Diesel Generator Sets
Cat® diesel generator sets, engineered for industrial, commercial, and mission-critical applications. deliver dependable standby and prime power where reliability is paramount. Our product range spans 6.8 to 5,720 ekW (6.8 to 7,150 kVA) in both 50 Hz and 60 Hz configurations, giving consultants and contractors precise flexibility during project design.
Each generator set is engineered for optimal efficiency and long-term durability, contributing to low operating costs and typically consuming less than 0.1 gallons (0.38 L) of diesel per kilowatt-hour. Systems are rigorously tested for stable output, rapid response during load changes, and consistent performance in demanding environments.
Cat diesel generator sets can last up to 15-30 years with lifespans of 20,000 to 30,000 operating hours. Whether supporting emergency backup for facilities or providing continuous power for ongoing operations, our commercial and industrial diesel generator sets help minimize integration complexity and deliver reliable power when it matters most.
Get a quote
Cat® diesel generator sets, engineered for industrial, commercial, and mission-critical applications. deliver dependable standby and prime power where reliability is paramount. Our product range spans 6.8 to 5,720 ekW (6.8 to 7,150 kVA) in both 50 Hz and 60 Hz configurations, giving consultants and contractors precise flexibility during project design.Each generator set is engineered for optimal efficiency and long-term durability, contributing to low operating costs and typically consuming less than 0.1 gallons (0.38 L) of diesel per kilowatt-hour. Systems are rigorously tested for stable output, rapid response during load changes, and consistent performance in demanding environments. Cat diesel generator sets can last up to 15-30 years with lifespans of 20,000 to 30,000 operating hours. Whether supporting emergency backup for facilities or providing continuous power for ongoing operations, our commercial and industrial diesel generator sets help minimize integration complexity and deliver reliable power when it matters most.
Diesel Generator Sets
-
D125 GC Generator Set
Maximum Rating
125 ekWMinimum Rating
125 ekWEmissions/Fuel Strategy
U.S. EPA Cert., Tier 3 -
DE169AE0 (50 Hz) Generator Set
Maximum Rating
149.0 kVAMinimum Rating
135.0 kVAEmissions/Fuel Strategy
Non-Certified Emissions -
DE165E0 (50 Hz) Generator Set
Minimum Rating
150 kVAMaximum Rating
165 kVAEmissions/Fuel Strategy
Non Regulated -
DE150 GC Generator Set (50 Hz)
Maximum Rating
150 kVAMinimum Rating
150 kVAEmissions/Fuel Strategy
Non Regulated -
C4.4 Generator Set
Maximum Rating
100 ekWMinimum Rating
72 ekWEmissions/Fuel Strategy
U.S. EPA Cert., Tier 3 -
C4.4 Generator Set
Maximum Rating
100 ekWMinimum Rating
36 ekWEmissions/Fuel Strategy
Non Regulated, EU Stage II -
C4.4 Generator Set
Maximum Rating
110 kVAMinimum Rating
50 kVAEmissions/Fuel Strategy
EU Stage II & R96/EUIIIa -
DE110E2 (50 Hz) Generator Set
Minimum Rating
100.0 kVAMaximum Rating
110.0 kVAEmissions/Fuel Strategy
EU Stage II R96 -
