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Cummins/Onan C12D6T Generator Set

The Cummins/Onan C12D6T is a 14 kW (15.4 kVA) Diesel standby generator set powered by a Cummins/Onan C12D6T engine. It is available at 416/240 V and 220 V, 3-phase and 50 Hz. The set measures 2180×987×2006 mm (85.8×38.9×79.0 in) and weighs about 1368 kg (3016 lb). An integrated tank holds 150 L (39.6 gal).

14 kW
Standby
2.5 L
Displacement
1
Document types

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

Specifications

FuelDiesel
Frequency50.0 Hz
Standby power14 kW
Standby kVA15
Prime power12 kW
ControllerPowerCommand 1.1, PowerStart 0600 OR PowerCommand 1.1
Voltage options416/240 V, 220 V, 230 V, 240 V
Phase3-phase and single phase
Battery voltage12 V
Battery quantity65
Dimensions (L×W×H)2180×987×2006 mm
Dry weight1368 kg
Wet weight1427 kg
Fuel tank150.0 L

Engine

Cummins/Onan C12D6T
Displacement2.5 L
AspirationNaturally aspirated

Common questions

What is the power rating of the Cummins/Onan C12D6T?

The Cummins/Onan C12D6T is rated 14 kW standby (15.4 kVA).

What engine does the Cummins/Onan C12D6T use?

The Cummins/Onan C12D6T is powered by the Cummins/Onan C12D6T engine.

What fuel does the Cummins/Onan C12D6T use?

The Cummins/Onan C12D6T runs on Diesel.

Troubleshooting

6

Fault codes

CodeMeaning
59High AC voltage shutdown
27Low AC voltage shutdown
81 uUnder frequency shutdown
81 oOver frequency shutdown/warning
51High Current warning/shutdown

Symptoms & remedies

SymptomCause
Battery voltage warningStatus of battery charging system (failure)

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.

Fuel consumption

RatingLoadL/hgal/h
Prime

Available documents

Spec sheet — EMERS-5627-EN (Cummins/Onan)Spec sheet — EMERS-5669-EN (Cummins/Onan)