Service parts for the SD020
Grouped by system, with how many of each the parts manual calls for.
Electrical
1 required27F/31Batteryfind
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Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 20 kW |
| Standby kVA | 25 |
| Prime power | 18 kW |
| Emissions | Stationary Emergency |
| Controller | Digital H Control Panel - Dual 4x20 Display |
| Oil capacity | 6.2 L |
| Alternator | 390 (4-pole, Class H insulation) |
| Voltage options | 120/240 V, 120/208 V, 277/480 V, 346/600 V |
| Phase | Three-Phase |
| Rated current | 83 A |
| Power factor | 0.8 |
| Battery group | See Battery Index 0161970SBY |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 2.8 L |
| Max ambient | 43.3 °C |
| Dimensions (L×W×H) | 1930×914×1168 mm |
| Dry weight | 934 kg |
Engine
| Oil capacity | 6.2 L |
|---|---|
| Coolant capacity | 2.8 L |
| Displacement | 2.4 L |
| Aspiration | Turbocharged |
| Rated speed | 1800 rpm |
Filters & service parts
model family| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | 10 Micron | — | 100 hr | ||
| Oil filter | Full flow, cartridge | — | 100 hr | ||
| Battery | 27F/31 | 27F/31 | 100 hr | buy | |
| Belt | Direct, Flexible Disc | — | 100 hr | ||
| Coolant filter | 5 | — | 100 hr | ||
| Fuel | #2D Fuel (Min Cetane #40) | — | |||
| Oil | Gear | 6.2 L | — | 100 hr | |
| Spark plug | Direct, Flexible Disc | — | 100 hr |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.
Common questions
How many kW is the Generac SD020?
The Generac SD020 is rated 20 kW standby (25.0 kVA).
What engine is in the Generac SD020?
The Generac SD020 is powered by the Generac SD020 engine.
What fuel does the Generac SD020 use?
The Generac SD020 runs on Diesel.
What's the oil capacity on a Generac SD020?
The Generac SD020 engine in the Generac SD020 has an oil capacity of 6.2 liters.
What alternator does the Generac SD020 use?
The Generac SD020 uses a 390 alternator. It has 4 poles. Insulation class H.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Standby | 25% | 2.5 | 0.65 |
| Standby | 50% | 4.3 | 1.14 |
| Standby | 75% | 5.5 | 1.45 |
| Standby | 100% | 6.7 | 1.76 |
Available documents
Spec sheet — 0k5083-sd020-2-4l (Generac)Reference — sd020-20kw-diesel-generator-specsheet (Generac)Parts manual — 0169510SBY (Generac)Parts manual — 0185810SBY (Generac)