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Generac SG135 Generator Set

The Generac SG135 is a 135 kW (135 kVA) Natural Gas or L.P. Vapor standby generator set powered by a Generac 13.3GN engine. It is available at 120/240 V, 120/208 V, 277/480 V and 600 V, 1-phase and 60 Hz. It holds about 27 L (7.1 gal) of oil and 29 L (7.7 gal) of coolant, with a maximum ambient rating of 43 °C. The set weighs about 2086.52 kg (4600 lb). An integrated tank holds 2081 L (549.7 gal), roughly 59.9 hours of runtime.

135 kW
Standby
13.3 L
Displacement
27.0 L
Oil capacity
2
Document types

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Specifications

FuelNatural Gas or L.P. Vapor
Frequency60.0 Hz
Standby power135 kW
Standby kVA135
Prime power100 kW
ControllerSolid-state
Oil capacity27.0 L
Voltage options120/240 V, 563 V, 120/208 V, 469 V, 406 V, 277/480 V, 203 V, 600 V, 163 V
Phase1-phase,3-phase
Power factor[1.0, 0.8]
Battery voltage24 V
Battery quantity2
Coolant capacity29 L
Max ambient43 °C
Dry weight2086 kg
Fuel tank2081.0 L
Tank runtime[59.9, 47.3] hr

Engine

Generac 13.3GN
Oil capacity27.0 L
Coolant capacity29.0 L
Displacement13.3 L
AspirationNaturally Aspirated
Rated speed1800 rpm

Maintenance & consumables

for the Generac 13.3GN
ItemSpecCapacityPart #Interval
Air filter find
Fuel filter find
Oil filterFull flow, cartridge find
BeltDirect, Flexible Disc find
Coolant29.0 L
OilGear Driven27.0 L

Common questions

What is the power rating of the Generac SG135?

The Generac SG135 is rated 135 kW standby (135.0 kVA).

What engine does the Generac SG135 use?

The Generac SG135 is powered by the Generac 13.3GN engine.

What fuel does the Generac SG135 use?

The Generac SG135 runs on Natural Gas or L.P. Vapor.

What is the oil capacity of the Generac SG135?

The Generac 13.3GN engine in the Generac SG135 has an oil capacity of 27.0 liters.

Fuel consumption

RatingLoadL/hgal/h
Prime100%46.6
Standby100%59.9

Available documents

Brochure — 0166950SBY (Generac)Spec sheet — 0158580SBY (Generac)Spec sheet — sg135 (Generac)