Name: Generac SG020 Generator Set
Brand: Generac

Fuel	N.G./L.P.
Frequency	60.0 Hz
Standby power	20 kW
Standby kVA	20
Prime power	16 kW
Controller	H-100
Oil capacity	4.25 L
Alternator	MMC 4G15 (2-pole, Class Class F insulation)
Voltage options	120/240 V, 120/208 V, 277/480 V
Phase	1-phase, 3-phase
Rated current	83.3 A
Power factor	1.0
Battery group	27F
Battery voltage	12 V
Battery quantity	1
Coolant capacity	6.6 L

for the Generac MMC 4G15

Item	Spec	Capacity	Part #	Interval
Air filter	N.G./L.P.		—	100 hr
Fuel filter	Nat. Gas or L.P . Vapor Systems		—	100 hr
Oil filter	Full flow, cartridge		—	100 hr
Battery	12 V, 90 A.H., 27F	×1	—	100 hr
Belt	Flexible Fuel Lines		—	100 hr
Coolant	Cooling system with coolant capacity of 2 US gallons, radiator capacity of 1.75 US gallons, and coolant flow rate of 10.6 US gallons per minute		—
Oil	Gear type oil pump, full flow, cartridge oil filter	3.8 L	—
Spark plug	Not specified		—	1000 hr

How many kW is the Generac SG020?

The Generac SG020 is rated 20 kW standby (20.0 kVA).

Which engine powers the Generac SG020?

The Generac SG020 is powered by the Generac MMC 4G15 engine.

What fuel type does the Generac SG020 take?

The Generac SG020 runs on N.G./L.P..

What is the oil capacity of the Generac SG020?

The Generac MMC 4G15 engine in the Generac SG020 has an oil capacity of 3.8 liters.

What alternator comes on the Generac SG020?

The Generac SG020 uses a MMC 4G15 alternator. It has 2 poles. Insulation class Class F.

Rating	Load	L/h	gal/h
Standby	100%	153.0	4.3

Reference — 0172320SBY (Generac)Parts manual — 0172510SBY (Generac)