HomeCummins/OnanCummins/Onan C1500D6RG

Cummins/Onan C1500D6RG Generator Set

The Cummins/Onan C1500D6RG is a 1500 kW (1875 kVA) standby generator set powered by a Cummins/Onan QSK50-G4 engine. It is available at 480 V, A (U), B (V), C (W)-phase and 60 Hz. It holds about 235 L (62.1 gal) of oil and 6174 L (1631.0 gal) of coolant, with a maximum ambient rating of 45 °C. Starting uses 4 group-8 batteries rated 1250 CCA. The set measures 14630×2438×2896 mm (576.0×96.0×114.0 in), weighs about 27415 kg (60440 lb) and produces 74 dBA at 7 m. The same QSK50-G4 engine also powers generator sets from MQ Power.

1500 kW
Standby
50.3 L
Displacement
235.0 L
Oil capacity
1
Document types

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

Specifications

Frequency60.0 Hz
Standby power1500 kW
Standby kVA1875
Prime power1350 kW
EmissionsTier II
ControllerPowerCommand, PowerCommand 3.3
Oil capacity235.0 L
AlternatorStamford/AvK PI734C (Class H insulation)
Voltage options480 V
PhaseA (U), B (V), C (W)
Circuit breaker2500 A
Battery group8D
Battery cranking[1250, 1500] CCA
Battery quantity4
Coolant capacity6174 L
Max ambient45 °C
Dimensions (L×W×H)14630×2438×2896 mm
Dry weight27415 kg
Sound level74.0 dBA @ 7 m
Tank runtime20 hr

Engine

Cummins/Onan QSK50-G4
Oil capacity204.0 L
Coolant capacity140.0 L
Displacement50.3 L
Aspirationturbocharged, aftercooled
Rated speed1800 rpm

Maintenance & consumables

for the Cummins/Onan QSK50-G4
ItemSpecCapacityPart #Interval
Air filter find
Fuel filter find
Oil filter find
Belt find
Coolant
Oil235.0 L

Common questions

What is the power rating of the Cummins/Onan C1500D6RG?

The Cummins/Onan C1500D6RG is rated 1500 kW standby (1875.0 kVA).

What engine does the Cummins/Onan C1500D6RG use?

The Cummins/Onan C1500D6RG is powered by the Cummins/Onan QSK50-G4 engine.

What is the oil capacity of the Cummins/Onan C1500D6RG?

The Cummins/Onan QSK50-G4 engine in the Cummins/Onan C1500D6RG has an oil capacity of 204.0 liters.

What alternator does the Cummins/Onan C1500D6RG use?

The Cummins/Onan C1500D6RG uses a Stamford/AvK PI734C alternator. Insulation class H.

Parts

11
Part #DescriptionQtySystem
140-1548Indicator, Service2Sensor Amazon eBay $91.60 PartsGeek
140-3963Filter, Air2Air filter Amazon eBay $55.99 PartsGeek
149-2792Filter, Fuel1Fuel filter PartsGeek
501-0970-01Line, Fuel1Hose PartsGeek
503-1705Hose, Hump2Hose PartsGeek
503-2754-01Hose, Oil1Hose PartsGeek
503-2754-02Hose, Oil1Hose PartsGeek
543-0088Package, Fuel Filter1Fuel filter PartsGeek
6794600Washer, Sealing1Seal PartsGeek
AF2559300Element, Replacement (Cummins Filtration Part Number)1Air filter Amazon eBay PartsGeek
102-1335Plug, Oil Drain1Service 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

RatingLoadL/hgal/h
Prime29.0
Prime0%29.0110.0
Standby32.0
Standby0%32.0121.0

Available documents

Spec sheet — 1500kws-1610 (Cummins/Onan)Spec sheet — NAS-6124-EN (Cummins/Onan)