Specifications
| Fuel | Natural Gas or L.P. Vapor |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 40 kW |
| Standby kVA | 40 |
| Prime power | 33 kW |
| Emissions | EPA Certified |
| Controller | H-100 |
| Oil capacity | 5.7 L |
| Alternator | 390 (Class NEMA MG1-32.6, NEMA MG1-1.66 insulation) |
| Voltage options | 120/240 V, 120/208 V |
| Phase | 1-phase |
| Rated current | 167 A |
| Power factor | 1.0 |
| Circuit breaker | 154 A |
| Battery group | See Battery Index 0161970SBY |
| Battery cranking | 525 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 11.36 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 1930×950×1176 mm |
| Dry weight | 714 kg |
| Tank runtime | N/A hr |
Engine
| Oil capacity | 5.7 L |
|---|---|
| Coolant capacity | 11.36 L |
| Displacement | 5.4 L |
| Aspiration | Naturally Aspirated |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Generac 5.4L| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Oil filter | Full flow spin-on cartridge | — | |||
| Coolant | Pressurized Closed | — | |||
| Oil | 6.0 Quarts | — |
Common questions
How many kW is the Generac SG040?
The Generac SG040 is rated 40 kW standby (40.0 kVA).
What engine is in the Generac SG040?
The Generac SG040 is powered by the Generac 5.4L engine.
What kind of fuel does the Generac SG040 run on?
The Generac SG040 runs on Natural Gas or L.P. Vapor.
What's the oil capacity on a Generac SG040?
The Generac 5.4L engine in the Generac SG040 has an oil capacity of 5.7 liters.
How much coolant does the Generac SG040 hold?
The Generac SG040 cooling system holds 11.36 liters (3.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the continuous rating of the Generac SG040?
The Generac SG040 is rated 33 kW prime (33 kVA), against 40 kW standby.
What is the dry weight of the Generac SG040?
The Generac SG040 has a dry weight of 714 kg (1574 lb).
What voltages is the Generac SG040 available in?
The Generac SG040 is offered in 120/240 V, 120/208 V, 1-phase-phase.
How many cold cranking amps does the Generac SG040 require?
The Generac SG040 uses 1 battery, 12 V each, 525 CCA, group See Battery Index 0161970SBY, per the manufacturer specification sheet.
What alternator comes on the Generac SG040?
The Generac SG040 uses a 390 alternator. Insulation class NEMA MG1-32.6, NEMA MG1-1.66.
Parts
3| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 005632-0 | Cold Weather Kit | Service part / kit | Amazon eBay | |
| 006204-0 | Extreme Cold Weather Kit | Service part / kit | Amazon eBay | |
| 006205-0 | Scheduled Maintenance Kit | Service part / kit | Amazon eBay $99.99 |
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.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Standby | 752.0 | 21.3 | |
| Standby | 25% | 263.0 | 7.5 |
| Standby | 50% | 451.0 | 12.8 |
| Standby | 75% | 609.0 | 17.2 |
| Standby | 100% | 752.0 | 21.3 |
Available documents
This page was generated from the 5 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.