Specifications
| Fuel | Natural Gas |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 500 kW |
| Standby kVA | 625 |
| Emissions | EPA SI Stationary Non-Emergency Certified |
| Controller | PowerCommand (PCC) 3300 |
| Alternator | Stamford/AvK N/A |
| Voltage options | 120/240 V, 120/208 V, 127/220 V, 139/240 V, 220/380 V, 240/416 V, 254/440 V, 277/480 V, 347/600 V |
| Phase | A (U), B (V), C (W) |
| Power factor | 0.8 |
| Battery group | 8D |
| Battery cranking | 1162 CCA |
| Battery voltage | 24 V |
| Battery quantity | 4 |
| Dimensions (L×W×H) | 4756×2330×2721 mm |
Maintenance & consumables
for the Cummins/Onan GTA38E| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | N/A | — | find | ||
| Fuel filter | N/A | — | find | ||
| Oil filter | Four spin-on canisters-combination full flow with bypass | — | find | ||
| Belt | 150 watt anti-condensation heater, DC distribution panel, AC auxiliary distribution panel | — | find | ||
| Coolant | N/A | — | |||
| Oil | N/A | — |
Common questions
What is the power rating of the Cummins/Onan GTA38?
The Cummins/Onan GTA38 is rated 500 kW standby (625.0 kVA).
What engine does the Cummins/Onan GTA38 use?
The Cummins/Onan GTA38 is powered by the Cummins/Onan GTA38E engine.
What fuel does the Cummins/Onan GTA38 use?
The Cummins/Onan GTA38 runs on Natural Gas.
What alternator does the Cummins/Onan GTA38 use?
The Cummins/Onan GTA38 uses a Stamford/AvK N/A alternator.
Parts
31| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 3096680 | Piston STC 13.8:1 Ratio | 1 | Service part / kit | PartsGeek |
| 3096681 | Piston KT Series 15.5:1 Ratio | 1 | Service part / kit | PartsGeek |
| 3096682 | Piston KTA Series 14.5:1 Ratio | 1 | Service part / kit | PartsGeek |
| 3096683 | Piston 13.5:1 Ratio | 1 | Service part / kit | PartsGeek |
| 3096684 | Piston KTA 15.7:1 Ratio | 1 | Service part / kit | PartsGeek |
| 3096685 | Piston STC 13.9:1 Ratio | 1 | Service part / kit | PartsGeek |
| 3628731 | Piston STC Kit | 1 | Service part / kit | PartsGeek |
| 3630913 | Piston KTA-50-G7 | 1 | Service part / kit | PartsGeek |
| 3631241 | Piston Kit STC 13.9:1 Ratio | 1 | Service part / kit | PartsGeek |
| 3631242 | Piston Kit 13.5:1 Ratio | 1 | Service part / kit | PartsGeek |
| 3631243 | Piston Kit KTA 15.7:1 Ratio | 1 | Service part / kit | PartsGeek |
| 3631244 | Piston Kit KTA Series 14.5:1 Ratio | 1 | Service part / kit | PartsGeek |
| 3631245 | Piston Kit KT Series 15.5:1 Ratio | 1 | Service part / kit | PartsGeek |
| 3631246 | Piston Kit STC 13.8:1 Ratio | 1 | Service part / kit | PartsGeek |
| 3803530 | Piston Assembly STC | 1 | Service part / kit | PartsGeek |
| 3804747 | Piston Kit KTA-50-G7 | 1 | Service part / kit | PartsGeek |
| 3804885 | Piston KTA-50-G8/G9 | 1 | Service part / kit | PartsGeek |
| 4089847 | Piston Kit GTA38/19 | 1 | Service part / kit | PartsGeek |
| 4090013 | Piston Kit KTA-38-M2 | 1 | Service part / kit | PartsGeek |
| 4090029 | Piston Kit QSK19CE | 1 | Service part / kit | PartsGeek |
| 4090181 | Piston GTA38/19 | 1 | Service part / kit | PartsGeek |
| 4097889 | Piston KTA-38-M2 | 1 | Service part / kit | PartsGeek |
| 4910463 | Piston QSK19R/M | 1 | Service part / kit | PartsGeek |
| 4910465 | Piston QSK Series | 1 | Service part / kit | PartsGeek FridayParts $1134.77 |
| 4916177 | Piston GTA/GQSK19 | 1 | Service part / kit | PartsGeek |
| 4918058 | Piston QSK19CE | 1 | Service part / kit | PartsGeek |
| 4922319 | Piston QSK19C | 1 | Service part / kit | PartsGeek |
| 4955233 | Piston Kit QSK19R/M | 1 | Service part / kit | PartsGeek |
| 4955235 | Piston Kit QSK Series | 1 | Service part / kit | PartsGeek FridayParts $1134.77 |
| 4955236 | Piston Kit QSK19C | 1 | Service part / kit | PartsGeek |
| 4955238 | Piston Kit GTA/GQSK19 | 1 | Service part / kit | 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.
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | |||
| Standby | |||
| Standby | 25% | 735.0 | 286.0 |
| Standby | 50% | 1356.0 | 433.0 |
| Standby | 75% | 1642.0 | 596.0 |
| Standby | 100% | 2105.0 | 735.0 |
Available documents
Engine spec — DS2041Spec sheet — A042J405 (Cummins/Onan)Spec sheet — A042J568 (Cummins/Onan)Spec sheet — ES2041 (Cummins/Onan)Spec sheet — PC2041