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Cummins/Onan C650N6 Generator Set

The Cummins/Onan C650N6 is a 650 kW (813 kVA) NG standby generator set powered by a Cummins/Onan GTA50E engine. It is available at 120/208 V, 127/220 V, 139/240 V, 220/380 V, 240/416 V, 254/440 V, 277/480 V and 347/600 V, 3-phase and 60 Hz. Starting uses 4 group-8 batteries rated 1800 CCA at 24 V. The set measures 5182×2286×2721 mm (204.0×90.0×107.1 in).

650 kW
Standby
50.3 L
Displacement
1
Document types

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Specifications

FuelNG
Frequency60.0 Hz
Standby power650 kW
Standby kVA813
ControllerPowerCommand 3.3 (PCC3300, PowerCommand 3300
Voltage options120/208 V, 127/220 V, 139/240 V, 220/380 V, 240/416 V, 254/440 V, 277/480 V, 347/600 V
Phasethree-phase
Power factor0.8
Battery group8D
Battery cranking1800 CCA
Battery voltage24-volt, negative ground V
Battery quantity4
Max ambient40 °C
Dimensions (L×W×H)5182×2286×2721 mm

Engine

Cummins/Onan GTA50E
Displacement50.3 L

Maintenance & consumables

for the Cummins/Onan GTA50E
ItemSpecCapacityPart #Interval
Air filter—
Fuel filter—
Oil filter—
Battery—
Belt—
Coolant—
Oil—
Spark plug—

Service specifications

2
TypeItemValueUnitCondition
PressureFuel inlet pressure measured at the fuel shut off valve under full load356 to 508mm WCfull load
PressureMaximum fuel supply pressure635mm WCunder any conditions

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Recommended fluids

FluidGradeStandardAmbientCapacityNotes
FuelNGGaseous fuel (natural gas)
FuelNatural gas (NG)Fuel inlet pressure, measured at the fuel shut off valve while under full load, must be 356 to 508 mm WC (14 to 20 in. WC). Fuel supply pressure must not exceed 635 mm WC (25 in. WC) under any conditions. Each FSO can reduce supply pressure up to 5 in. WC at full load.

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

What is the power rating of the Cummins/Onan C650N6?

The Cummins/Onan C650N6 is rated 650 kW standby (813.0 kVA).

What engine is in the Cummins/Onan C650N6?

The Cummins/Onan C650N6 is powered by the Cummins/Onan GTA50E engine.

What kind of fuel does the Cummins/Onan C650N6 run on?

The Cummins/Onan C650N6 runs on NG.

What voltages is the Cummins/Onan C650N6 available in?

The Cummins/Onan C650N6 is offered in 120/208 V, 127/220 V, 139/240 V, 220/380 V, 240/416 V, 254/440 V, three-phase-phase.

What battery does the Cummins/Onan C650N6 use?

The Cummins/Onan C650N6 uses 4 batteryies, 24-volt, negative ground V each, 1800 CCA, group 8D, per the manufacturer specification sheet.

Available documents

Spec sheet — A042J425 (Cummins/Onan)Spec sheet — A042J577 (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.

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