 Nonroad Stds
C32 (60 Hz)

DE1250S GC

Minimum Rating 1250 eKW
Maximum Rating 1250 eKW
Emissions/Fuel Strategy Low Fuel Consumption
DE1250S GC

D1250 GC

Maximum Rating 1250 ekW
Minimum Rating 1250 ekW
Emissions/Fuel Strategy U.S. EPA Tier 2
D1250 GC

C32 Generator Set

Maximum Rating 1500 kVA
Minimum Rating 910 kVA
Emissions/Fuel Strategy Low Fuel, Low Emissions
C32 Generator Set

DE1100 GC

Maximum Rating 1100 kVA
Minimum Rating 1100 kVA
Emissions/Fuel Strategy Low Fuel Consumption
DE1100 GC

D1000 GC

Maximum Rating 1000 ekW
Minimum Rating 1000 ekW
Emissions/Fuel Strategy U.S. EPA Tier 2
D1000 GC

DE1000S GC

Maximum Rating 1000 eKW
Minimum Rating 1000 eKW
Emissions/Fuel Strategy Low Fuel Consumption
DE1000S GC

C32 (50 Hz) India Market Only

Maximum Rating 1250 kVA
Minimum Rating 1010 kVA
Emissions/Fuel Strategy Low Fuel Consumption
C32 (50 Hz) India Market Only

DE800S GC

Minimum Rating 800 eKW
Maximum Rating 800 eKW
Emissions/Fuel Strategy Low Fuel Consumption
DE800S GC

C27 Generator Set

Maximum Rating 800 ekW
Minimum Rating 635 ekW
Emissions/Fuel Strategy Low Fuel, Tier 2 Nonroad Equivalent
C27 Generator Set

3412C Generator Set

Maximum Rating 900 kVA
Minimum Rating 680 kVA
Emissions/Fuel Strategy Low Fuel Consumption
3412C Generator Set

C18 | DE715E0 50Hz LOW BSFC, LOW FUEL

Minimum Rating 715 kVA
Maximum Rating 715 kVA
Emissions/Fuel Strategy Non Regulated
C18 | DE715E0 50Hz LOW BSFC, LOW FUEL

D600 GC (60 Hz) Generator Set

Maximum Rating 600 ekW
Minimum Rating 600 ekW
Emissions/Fuel Strategy EPA Stationary Emergency
D600 GC (60 Hz) Generator Set

DE600S GC Generator Set

Maximum Rating 600 ekW
Minimum Rating 600 ekW
Emissions/Fuel Strategy Non Regulated
DE600S GC Generator Set

DE715 GC Generator Set

Maximum Rating 715 kVA
Minimum Rating 715 kVA
Emissions/Fuel Strategy Non Regulated
DE715 GC Generator Set

C18 Generator Set

Maximum Rating 500 ekW
Minimum Rating 455 ekW
Emissions/Fuel Strategy U.S. EPA Tier 4 Final
C18 Generator Set

D550 GC (60 Hz) Generator Set

Maximum Rating 550 ekW
Minimum Rating 550 ekW
Emissions/Fuel Strategy EPA Stationary Emergency
D550 GC (60 Hz) Generator Set

DE550S GC (60 Hz) Generator Set

Maximum Rating 550 ekW
Minimum Rating 550 ekW
Emissions/Fuel Strategy Non Regulated
DE550S GC (60 Hz) Generator Set

D500 GC (60 Hz) Generator Set

Maximum Rating 500 ekW
Minimum Rating 500 ekW
Emissions/Fuel Strategy EPA Stationary Emergency
D500 GC (60 Hz) Generator Set

DE500S GC (60 Hz) Generator Set

Maximum Rating 500 ekW
Minimum Rating 500 ekW
Emissions/Fuel Strategy Non Regulated
DE500S GC (60 Hz) Generator Set

D450 GC (60 Hz) Generator Set

Maximum Rating 450 ekW
Minimum Rating 450 ekW
Emissions/Fuel Strategy EPA Stationary Emergency
D450 GC (60 Hz) Generator Set

DE450S GC (60 Hz) Generator Set

Maximum Rating 450 ekW
Minimum Rating 450 ekW
Emissions/Fuel Strategy Non Regulated
DE450S GC (60 Hz) Generator Set

C15 (50 Hz) China Non Road

Maximum Rating 550 kVA
Minimum Rating 365 kVA
Emissions/Fuel Strategy Low Fuel, Tier 2 or 3
C15 (50 Hz) China Non Road

C15 Generator Set

Maximum Rating 550 kVA
Minimum Rating 365 kVA
Emissions/Fuel Strategy Tier 2 or Tier 3
C15 Generator Set

D400 GC (60 Hz) Generator Set

Maximum Rating 400 ekW
Minimum Rating 400 ekW
Emissions/Fuel Strategy EPA Stationary Emergency
D400 GC (60 Hz) Generator Set

