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Cummins/Onan QSX15-G13 Generator Set

The Cummins/Onan QSX15-G13 is a 400 kW (500 kVA) diesel standby generator set powered by a Cummins/Onan QSX15-G13 engine. It operates at 50 Hz.

400 kW
Standby
15.0 L
Displacement
2
Document types

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

Typical fuel consumption for 400–405 kW Diesel generators →

Compare with other 400–405 kW Diesel generators →

Specifications

Fueldiesel
Frequency50.0 Hz
Standby power400 kW
Standby kVA500
Prime power364 kW

Engine

Cummins/Onan QSX15-G13
Displacement15.0 L
Rated speed1500 rpm

Filters for the Cummins/Onan QSX15-G13

6

Engine-mounted filters the filter manufacturers list for this engine family. These come from the engine, not from this generator set’s own parts list, so confirm against your serial number before ordering.

SystemFilterDescriptionCross-references
Oil filterP559000Lube Filter, Spin-On Full FlowCUMMINS 2101869, CUMMINS 2882674, NAPA 400107, BALDWIN BD7154 KuduParts $17.00 FridayParts $36.00
Oil filterP550949Lube Filter, Spin-On Full FlowCUMMINS 2882673, CUMMINS 4331005, NAPA 400107, BALDWIN B7322 KuduParts $67.00 FridayParts $69.59
Fuel filterP763995Fuel Filter, Spin-OnIRISBUS 0504112123, ASTRA 132347, DAF TRP 1533849, NEW HOLLAND 1931108 buy
Fuel / water separatorP551048Fuel Filter, Water Separator Spin-On Twist&DrainCUMMINS 3104081, BALDWIN BF9920, HYUNDAI 11ND70010, WIRTGEN 2111170 buy
Fuel / water separatorP551047Fuel Filter, Water Separator Spin-On Twist&DrainCUMMINS 3101871, CUMMINS 3101872, NAPA 3423, BALDWIN BF1277-SPS KuduParts $51.00

Listed for this engine in only one kind of machine, so they may depend on how the engine was installed:

SystemFilterDescriptionCross-references
Coolant filterP552073Coolant Filter, Spin-On Sca PlusCUMMINS 209605, CUMMINS 299082, NAPA 4073, IMPERIAL 04WF2073 buy

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 QSX15-G13?

The Cummins/Onan QSX15-G13 is rated 400 kW standby (500.0 kVA).

What engine is in the Cummins/Onan QSX15-G13?

The Cummins/Onan QSX15-G13 is powered by the Cummins/Onan QSX15-G13 engine.

Is the Cummins/Onan QSX15-G13 diesel or gas?

The Cummins/Onan QSX15-G13 runs on diesel.

What is the prime power rating of the Cummins/Onan QSX15-G13?

The Cummins/Onan QSX15-G13 is rated 364 kW prime (455 kVA), against 400 kW standby.

Available documents

Spec sheet — QSX15-G13 (Cummins/Onan)Reference — CUMMINS-GENERATOR-ENGINES-CATALOG (Cummins/Onan)

This page was generated from the 2 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.