Specifications
| Fuel | diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 1250 kW |
| Standby kVA | 1563 |
| Prime power | 1125 kW |
Engine
| Displacement | 38.0 L |
|---|---|
| Aspiration | turbocharged, After-cooled |
| Rated speed | 1800 rpm |
Service intervals
2| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| valve clearance | Check | 2000 hr | B-Series (4BT3.3): valve clearance checks not required for 2000 hours, twice the industry standard | |
| engine overhaul | Other | 20000 hr | QSK23-Series: expected life cycle to 20,000 hours before first overhaul |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
What size generator is the Cummins/Onan QSK38-G4?
The Cummins/Onan QSK38-G4 is rated 1250 kW standby (1563.0 kVA).
What engine is in the Cummins/Onan QSK38-G4?
The Cummins/Onan QSK38-G4 is powered by the Cummins/Onan QSK38-G4 engine.
Is the Cummins/Onan QSK38-G4 diesel or gas?
The Cummins/Onan QSK38-G4 runs on diesel.
What is the prime power rating of the Cummins/Onan QSK38-G4?
The Cummins/Onan QSK38-G4 is rated 1125 kW prime (1406 kVA), against 1250 kW standby.
Available documents
Spec sheet — 0064197 (Cummins/Onan)Spec sheet — QSK38-G4 (Cummins/Onan)Reference — CUMMINS-GENERATOR-ENGINES-CATALOG (Cummins/Onan)
This page was generated from the 3 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.