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Generac GR8 Generator Set

The Generac GR8 is a 8 kW #2D Fuel standby generator set powered by a ISM Diesel 1.0 DN engine. It is available at 120/240 V, single-phase, 60 Hz and rated 33 A. It holds about 3.5 L (0.9 gal) of oil and 6.6 L (1.7 gal) of coolant, with a maximum ambient rating of 43.3 °C. Starting uses group-26 battery at 12 V. The set weighs about 555.6 kg (1225 lb) and produces 68 dBA at 7 m. An integrated tank holds 185.5 L (49.0 gal).

8 kW
Standby
0.954 L
Displacement
3.5 L
Oil capacity
1
Document types

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Specifications

Fuel#2D Fuel
Frequency60.0 Hz
Standby power8 kW
Prime power6.4 kW
Oil capacity3.5 L
Voltage options120/240 V
Phase1-phase
Rated current33 A
Power factor1
Battery group26F
Battery voltage12 V
Coolant capacity6.6 L
Max ambient43.3 °C
Dry weight555 kg
Sound level68.0 dBA @ 7 m
Fuel tank185.5 L

Engine

ISM Diesel 1.0 DN
Oil capacity3.5 L
Coolant capacity2.8 L
Displacement0.954 L
AspirationNaturally Aspirated
Rated speed1800 rpm

Common questions

What is the power rating of the Generac GR8?

The Generac GR8 is rated 8 kW standby.

What engine is in the Generac GR8?

The Generac GR8 is powered by the ISM Diesel 1.0 DN engine.

What kind of fuel does the Generac GR8 run on?

The Generac GR8 runs on #2D Fuel.

What's the oil capacity on a Generac GR8?

The ISM Diesel 1.0 DN engine in the Generac GR8 has an oil capacity of 3.5 liters.

What is the cooling system capacity of the Generac GR8?

The Generac GR8 cooling system holds 6.6 liters (1.7 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

What is the prime power rating of the Generac GR8?

The Generac GR8 is rated 6.4 kW prime, against 8 kW standby.

How loud is the Generac GR8?

The Generac GR8 is rated at 68.0 dBA at 7 m, per the manufacturer specification sheet.

What is the dry weight of the Generac GR8?

The Generac GR8 has a dry weight of 555 kg (1224 lb).

How big is the fuel tank on the Generac GR8?

The Generac GR8 has a 185.5 liter (49 US gallon) fuel tank.

What voltage does the Generac GR8 produce?

The Generac GR8 is offered in 120/240 V, 1-phase-phase.

Fuel consumption

RatingLoadL/hgal/h
Prime25%1.00.28
Prime50%1.60.42
Prime75%1.90.5
Prime100%2.50.67
Standby25%1.30.35
Standby50%2.00.52
Standby75%2.40.63
Standby100%3.20.84

Available documents

Spec sheet — 0162990SBY (Generac)

This page was generated from the 1 manufacturer document above by automated extraction; every figure shown is copied from one of them. How the data is compiled.