Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 50.0 Hz |
| Standby power | 970 kW |
| Standby kVA | 1264 |
| Prime power | 880 kW |
| Oil capacity | 154.0 L |
| Alternator | 35A |
| Voltage options | 24 V |
| Coolant capacity | 192 L |
| Max ambient | 52.3 °C |
| Dimensions (L×W×H) | 3008×1429×2275 mm |
| Dry weight | 3662 kg |
Engine
| Oil capacity | 154.0 L |
|---|---|
| Coolant capacity | 141.0 L |
| Displacement | 30.5 L |
| Aspiration | Turbocharged and charge air-cooled |
| Rated speed | 1500 rpm |
Filters & service parts
model family| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | — |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.
Common questions
What size generator is the Cummins/Onan QST30-G4?
The Cummins/Onan QST30-G4 is rated 970 kW standby (1264.0 kVA).
What engine does the Cummins/Onan QST30-G4 use?
The Cummins/Onan QST30-G4 is powered by the Cummins/Onan QST30G4 engine.
What fuel does the Cummins/Onan QST30-G4 use?
The Cummins/Onan QST30-G4 runs on Diesel.
How much oil does the Cummins/Onan QST30-G4 take?
The Cummins/Onan QST30G4 engine in the Cummins/Onan QST30-G4 has an oil capacity of 154.0 liters.
What alternator comes on the Cummins/Onan QST30-G4?
The Cummins/Onan QST30-G4 uses a 35A alternator.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 100% | 267.0 | 70.5 |
| Standby | 100% | 224.0 | 59.1 |
Available documents
Spec sheet — 0070622 (Cummins/Onan)Spec sheet — 0070623 (Cummins/Onan)Spec sheet — QST30-G4 (Cummins/Onan)Spec sheet — QST30G4 ATA (Cummins/Onan)Reference — 80-1044 (Cummins/Onan)Reference — Cummins-C1100D5-Sound-Data-Sheet (Cummins/Onan)