Above 2 MW, generator selection is driven by paralleling architecture, medium-voltage tie-in, and aftertreatment management. Mission-critical sites (Tier-III/IV data centers, large hospitals) typically deploy paralleled MV gensets with dedicated paralleling switchgear, sub-base or above-ground bulk fuel storage, and SCR/DPF aftertreatment serviced by the OEM service network.
62 models in this category.
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2500 kW diesel with CAT 3516C V-16. EPA Tier 4 Final. Best resale in class. Paralleling for multi-MW arrays.
2.5 MW standby · Diesel · Liquid-cooled
2500 kW diesel standby for hyperscale data centers, campus microgrids, and emission-regulated industrial.
2500 kW diesel standby generator with Cat 3516C V-16 engine. The largest Cat genset platform for mission-critical data centers and industrial power.
Tier 23-phasedata-centerhospital-large
Caterpillar
Cat 3516E
3000 kW diesel with CAT 3516E V-16. Best resale value in class. Paralleling for multi-MW. ~200 US dealers.
3 MW standby · Diesel · Liquid-cooled
3000 kW diesel standby for hyperscale data centers, campus microgrids, and utility peak shaving.
Up to 3000 kW diesel generator with Cat 3516E V-16 engine. 78.1L displacement, Tier 2 equivalent, ATAAC aspiration for standby and mission-critical power.
Tier 23-phasecommercial-standbymission-critical
Caterpillar
Cat C175-16
3100 kW diesel with CAT C175-16 V-16. Medium-voltage capable (4160V/13.8kV). Best resale. Paralleling for multi-MW.
3.1 MW standby · Diesel · Liquid-cooled
3100 kW diesel standby for hyperscale data centers, campus microgrids, and mission-critical infrastructure.
2500-3100 kW diesel generator with Cat C175-16 SCAC V-16 engine. 84.7L displacement, Tier 2, mission-critical and standby power for data centers and large industrial facilities.
Tier 23-phasecommercial-standbymission-critical
Caterpillar
Cat C175-20
4000 kW diesel with CAT C175-20 V-20. CAT largest genset. Medium-voltage capable. Best resale in class.
4 MW standby · Diesel · Liquid-cooled
4000 kW diesel standby for hyperscale data centers, utility-scale backup, and campus microgrids.
Up to 4000 kW diesel generator with Cat C175-20 SCAC V-20 engine. 105.8L displacement, mission-critical and continuous duty power for large industrial and utility applications.
3-phasecommercial-standbymission-critical
Caterpillar
Cat CG260-12
3 MW continuous-duty natural gas. CG260-12 with 254.4L V12 engine. 4160V and 13.8 kV output. Utility peaking, district energy, large-scale CHP.
3 MW standby · Natural Gas · Liquid-cooled
3000 kW continuous and prime power for utility peaking, district energy, large industrial cogeneration, and pipeline gas generation.
3000 kW (3 MW) continuous-duty natural gas generator set. CG260 12-cylinder engine for utility peaking, district energy, and large-scale cogeneration.
2027 kW natural gas with CAT G3516H V-16. Medium-voltage capable. Cogeneration-ready. Best resale in class.
2.0 MW standby · Natural Gas · Liquid-cooled
2027 kW natural gas continuous/cogeneration for industrial CHP, distributed generation, and campus power.
Up to 2027 kW natural gas generator with Cat G3516H V-16 engine. Continuous duty, low-emission gas power for cogeneration, distributed generation, and industrial applications.
2022 kW natural gas with CAT G3520E V-20. 41.5% electrical efficiency. Cogeneration-ready. Best resale in class.
2.0 MW standby · Natural Gas · Liquid-cooled
2022 kW natural gas continuous/CHP for industrial cogeneration, distributed generation, and baseload power.
2022 kW continuous natural gas generator with Cat G3520E V-20 engine. High-efficiency CHP platform for industrial, utility, and distributed generation.