C13 (50 Hz) China Non Road

Maximum Rating 450 kVA
Minimum Rating 350 kVA
Emissions/Fuel Strategy Low Fuel, R96/EUIIIa
C13 (50 Hz) China Non Road

C13 Generator Set

Maximum Rating 450 kVA
Minimum Rating 350 kVA
Emissions/Fuel Strategy Low Fuel, R96/EUIIIa
C13 Generator Set

D350 GC (60 Hz) Generator Set

Maximum Rating 350 ekW
Minimum Rating 350 ekW
Emissions/Fuel Strategy EPA Stationary Emergency
D350 GC (60 Hz) Generator Set

DE400 GC Generator Set

Maximum Rating 400 kVA
Minimum Rating 400 kVA
Emissions/Fuel Strategy Non-Certified Emissions
DE400 GC Generator Set

DE400S GC Generator Set

Maximum Rating 400 ekW
Minimum Rating 400 ekW
Emissions/Fuel Strategy Low Fuel, R96/EUIIIa
DE400S GC Generator Set

D300 GC (60 Hz) Generator Set

Maximum Rating 300 ekW
Minimum Rating 300 ekW
Emissions/Fuel Strategy EPA Stationary Emergency
D300 GC (60 Hz) Generator Set

C9 Generator Set

Maximum Rating 330 kVA
Minimum Rating 230 kVA
Emissions/Fuel Strategy EU Stage IIIA
C9 Generator Set

DE350S GC Generator Set

Maximum Rating 350 ekW
Minimum Rating 350 ekW
Emissions/Fuel Strategy Low Fuel, R96/EUIIIa
DE350S GC Generator Set

D250 GC (60 Hz) Generator Set

Maximum Rating 250 ekW
Minimum Rating 250 ekW
Emissions/Fuel Strategy EPA Stationary Emergency
D250 GC (60 Hz) Generator Set

C7.1 Generator Set

Maximum Rating 200 ekW
Minimum Rating 114 ekW
Emissions/Fuel Strategy Tier 3
C7.1 Generator Set

D200 GC Generator Set

Maximum Rating 200 ekW
Minimum Rating 200 ekW
Emissions/Fuel Strategy U.S. EPA Cert., Tier 3
D200 GC Generator Set

DE220 GC (50 Hz) Generator Set

Maximum Rating 217 kVA
Minimum Rating 217 kVA
Emissions/Fuel Strategy Non Regulated
DE220 GC (50 Hz) Generator Set

C7.1 ACERT

Maximum Rating 175 ekW
Minimum Rating 120 ekW
Emissions/Fuel Strategy Non Regulated
C7.1 ACERT

DE200 GC Generator Set (60 Hz)

Maximum Rating 175 ekW
Minimum Rating 175 ekW
Emissions/Fuel Strategy Non Regulated
DE200 GC Generator Set (60 Hz)

D175 GC Generator Set

Maximum Rating 175 ekW
Minimum Rating 175 ekW
Emissions/Fuel Strategy U.S. EPA Cert., Tier 3
D175 GC Generator Set

DE218AE0 (60 Hz) Generator Set

Maximum Rating 174.0 ekW
Minimum Rating 157.0 ekW
Emissions/Fuel Strategy Non-Certified Emissions
DE218AE0 (60 Hz) Generator Set

DE165 GC Generator Set (60 Hz)

Maximum Rating 150 ekW
Minimum Rating 150 ekW
Emissions/Fuel Strategy Non Regulated
DE165 GC Generator Set (60 Hz)

DE169AE0 (60 Hz) Generator Set

Maximum Rating 120.0 ekW
Minimum Rating 120.0 ekW
Emissions/Fuel Strategy Non-Certified Emissions
DE169AE0 (60 Hz) Generator Set

D150 GC Generator Set

Maximum Rating 150 ekW
Minimum Rating 150 ekW
Emissions/Fuel Strategy U.S. EPA Cert., Tier 3
D150 GC Generator Set

DE150 GC Generator Set (60 Hz)

Maximum Rating 132 ekW
Minimum Rating 132 ekW
Emissions/Fuel Strategy Non Regulated
DE150 GC Generator Set (60 Hz)

D125 GC Generator Set

Maximum Rating 125 ekW
Minimum Rating 125 ekW
Emissions/Fuel Strategy U.S. EPA Cert., Tier 3
D125 GC Generator Set

DE125AE0 (60 Hz) Generator Set

Maximum Rating 100.0 ekW
Minimum Rating 90.4 ekW
Emissions/Fuel Strategy Non-Certified Emissions
DE125AE0 (60 Hz) Generator Set

DE110 GC Generator Set (60 Hz)

Maximum Rating 100 ekW
Minimum Rating 100 ekW
Emissions/Fuel Strategy Non Regulated
DE110 GC Generator Set (60 Hz)

