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20VC175-20-GS-50Hz

Auxiliary Engine (Generator Set) · Auxiliary Engines

Class-certified type (DNV register) · technical data sheet not yet verified
3,700 kWPower
20Cylinders
175 mmBore
220 mmStroke
Caterpillar in the SpecCodex register — view brand page →

The Caterpillar 20VC175-20-GS-50Hz is a V‑20, 175 mm bore dual‑fuel auxiliary engine delivering up to 3 700 kW (≈4 400 kVA) for shipboard power generation, with the ability to run on marine diesel oil or LNG.

Specifications

Technical data.reference — unverified

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Displacement per cylinder101.3 liters
Power per cylinder900 kW/cylinder at 500-514 rpm
Bmep21.3/20.7 bar
Fuel consumption (diesel mode)186 g/kWh
Fuel injection systemCommon-Rail-Ignition fuel oil system with cylinder selective gas injection
Turbocharged charge air cooledYes
Four-stroke non-reversibleYes
IMO complianceIMO Tier II in diesel mode; IMO III in gas mode
Methane slip (gas mode)Minimal (stated as feature; specific values not publicly disclosed)
Power (kW)3700
Speed (rpm)1500
Fuel TypeMDO
ConfigurationV
Genset Output (kW)3515
Genset Output (kVA)4394
Frequency (Hz)50
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