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Generac MB300 Generator Set

The Generac MB300 is a 300 kW Bi-Fuel standby generator set powered by a Generac 12.0DTA engine. It is available at 120/208 V, 277/480 V and 345/600 V, 3-phase and 60 Hz. It holds about 31 L (8.2 gal) of oil and 40.12 L (10.6 gal) of coolant, with a maximum ambient rating of 50 °C.

300 kW
Standby
11.945 L
Displacement
31.0 L
Oil capacity
2
Document types

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Specifications

FuelBi-Fuel
Frequency60.0 Hz
Standby power300 kW
ControllerPowerManager Digital Platform
Oil capacity31.0 L
Voltage options120/208 V, 277/480 V, 345/600 V
Phase3-phase
Power factor0.8
Coolant capacity40.12 L
Max ambient50 °C

Engine

Generac 12.0DTA
Oil capacity31.0 L
Coolant capacity22.0 L
Displacement11.945 L
AspirationTurbocharged, Aftercooled
Rated speed1800 rpm

Common questions

What is the power rating of the Generac MB300?

The Generac MB300 is rated 300 kW standby.

What engine does the Generac MB300 use?

The Generac MB300 is powered by the Generac 12.0DTA engine.

What fuel does the Generac MB300 use?

The Generac MB300 runs on Bi-Fuel.

What is the oil capacity of the Generac MB300?

The Generac 12.0DTA engine in the Generac MB300 has an oil capacity of 31.0 liters.

Fuel consumption

RatingLoadL/hgal/h
Standby40%9.122.41
Standby41%9.382.48
Standby58%5.341.41
Standby60%9.732.57
Standby80%9.082.4
Standby83%7.572.0
Standby100%20.145.32

Available documents

Brochure — 0166950SBY (Generac)Spec sheet — 0169170SBY (Generac)