D100 GC Generator Set

Maximum Rating 100 ekW
Minimum Rating 100 ekW
Emissions/Fuel Strategy U.S. EPA Cert., Tier 3
D100 GC Generator Set

DE125AE0 (50 Hz) Generator Set

Maximum Rating 110.0 kVA
Minimum Rating 100.0 kVA
Emissions/Fuel Strategy Non-Certified Emissions
DE125AE0 (50 Hz) Generator Set

DE88 GC Generator Set (60 Hz)

Maximum Rating 80 ekW
Minimum Rating 80 ekW
Emissions/Fuel Strategy Non Regulated
DE88 GC Generator Set (60 Hz)

DE100AE0 (60 Hz) Generator Set

Maximum Rating 80.0 ekW
Minimum Rating 72.0 ekW
Emissions/Fuel Strategy Non-Certified Emissions
DE100AE0 (60 Hz) Generator Set

D80 GC Generator Set

Maximum Rating 80 ekW
Minimum Rating 80 ekW
Emissions/Fuel Strategy U.S. EPA Cert., Tier 3
D80 GC Generator Set

C4.4 Generator Set

Maximum Rating 60 ekW
Minimum Rating 36 ekW
Emissions/Fuel Strategy U.S. EPA Cert., Tier 3
C4.4 Generator Set

D60 GC Generator Set

Maximum Rating 60 ekW
Minimum Rating 60 ekW
Emissions/Fuel Strategy U.S. EPA Cert., Tier 3
D60 GC Generator Set

DE65 GC Generator Set (60 Hz)

Maximum Rating 60 ekW
Minimum Rating 60 ekW
Emissions/Fuel Strategy Non Regulated
DE65 GC Generator Set (60 Hz)

DE75AE0 (60 Hz) Generator Set

Maximum Rating 60 ekW
Minimum Rating 55.0 ekW
Emissions/Fuel Strategy Non-Certified Emissions
DE75AE0 (60 Hz) Generator Set

C3.3 Generator Set

Maximum Rating 65.0 kVA
Minimum Rating 24.0 kVA
Emissions/Fuel Strategy EU Stage II R96/EUIIIa
C3.3 Generator Set

D50 GC Generator Set

Maximum Rating 50 ekW
Minimum Rating 50 ekW
Emissions/Fuel Strategy U.S. EPA Cert., Tier 3, SCAQMD Compliant
D50 GC Generator Set

DE55 GC Generator Set (60 Hz)

Frequency 60 Hz
Maximum Rating 50 ekW
Emissions/Fuel Strategy Non Regulated
DE55 GC Generator Set (60 Hz)

DE56AE0 (60 Hz) Generator Set

Maximum Rating 45 ekW
Minimum Rating 40 ekW
Emissions/Fuel Strategy Non-Certified Emissions
DE56AE0 (60 Hz) Generator Set

DE50 GC Generator Set (60 Hz)

Maximum Rating 45 ekW
Duty Cycle Standby
Emissions/Fuel Strategy Non Regulated
DE50 GC Generator Set (60 Hz)

D40 GC Generator Set

Maximum Rating 40 ekW
Minimum Rating 40 ekW
Emissions/Fuel Strategy U.S. EPA Cert., Tier 3, SCAQMD Compliant
D40 GC Generator Set

DE33 GC Generator Set (60 Hz)

Maximum Rating 30.0 ekW
Minimum Rating 30.0 ekW
Emissions/Fuel Strategy Non Regulated
DE33 GC Generator Set (60 Hz)

C2.2 | D30 Generator Set

Standby Rating 30.0 ekW
Frequency 60 Hz
Emissions/Fuel Strategy US EPA TIER 4I (EPA 40 CFR Part 1039 Interim Tier 4)
C2.2 | D30 Generator Set

C2.2 | D25 Generator Set

Standby Rating 25.0 ekW
Frequency 60 Hz
Emissions/Fuel Strategy US EPA TIER 4I (EPA 40 CFR Part 1039 Interim Tier 4)
C2.2 | D25 Generator Set

C2.2 | D20 Generator Set

Standby Rating 20.0 ekW
Frequency 60 Hz
Emissions/Fuel Strategy US EPA TIER 4I (EPA 40 CFR Part 1039 Interim Tier 4)
C2.2 | D20 Generator Set

C2.2 Generator Set

Maximum Rating 22.0 kVA
Minimum Rating 13.0 kVA
Emissions/Fuel Strategy R96/EUIIIa Equivalent
C2.2 Generator Set

C1.5 Generator Set

Maximum Rating 13.5 kVA
Minimum Rating 10.0 kVA
Emissions/Fuel Strategy R96/EUIIIa Equivalent
C1.5 Generator Set

C1.1 Generator Set

Maximum Rating 9.5 kVA
Minimum Rating 6.8 kVA
Emissions/Fuel Strategy R96/EUIIIa Equivalent
C1.1 Generator Set

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