Specifications
| Fuel | GN/GLP |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 18 kW |
| Standby kVA | 20 |
| Controller | Evolution |
| Oil capacity | 1.8 L |
| Voltage options | 220 V, 240 V |
| Phase | Monofasico |
| Power factor | 1.0 |
| Dry weight | 234 kg |
| Sound level | 66.0 dBA @ 7 m |
Engine
| Oil capacity | 1.8 L |
|---|---|
| Displacement | 0.76 L |
| Aspiration | Overhead Valve |
| Rated speed | 3600 rpm |
Maintenance & consumables
for the Generac OHVI V-twin| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | find | |||
| Fuel filter | — | find | |||
| Oil filter | Standard | — | 200 hr | find | |
| Belt | — | find | |||
| Coolant | Standard | 1.8 liters | — | ||
| Oil | 2 year/200 hour oil change interval | 1.8 | — | 200 hr |
Common questions
What is the power rating of the Generac GUARDIAN 20?
The Generac GUARDIAN 20 is rated 18 kW standby (20.0 kVA).
What engine does the Generac GUARDIAN 20 use?
The Generac GUARDIAN 20 is powered by the Generac OHVI V-twin engine.
What fuel does the Generac GUARDIAN 20 use?
The Generac GUARDIAN 20 runs on GN/GLP.
What is the oil capacity of the Generac GUARDIAN 20?
The Generac OHVI V-twin engine in the Generac GUARDIAN 20 has an oil capacity of 1.8 liters.
Parts
9| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 005819-0 | 26R Wet Cell Battery | Battery | Amazon eBay $238.00 PartsGeek | |
| 006199-0 | PMM Starter Kit | Starter | Amazon eBay PartsGeek | |
| 005621-0 | Auxiliary Transfer Switch Contact Kit | Service part / kit | Amazon eBay PartsGeek | |
| 005704-0 | Paint Kit | Service part / kit | Amazon eBay PartsGeek | |
| 006186-0 | Power Management Module (50 Amps) | Service part / kit | Amazon eBay $66.89 PartsGeek | |
| 006212-0 | Cold Weather Kit | Service part / kit | Amazon eBay PartsGeek | |
| 006829-0 | Scheduled Maintenance Kit | Service part / kit | Amazon eBay PartsGeek | |
| G006484-0 | Maintenance Kit | Service part / kit | PartsGeek | |
| G006485-0 | Scheduled Maintenance Kit | Service part / kit | Amazon eBay PartsGeek |
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
Spec sheet — Generac Grupo-electrogeno Serie-Guardian (Generac)