Specifications
| Fuel | NG/LP |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 40 kW |
| Prime power | 40 kW |
| Controller | POWERZONE 410 |
| Oil capacity | 11.0 L |
| Voltage options | 120/240 V, 208/120 V, 240/120 V, 480/277 V |
| Phase | 1-Phase,3-Phase |
| Rated current | [167, 139, 120, 60] A |
| Circuit breaker | 200 A |
| Battery group | 27R |
| Battery cranking | 725 CCA |
| Battery voltage | 12 V |
| Coolant capacity | 11 L |
| Max ambient | 50 °C |
| Sound level | 64.0 dBA @ 7 m |
Maintenance & consumables
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | find | |||
| Fuel filter | — | find | |||
| Oil filter | — | find | |||
| Belt | — | find | |||
| Coolant | — | ||||
| Oil | 4.5 L Gaseous Engine Regular Maintenance Kit | G0079910 | Amazon eBay |
Common questions
What is the power rating of the Generac XG04045?
The Generac XG04045 is rated 40 kW standby.
What fuel does the Generac XG04045 use?
The Generac XG04045 runs on NG/LP.
Parts
24| Part # | Description | Qty | System | |
|---|---|---|---|---|
| G0074110 | 3-Phase Voltage Sensing Kit for 208/120 & 240/120 V RTS Transfer Switch | Voltage sensing kit | Amazon eBay | |
| G0074120 | 3-Phase Voltage Sensing Kit for 480/277 V RTS Transfer Switch | Voltage sensing kit | Amazon eBay | |
| G0079910 | Regular maintenance kit includes oil filter, oil funnel, air filter, and spark plugs. | Air filter | Amazon eBay | |
| G0079920 | Battery Heater Kit | Battery heater kit | Amazon eBay | |
| G0089360 | Power Zone Gateway Kit | Gateway kit | Amazon eBay | |
| G0089370 | Power Zone 410 I/O Extender Kit | Io extender kit | Amazon eBay | |
| G0098511 | Remote Annunciator Panel with 8 Relays | Annunciator panel | Amazon eBay $134.75 | |
| G0098521 | Remote Relay Panel | Relay panel | Amazon eBay | |
| G0098531 | Remote Annunciator Panel without Relays | Annunciator panel | Amazon eBay $139.99 | |
| G0099120 | NFPA 110 Controller Kit | Controller | buy | |
| G0099150 | Baseframe Blockoff Kit, XG03245, XG04045, & XG04845 | Baseframe blockoff kit | buy | |
| G0099160 | Engine Fluid Containment Kit, XG03245, XG04045, & XG04845 | Engine fluid containment kit | buy | |
| G0099230 | Engine Block Heater Kit | Engine block heater kit | buy | |
| G0099010 | Voltage Configuration Cartridge (VCC) for 208/120 V 3-Phase output; INSTALLED in every 3-phase XG03245 and XG04045 model. | Service part / kit | buy | |
| G0099020 | Voltage Configuration Cartridge (VCC) for 240/120 V 3-Phase output; NOT included with any XG03245 or XG04045 model. | Service part / kit | buy | |
| G0099030 | Voltage Configuration Cartridge (VCC) for 480/277 V 3-Phase output; NOT included with any XG03245 or XG04045 model. | Service part / kit | buy | |
| G0099040 | 3–pole, 60 A CB and mounting hardware (typical for 32kW, 480/277 V 3–phase generator) | Service part / kit | buy | |
| G0099050 | 3–pole, 80 A CB and mounting hardware (typical for 40kW, 480/277 V 3–phase generator) | Service part / kit | buy | |
| G0099060 | 3–pole, 100 A CB and mounting hardware (typical for 32kW, 240/120 V 3–phase generator) | Service part / kit | buy | |
| G0099070 | 3–pole, 125 A CB and mounting hardware (typical for 32kW, 208/120 V 3–phase generator) | Service part / kit | buy | |
| G0099080 | 3–pole, 150 A CB and mounting hardware (typical for 40kW, 240/120 or 208/120 V 3–phase generator) | Service part / kit | buy | |
| G0099090 | 3–pole, 175 A CB and mounting hardware (typical for 40kW, 208/120 V 3–phase generator) | Service part / kit | buy | |
| G0099190 | 3–pole, 70 A CB and mounting hardware (typical for 40kW, 480/277 V 3–phase generator) | Service part / kit | buy | |
| G0099200 | 3–pole, 200 A CB and mounting hardware (typical for 40kW, 208/120 V 3–phase generator) | Service part / kit | buy |
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 | 25% | 8.3 | 2.2 |
| Standby | 50% | 12.9 | 3.4 |
| Standby | 75% | 15.8 | 4.2 |
| Standby | 100% | 18.5 | 4.9 |
Available documents
Spec sheetOperator's manualParts manual