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Cummins/Onan QSK38-G5 Generator Set

The Cummins/Onan QSK38-G5 is a 1120 kW (1400 kVA) diesel standby generator set powered by a Cummins/Onan QSK38-G5 engine. It operates at 50 Hz.

1120 kW
Standby
38.0 L
Displacement
2
Document types

How to read your Cummins/Onan serial & model number →

Typical fuel consumption for 1120–1125 kW Diesel generators →

Compare with other 1120–1125 kW Diesel generators →

Specifications

Fueldiesel
Frequency50.0 Hz
Standby power1120 kW
Standby kVA1400
Prime power1020 kW

Engine

Cummins/Onan QSK38-G5
Displacement38.0 L
Aspirationturbocharged, After-cooled
Rated speed1500 rpm

Service intervals

2
ItemActionHoursMonthsNotes
valve clearanceCheck2000 hrB-Series (4BT3.3): valve clearance checks not required for 2000 hours, twice the industry standard
engine overhaulOther20000 hrQSK23-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

How many kW is the Cummins/Onan QSK38-G5?

The Cummins/Onan QSK38-G5 is rated 1120 kW standby (1400.0 kVA).

Which engine powers the Cummins/Onan QSK38-G5?

The Cummins/Onan QSK38-G5 is powered by the Cummins/Onan QSK38-G5 engine.

Is the Cummins/Onan QSK38-G5 diesel or gas?

The Cummins/Onan QSK38-G5 runs on diesel.

What is the prime power rating of the Cummins/Onan QSK38-G5?

The Cummins/Onan QSK38-G5 is rated 1020 kW prime (1275 kVA), against 1120 kW standby.

Available documents

Spec sheet — 0064198 (Cummins/Onan)Spec sheet — QSK38-G5 (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.