Caterpillar (Cat Electric Power)

Cat diesel generator sets span 6.8 to 5,720 ekW. The C175-20 delivers 4,000 ekW standby at 60 Hz without a radiator fan and 3,900 ekW with one; its EPA Tier 2 stationary-emergency builds rate 3,620 and 3,500 ekW. The C175-16 ships as a Tier 4 Final package.

DieselTier 4 Final

Verified 11 Nov 2026

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Facts

Source per value

Smallest unit kW Lowest published electrical output of one generating unit in the named Lines, in kWe. Portfolio minima may include portable models. Standby where available; kVA-only figures assume 0.8 power factor. Consult Rating basis and scope; blank when unverified.: 6.8 2
Largest unit kW Highest published electrical output of one generating unit in the named Lines, in kWe. Standby where available; other duty and frequency bases are disclosed in Rating basis and scope. kVA-only figures assume 0.8 power factor. Mechanical output and multi-unit totals are excluded.: 5,720 2
Prime mover What turns the alternator in the named lines: a reciprocating (piston) engine, a gas turbine, or both.: Reciprocating engine 1
Fuels Fuels the vendor lists for the named lines: diesel, HVO (hydrotreated vegetable oil, EN 15940), natural gas, biogas, propane, hydrogen blends.: Diesel 1
Natural gas units The vendor sells gas-fired units (natural gas, pipeline gas or LNG) in the named lines, for standby, prime or bridge power.: Not published
HVO approved The vendor states that the named diesel lines are approved or released for HVO (renewable diesel, EN 15940 paraffinic fuel). Blank means no such statement was found on the pages read.: Not published
Hydrogen Hydrogen capability exactly as the vendor states it: blend share by volume, '100% hydrogen' or 'hydrogen-ready' with its conditions. Blank when the vendor states none.: Not published
Hydrogen-capable At least one named line runs on a hydrogen blend or is sold as hydrogen-ready, per the vendor. Read the Hydrogen field for the share and conditions.: Not published
Emissions certification Emissions standards the vendor names for the named lines: US EPA Tier 2 (emergency standby) or Tier 4 Final, EU Stage V, TA Luft, CPCB IV+ (India). Certifications vary by model and market.: C175-20: EPA Tier 2 stationary emergency builds (3,620 ekW no fan, 3,500 ekW with fan); C175-16: EPA Tier 4 Final package 3
EPA Tier 4 Final At least one named line is offered as EPA Tier 4 Final certified (engine or genset). Blank means the vendor's pages do not say.: Yes 1
EU Stage V At least one named model is offered as EU Stage V compliant according to the manufacturer. Version and market matter; a blank cell means the cited material did not establish this field.: Not published
Engines Whether the vendor builds the engine or turbine itself or packages engines bought from another maker, per the vendor's own pages.: Own engines 1
Data center offer Dedicated: the vendor names a product line or program for data centers. General: a standard range the vendor documents in data center use. Rental: the vendor rents fleet units for data center bridge or backup power.: General range with data center use 1
Lines The product series this record covers. Ratings, fuels and emissions refer to these lines, not to the vendor's whole portfolio.: Cat diesel generator portfolio, including C175-16, C175-20 and C280; C175-20 60 Hz: 4,000 ekW standby without radiator fan, 3,900 ekW with fan 2
Plants Factories the vendor names for these generator sets, engines or turbines (city and country).: Not published
Capacity and lead-time news The latest dated, sourced statement on factory capacity, expansion investment or lead time for these lines, from the vendor, a filing or trade press. Month and year first.: Not published
Rating basis and scope Duty, frequency, fan allowance, conversion basis and model limitations attached to the published kWe endpoints. Mechanical engine kWm and multi-unit container or plant totals are excluded.: Portfolio: 6.8–5,720 ekW across 50 and 60 Hz. C175-20 60 Hz: 4,000 ekW (no fan) and 3,900 ekW (fan) standby in low-fuel-consumption builds; EPA Tier 2 stationary-emergency builds rate 3,620 ekW (no fan) and 3,500 ekW (fan). C175-16 Tier 4 Final is a separate package. 2
QSK95 DCC minimum kW Cummins QSK95 minimum published Data Center Continuous electrical rating, in kWe; distinct from standby and prime. Not a whole-vendor minimum.: Not published
QSK95 DCC maximum kW Cummins QSK95 maximum published Data Center Continuous electrical rating, in kWe; distinct from standby and prime. Not a whole-vendor maximum.: Not published
Supply and service scope Documented generator supply, installation, commissioning and support services.: Not published
Service coverage Territories explicitly covered by the cited generator supply or service offer.: Not published

Sources

Caterpillar: C175-16 diesel generator set spec sheet LEHE1808-05 (copy hosted by a distributor) accessed 2026-11-11
Caterpillar: diesel generator portfolio (6.8–5,720 ekW) accessed 2026-11-11
Caterpillar: C175-20 60 Hz, 3,150–4,000 ekW; Tier 2 builds 3,500–3,620 ekW accessed 2026-11-11
Caterpillar: electric power ratings guide, C175-16 Tier 4 Final accessed 2026-11-11

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