DE125AE0 (60 Hz) Generator Set
Maximum Rating
100.0 ekWMinimum Rating
90.4 ekWEmissions/Fuel Strategy
Non-Certified Emissions -
DE110 GC Generator Set (60 Hz)
Maximum Rating
100 ekWMinimum Rating
100 ekWEmissions/Fuel Strategy
Non Regulated -
D100 GC Generator Set
Maximum Rating
100 ekWMinimum Rating
100 ekWEmissions/Fuel Strategy
U.S. EPA Cert., Tier 3 -
DE125AE0 (50 Hz) Generator Set
Maximum Rating
110.0 kVAMinimum Rating
100.0 kVAEmissions/Fuel Strategy
Non-Certified Emissions -
DE110 GC Generator Set (50 Hz)
Maximum Rating
110 kVAMinimum Rating
110 kVAEmissions/Fuel Strategy
Non Regulated -
DE88 GC Generator Set (60 Hz)
Maximum Rating
80 ekWMinimum Rating
80 ekWEmissions/Fuel Strategy
Non Regulated -
DE100AE0 (60 Hz) Generator Set
Maximum Rating
80.0 ekWMinimum Rating
72.0 ekWEmissions/Fuel Strategy
Non-Certified Emissions -
D80 GC Generator Set
Maximum Rating
80 ekWMinimum Rating
80 ekWEmissions/Fuel Strategy
U.S. EPA Cert., Tier 3 -
DE100AE0 (50 Hz) Generator Set
Maximum Rating
88.0 kVAMinimum Rating
80.0 kVAEmissions/Fuel Strategy
Non-Certified Emissions -
DE88E0 (50 Hz) Generator Set
Minimum Rating
80 kVAMaximum Rating
88 kVAEmissions/Fuel Strategy
Non Regulated -
DE88 GC Generator Set (50 Hz)
Maximum Rating
88 kVAMinimum Rating
88 kVAEmissions/Fuel Strategy
Non Regulated -
C4.4 Generator Set
Maximum Rating
60 ekWMinimum Rating
36 ekWEmissions/Fuel Strategy
U.S. EPA Cert., Tier 3 -
D60 GC Generator Set
Maximum Rating
60 ekWMinimum Rating
60 ekWEmissions/Fuel Strategy
U.S. EPA Cert., Tier 3 -
DE50E0 (50 Hz) Generator Set
Minimum Rating
45.0 kVAMaximum Rating
50.0 kVAEmissions/Fuel Strategy
Non Regulated -
DE33E0 (50 Hz) Generator Set
Minimum Rating
30 kVAMaximum Rating
33 kVAEmissions/Fuel Strategy
Non Regulated -
DE65E0 (50 Hz) Generator Set
Minimum Rating
60 kVAMaximum Rating
65 kVAEmissions/Fuel Strategy
Non Regulated -
DE26E0S (50 Hz) Generator Set
Minimum Rating
24 kVAMaximum Rating
26 kVAEmissions/Fuel Strategy
Non Regulated -
C3.3 Generator Set
Maximum Rating
60.0 ekWMinimum Rating
27.0 ekWEmissions/Fuel Strategy
EU Stage II & R96/EUIIIa -
DE65 GC Generator Set (60 Hz)
Maximum Rating
60 ekWMinimum Rating
60 ekWEmissions/Fuel Strategy
Non Regulated -
DE75AE0 (60 Hz) Generator Set
Maximum Rating
60 ekWMinimum Rating
55.0 ekWEmissions/Fuel Strategy
Non-Certified Emissions -
C3.3 Generator Set
Maximum Rating
65.0 kVAMinimum Rating
24.0 kVAEmissions/Fuel Strategy
EU Stage II R96/EUIIIa -
DE65 GC Generator Set (50 Hz)
Maximum Rating
65.0 kVAMinimum Rating
65.0 kVAEmissions/Fuel Strategy
Non Regulated -
DE75AE0 (50 Hz) Generator Set
Maximum Rating
75.0 kVAMinimum Rating
60.0 kVAEmissions/Fuel Strategy
Non-Certified Emissions -
D50 GC Generator Set
Maximum Rating
50 ekWMinimum Rating
50 ekWEmissions/Fuel Strategy
U.S. EPA Cert., Tier 3, SCAQMD Compliant -
DE55 GC Generator Set (60 Hz)
Frequency
60 HzMaximum Rating
50 ekWEmissions/Fuel Strategy
Non Regulated -
DE56AE0 (60 Hz) Generator Set
Maximum Rating
45 ekWMinimum Rating
40 ekWEmissions/Fuel Strategy
Non-Certified Emissions -
DE50 GC Generator Set (60 Hz)
Maximum Rating
