Facts About Generators
GeneratorsDirectoryEnginesControllersPartsManufacturersGuides
Search models or part #
Home›Cummins/Onan›Cummins/Onan C30 D6

Cummins/Onan C30 D6 Generator Set

The Cummins/Onan C30 D6 is a 28.3 kW (37.5 kVA) standby generator set powered by a Cummins/Onan C30 D6 engine. It is available at 50 V and 208 V, 3-phase and 50 Hz. It holds 50 L (13.2 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 1753×930×1238 mm (69.0×36.6×48.7 in) and weighs about 778 kg (1715 lb). An integrated tank holds 170 L (44.9 gal).

28 kW
Standby
3.3 L
Displacement
5
Document types

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

Specifications

Frequency50.0 Hz
Standby power28 kW
Standby kVA37
Prime power25 kW
ControllerPowerCommand 1.1, PowerStart
Voltage options120/240 V, 120/208 V, 277/480 V, 347/600 V
Phase3
Power factor1.0
Battery voltage12 V
Coolant capacity50 L
Max ambient50 °C
Dimensions (L×W×H)1753×930×1238 mm
Dry weight533 kg
Fuel tank170.0 L

Engine

Cummins/Onan C30 D6
Displacement3.3 L
Aspirationnaturally aspirated

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Air filterDry replaceable element— find
Fuel filterSingle element, Spin-on fuel cum Water Separator, Filtration efficiency 25 micron 99% (min), Water separation efficiency 90% (min)— find
Oil filter— find
Belt— find
Coolant—
Oil—

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.

Common questions

What is the power rating of the Cummins/Onan C30 D6?

The Cummins/Onan C30 D6 is rated 28 kW standby (37.5 kVA).

What engine does the Cummins/Onan C30 D6 use?

The Cummins/Onan C30 D6 is powered by the Cummins/Onan C30 D6 engine.

Parts

35model family
Part #DescriptionQtySystem
0193-0430-01Switch-Pressure1Sensor yemparts $67.75
0193-0432Thermostat1Thermostat buy
0502-1507Adapter-Hose (Oil)1Hose buy
0100-3922Engine-B3.3G11Service part / kit buy
0155-4215Guard-Exhaust (Support)2Service part / kit buy
0155-4311-02Guard-Exhaust1Service part / kit buy
0320-1981-01Accessories-CB (SD Contact)1Service part / kit buy
0320-1981-02Accessories-CB (Shunt Trip)1Service part / kit buy
0320-2225-01Accessories-CB (Shunt Trip)1Service part / kit buy
0320-2225-02Accessories-CB (SD Contact)1Service part / kit buy
0331-0618-02Locknut Conduit2Service part / kit buy
0332-4001-01Rail-Terminal Block (300mm)1Service part / kit buy
0337-3583-04Strap-Ground2Service part / kit buy
0338-4487Harness-Engine (Mechanical governor)1Service part / kit buy
0338-4720Harness-Engine (Electronic governor)1Service part / kit buy
0338-4819-02Harness AC1Service part / kit buy
0338-4819-03Harness AC1Service part / kit buy
0504-0264-01Valve-Hydraulic (Oil)1Service part / kit buy
0505-0019Bushing-Reducer1Service part / kit buy
0505-2235Adaptor-Pipe1Service part / kit buy
0526-0399-56Washer-Flat (M5)2Service part / kit buy
0526-0399-60Washer-Flat (M8)4Service part / kit buy
0526-0399-62Washer-Flat (M10)2Service part / kit buy
0800-0309-93Screw-Hex Head (M5)2Service part / kit buy
0800-3017-19Screw-Hex Head (M8 X 20)2Service part / kit buy
0800-3017-35Screw HHC (M10)1Service part / kit buy
0800-3017-37Screw-Hex Head (M10 X 25)2Service part / kit buy
0850-0114-52Washer-Lock (M5)2Service part / kit buy
0850-0114-54Washer-Lock (M8)2Service part / kit buy
0850-0114-55Washer-Lock (M10)2Service part / kit buy
0862-0026-55Nut-Hex (M8)2Service part / kit buy
0862-0026-56Nut Hex (M10)1Service part / kit buy
0872-0020-01Standoff2Service part / kit buy
0872-0021Standoff1Service part / kit buy
AC156ISO 17025 LaboratoryService part / kit buy

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime
Standby

Available documents

Spec sheetInstallation manualReferenceParts manualService manual