HomeGeneracGenerac SG275

Generac SG275 Generator Set

The Generac SG275 is a 275 kW (344 kVA) Natural Gas standby generator set powered by a Generac 13.3GTA engine. It is available at 120/208 V, 120/240 V, 277/480 V and 346/600 V, Three-Phase-phase and 60 Hz. It holds about 34.3 L (9.1 gal) of oil and 71.9 L (19.0 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 2 group-31 batteries rated 925 CCA at 24 V. The set measures 3524.1×1463.1×1728.3 mm (138.7×57.6×68.0 in), weighs about 2998 kg (6609 lb) and produces 90 dBA at 7 m.

275 kW
Standby
13.3 L
Displacement
34.3 L
Oil capacity
1
Document types

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Specifications

FuelNatural Gas
Frequency60.0 Hz
Standby power275 kW
Standby kVA344
Prime power248 kW
EmissionsEPA Certified Stationary Emergency
ControllerH-100
Oil capacity34.3 L
AlternatorGenerac 520mm
Voltage options120/208 V, 120/240 V, 277/480 V, 346/600 V
PhaseThree-Phase
Power factor0.8
Battery group31
Battery cranking925 CCA
Battery voltage24 VDC V
Battery quantity2
Coolant capacity71.9 L
Max ambient50 °C
Dimensions (L×W×H)3524×1463×1728 mm
Dry weight2998 kg
Sound level90.0 dBA @ 7 m

Engine

Generac 13.3GTA
Oil capacity27.0 L
Coolant capacity21.0 L
Displacement13.3 L
AspirationTurbocharged/Aftercooled
Rated speed1800 rpm

Maintenance & consumables

for the Generac 13.3GTA
ItemSpecCapacityPart #Interval
Oil filterFull flow, cartridge find

Common questions

What is the power rating of the Generac SG275?

The Generac SG275 is rated 275 kW standby (344.0 kVA).

What engine does the Generac SG275 use?

The Generac SG275 is powered by the Generac 13.3GTA engine.

What fuel does the Generac SG275 use?

The Generac SG275 runs on Natural Gas.

What is the oil capacity of the Generac SG275?

The Generac 13.3GTA engine in the Generac SG275 has an oil capacity of 27.0 liters.

What alternator does the Generac SG275 use?

The Generac SG275 uses a Generac 520mm alternator.

Fuel consumption

RatingLoadL/hgal/h
25%
50%
75%
100%
Standby
Standby25%77.8
Standby50%137.0
Standby75%193.3
Standby100%239.8

Available documents

Spec sheet — 0172640SBY (Generac)Spec sheet — 0k4298-b-sg275-12-9l-60hz-1 (Generac)Spec sheet — 0l0031-sg275-rev-a (Generac)Spec sheet — Generac 275kW SG275 Gas Generator 14.2L (Generac)