45 ekWDuty Cycle
StandbyEmissions/Fuel Strategy
Non Regulated -
DE55 GC Generator Set (50 Hz)
Maximum Rating
55.0 kVAMinimum Rating
55.0 kVAEmissions/Fuel Strategy
Non Regulated -
D40 GC Generator Set
Maximum Rating
40 ekWMinimum Rating
40 ekWEmissions/Fuel Strategy
U.S. EPA Cert., Tier 3, SCAQMD Compliant -
DE50 GC Generator Set (50 Hz)
Maximum Rating
50.0 kVAMinimum Rating
50.0 kVAEmissions/Fuel Strategy
Non Regulated -
DE56AE0 (50 Hz) Generator Set
Maximum Rating
49.2 kVAMinimum Rating
45.0 kVAEmissions/Fuel Strategy
Non-Certified Emissions -
DE33 GC Generator Set (60 Hz)
Maximum Rating
30.0 ekWMinimum Rating
30.0 ekWEmissions/Fuel Strategy
Non Regulated -
DE33 GC Generator Set (50 Hz)
Maximum Rating
33.0 kVAMinimum Rating
33.0 kVAEmissions/Fuel Strategy
Non Regulated -
C2.2 | DE22E3 50Hz EU IIIA EMISSIONS COMPLIANT
Minimum Rating
20 kVAMaximum Rating
22 kVAEmissions/Fuel Strategy
R96/EUIIIa Equivalent -
C2.2 | DE18E3 50Hz EU IIIA EMISSIONS COMPLIANT
Minimum Rating
16.5 kVAMaximum Rating
18 kVAEmissions/Fuel Strategy
R96/EUIIIa Equivalent -
C2.2 | DE16E3S 50Hz EU IIIA EMISSIONS COMPLIANT
Minimum Rating
15 kVAMaximum Rating
16.5 kVAEmissions/Fuel Strategy
R96/EUIIIa Equivalent -
C2.2 | D30 Generator Set
Standby Rating
29.6 ekWFrequency
60 HzEmissions/Fuel Strategy
US EPA TIER 4I (EPA 40 CFR Part 1039 Interim Tier 4) -
C2.2 | D25 Generator Set
Standby Rating
25.0 ekWFrequency
60 HzEmissions/Fuel Strategy
US EPA TIER 4I (EPA 40 CFR Part 1039 Interim Tier 4) -
C2.2 | D20 Generator Set
Standby Rating
20.0 ekWFrequency
60 HzEmissions/Fuel Strategy
US EPA TIER 4I (EPA 40 CFR Part 1039 Interim Tier 4) -
C2.2 Generator Set
Maximum Rating
20.0 ekWMinimum Rating
15.5 ekWEmissions/Fuel Strategy
R96/EUIIIa Equivalent -
C2.2 Generator Set
Maximum Rating
22.0 kVAMinimum Rating
13.0 kVAEmissions/Fuel Strategy
R96/EUIIIa Equivalent -
C1.5 | DE13.5E3 50Hz R96/ EUIIIA Equivalent
Minimum Rating
12.5 kVAMaximum Rating
13.5 kVAEmissions/Fuel Strategy
R96/EUIIIa Equivalent -
C1.5 | DE11E3S 50Hz R96/ EUIIIA Equivalent
Minimum Rating
10 kVAMaximum Rating
11 kVAEmissions/Fuel Strategy
R96/EUIIIa Equivalent -
C1.5 Generator Set
Maximum Rating
13.2 ekWMinimum Rating
12.0 ekWEmissions/Fuel Strategy
R96/EUIIIa Equivalent -
C1.5 Generator Set
Maximum Rating
13.5 kVAMinimum Rating
10.0 kVAEmissions/Fuel Strategy
R96/EUIIIa Equivalent -
C1.1 | DE9.5E3 50Hz R96/ EUIIIA Equivalent
Minimum Rating
8.5 kVAMaximum Rating
9.5 kVAEmissions/Fuel Strategy
R96/EUIIIa Equivalent -
C1.1 | DE7.5E3S 50Hz R96/ EUIIIA Equivalent
Minimum Rating
6.8 kVAMaximum Rating
7.5 kVAEmissions/Fuel Strategy
R96/EUIIIa Equivalent -
C1.1 Generator Set
Maximum Rating
8.8 ekWMinimum Rating
8.0 ekWEmissions/Fuel Strategy
R96/EUIIIa Equivalent -
C1.1 Generator Set
Maximum Rating
9.5 kVAMinimum Rating
6.8 kVAEmissions/Fuel Strategy
R96/EUIIIa Equivalent
Get a quote
Association Discounts Available.
Butler has special association discounts available to medical professionals, first responders, active military, veterans, FFA members and more.
Contact us today to save up to $2,000 on the purchase.