3-phasecogenerationdistributed-generation
Caterpillar
Cat G3520H
2519 kW natural gas with CAT G3520H V-20. Medium-voltage capable. Hydrogen-blend ready. Best resale in class.
2.5 MW standby · Natural Gas · Liquid-cooled
2519 kW natural gas continuous/cogeneration for industrial CHP, distributed generation, and campus power.
Up to 2519 kW natural gas generator with Cat G3520H V-20 engine. 97.5L displacement, continuous duty, hydrogen-blend capable for cogeneration and distributed generation.
3-phasecontinuous-dutycogeneration
Cummins
Cummins C2000 D6
2 MW diesel with QSK60 V-16 engine. Full Cummins vertical integration. Paralleling for multi-MW arrays. Proven mega-diesel platform.
2 MW standby · Diesel · Liquid-cooled
2000 kW diesel standby for Tier III/IV data centers, large industrial facilities, and mission-critical infrastructure requiring multi-megawatt power.
2000 kW diesel standby generator with QSK60 60L V-16 engine. PowerCommand control, liquid-cooled, for data center, industrial, and mission-critical standby applications requiring multi-megawatt power.
Tier 23-phasedata-centerindustrial
Cummins
Cummins C2000 D6e
2 MW Centum Series with QSK50 engine (launched 2024). Smaller footprint, PowerCommand 3.3, charged air-cooled intake. Single-source Cummins platform.
2 MW standby · Diesel · Liquid-cooled
2000 kW Centum diesel standby for data centers and mission-critical facilities requiring 2 MW premium standby power with reduced footprint.
2000 kW Centum Series diesel standby generator with QSK50 engine, launched 2024. PowerCommand 3.3 controller, charged air-cooled intake, smaller footprint, single-source Cummins integration for data center applications.
Tier 23-phasedata-centermission-critical
Cummins
Cummins C2000 N6c
2000 kW natural gas standby -- the largest gas generator in the Cummins lineup. Full 2 MW single-unit gas power for the most demanding mission-critical facilities.
2 MW standby · Natural Gas / LPG · Liquid-cooled
2000 kW natural gas standby for large hospitals, hyperscale data centers, major campuses, and heavy industrial facilities with utility-grade gas service.
2000 kW natural gas standby generator with HSK78G gas engine. 2000 kW / 2500 kVA standby, PowerCommand controls, AmpSentry protection, UL 2200, EPA certified. Largest gas generator in the Cummins lineup.
3-phasecommercial-standbyindustrial-standby
Cummins
Cummins C2000D5
2 MW standby · Diesel · Liquid-cooled
Cummins C2000D5: 2000 kW industrial standby diesel generator powered by the QSK60-G23 engine. Three-phase 277/480V for large data centers and mission-critical infrastructure.
Tier 23-phaseindustrialdata-center
Cummins
Cummins C2250 D6
2.25 MW diesel with QSK60 V-16 engine. Mid-range of the QSK60 platform. Full Cummins vertical integration. Paralleling for multi-MW arrays.
2.3 MW standby · Diesel · Liquid-cooled
2250 kW diesel standby for Tier III/IV data centers, large industrial facilities, and mission-critical infrastructure.
2250 kW diesel standby generator with QSK60 60L V-16 engine. PowerCommand control, liquid-cooled, for data center, industrial, and mission-critical standby applications.
Tier 23-phasedata-centerindustrial
Cummins
Cummins C2500 D6
2.5 MW diesel with QSK60 V-16 engine at peak output. Full Cummins vertical integration. Maximum QSK60 platform capacity in a single genset.
2.5 MW standby · Diesel · Liquid-cooled
2500 kW diesel standby for Tier III/IV data centers, large industrial plants, and mission-critical infrastructure requiring maximum QSK60 output.
2500 kW diesel standby generator with QSK60 60L V-16 engine. PowerCommand control, liquid-cooled, top of the QSK60 platform for data center and mission-critical standby applications.
Tier 23-phasedata-centerindustrial
Cummins
Cummins C2750 D6e
2.75 MW Centum Series with QSK78-G36 engine (launched 2024). Smaller footprint than traditional mega-diesels. PowerCommand 3.3 for hyperscale arrays.
