HomeCummins/OnanCummins/Onan C40D6R

Cummins/Onan C40D6R Generator Set

The Cummins/Onan C40D6R is a 40 kW (50 kVA) diesel standby generator set powered by a Cummins/Onan 4BTAA3.3-G12 engine. It is available at 163/125 V and 150/105 V, 3-phase and 60 Hz. It holds about 7.9 L (2.1 gal) of oil and 10.3 L (2.7 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 2277×1038×1937 mm (89.6×40.9×76.3 in) and weighs about 1490 kg (3285 lb).

40 kW
Standby
3.3 L
Displacement
7.9 L
Oil capacity
2
Document types

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Typical fuel consumption for 40–45 kW Diesel generators →

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Specifications

Fueldiesel
Frequency60.0 Hz
Standby power40 kW
Standby kVA50
Prime power36 kW
EmissionsEPA Tier 3
ControllerDEIF SGC420, DSE 6120 MKIII, IL3-MRS16, PS0600
Oil capacity7.9 L
Voltage options163/125 V, 150/105 V
PhaseWye, 3-phase
Power factor0.8
Coolant capacity10.3 L
Max ambient50 °C
Dimensions (L×W×H)2277×1038×1937 mm
Dry weight1490 kg
Tank runtime12 hr

Engine

Cummins/Onan 4BTAA3.3-G12
Oil capacity7.9 L
Coolant capacity13.0 L
Displacement3.3 L
AspirationTurbocharged & Charge Air Cooled
Rated speed1800 rpm

Maintenance & consumables

for the Cummins/Onan 4BTAA3.3-G12
ItemSpecCapacityPart #Interval
Fuel filterSpin on fuel filters with water separator; 10-micron spin-on fuel filter element with water separator, Water-in-Fuel (WIF) sensor and WIF sensor harness
Oil filterSpin on full flow filter
Oil7.9 l

Common questions

What is the power rating of the Cummins/Onan C40D6R?

The Cummins/Onan C40D6R is rated 40 kW standby (50.0 kVA).

Which engine powers the Cummins/Onan C40D6R?

The Cummins/Onan C40D6R is powered by the Cummins/Onan 4BTAA3.3-G12 engine.

What fuel does the Cummins/Onan C40D6R use?

The Cummins/Onan C40D6R runs on diesel.

What's the oil capacity on a Cummins/Onan C40D6R?

The Cummins/Onan 4BTAA3.3-G12 engine in the Cummins/Onan C40D6R has an oil capacity of 7.9 liters.

Fuel consumption

RatingLoadL/hgal/h
Prime25%3.91.0
Standby25%4.21.1

Available documents

Spec sheet — D-6565 (Cummins/Onan)Reference — 0075763 (Cummins/Onan)
Other sets with this engine