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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 DTA engine. It is available at 277/480 V, 120/208 V and 345/600 V, 60 Hz. It holds about 31.04 L (8.2 gal) of oil and 86.6 L (22.9 gal) of coolant, with a maximum ambient rating of 48.89 °C.

300 kW
Standby
11.95 L
Displacement
31.04 L
Oil capacity
2
Document types

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Specifications

Fuelbi-fuel
Frequency60.0 Hz
Standby power300 kW
ControllerPowerManager Digital Platform
Oil capacity31.04 L
Voltage options277/480 V, 120/208 V, 345/600 V
Power factor0.8
Coolant capacity86.6 L
Max ambient48.89 °C

Engine

Generac 12 DTA
Oil capacity31.0 L
Coolant capacity83.28 L
Displacement11.95 L
AspirationTurbocharged/Aftercooled (Air to Air)
Rated speed2280 rpm

Common questions

What is the power rating of the Generac MB300?

The Generac MB300 is rated 300 kW standby.

What engine is in the Generac MB300?

The Generac MB300 is powered by the Generac 12 DTA 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 DTA engine in the Generac MB300 has an oil capacity of 31.0 liters.

How much coolant does the Generac MB300 hold?

The Generac MB300 cooling system holds 86.6 liters (22.9 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What voltage does the Generac MB300 produce?

The Generac MB300 is offered in 277/480 V, 120/208 V, 345/600 V.

Fuel consumption

RatingLoadL/hgal/h
Standby40%9.122.41
Standby60%9.732.57
Standby80%9.082.4
Standby100%20.145.32

Available documents

Spec sheet — 0169170SBY (Generac)Reference — 0169170SBY (Generac)

This page was generated from the 2 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.

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