2.8 MW standby · Diesel · Liquid-cooled
2750 kW Centum diesel standby for hyperscale data centers and mission-critical facilities requiring near-3 MW premium standby power.
2750 kW Centum Series diesel standby generator with QSK78-G36 engine, launched 2024. PowerCommand 3.3 controller, charged air-cooled intake, single-source Cummins integration for hyperscale data center applications.
Tier 23-phasedata-centermission-critical
Cummins
Cummins C3000 D6
3 MW diesel with QSK95-G2 V-16 engine. Cummins' largest displacement platform. Full vertical integration. Paralleling for 6-30 MW arrays.
3 MW standby · Diesel · Liquid-cooled
3000 kW diesel standby for hyperscale data centers, large industrial complexes, and utility-scale mission-critical infrastructure.
3000 kW diesel standby generator with QSK95-G2 95L V-16 engine. PowerCommand control, liquid-cooled, for data center, utility, and mission-critical standby applications requiring 3 MW single-engine power.
Tier 23-phasedata-centerindustrial
Cummins
Cummins C3000 D6eb
3 MW Centum Series flagship with QSK78-G37 engine. Smaller footprint than QSK95-based alternatives. PowerCommand 3.3, charged air-cooled intake.
3 MW standby · Diesel · Liquid-cooled
3000 kW Centum diesel standby for hyperscale data centers and mission-critical facilities requiring 3 MW premium standby power in a compact platform.
3000 kW Centum Series diesel standby generator with QSK78-G37 engine. PowerCommand 3.3 controller, charged air-cooled intake, single-source Cummins integration, the flagship Centum genset for hyperscale data center applications.
Tier 23-phasedata-centermission-critical
Cummins
Cummins C3250 D6
3.25 MW diesel with QSK95-G2 V-16. Mid-range of the QSK95 platform. Full Cummins vertical integration for hyperscale standby arrays.
3.3 MW standby · Diesel · Liquid-cooled
3250 kW diesel standby for hyperscale data centers, large industrial complexes, and mission-critical infrastructure.
3250 kW diesel standby generator with QSK95-G2 95L V-16 engine. PowerCommand control, liquid-cooled, for hyperscale data center and mission-critical standby applications.
Tier 23-phasedata-centerindustrial
Cummins
Cummins C3500 D6
3.5 MW diesel with QSK95-G2 V-16 at peak output. Cummins' largest single-engine D6 genset. Full vertical integration for hyperscale standby arrays.
3.5 MW standby · Diesel · Liquid-cooled
3500 kW diesel standby for hyperscale data centers, utility-scale standby, and the largest single-engine mission-critical applications.
3500 kW diesel standby generator with QSK95-G2 95L V-16 engine. PowerCommand control, liquid-cooled, the largest D6 Commercial Diesel genset for hyperscale data center and utility standby applications.
Tier 23-phasedata-centerindustrial
Cummins
Cummins QSK60
2000 kW diesel with QSK60 engine. Full Cummins vertical integration. Paralleling for multi-MW. 10-15% below CAT 3516.
2 MW standby · Diesel · Liquid-cooled
2000 kW diesel standby for hyperscale data centers, large hospitals, and campus microgrids.
2000 kW diesel standby generator. The data center industry standard — V-16, 60.2L, Tier 2. Cummins' flagship for mission-critical power.
Tier 23-phasedata-centerhospital
Cummins
Cummins QSK78
2750 kW diesel with QSK78 engine. Full Cummins vertical integration. Paralleling for multi-MW. 10-15% below CAT 3516B.
2.8 MW standby · Diesel · Liquid-cooled
2750 kW diesel standby for hyperscale data centers, critical infrastructure, and utility peaking.
2750 kW standby / 2500 kW prime diesel generator with QSK78-G14 V18 engine. EPA Tier 4 Final, 78-liter displacement for mission-critical and data center power.
