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Home›Cummins/Onan›Cummins/Onan C440 D5

Cummins/Onan C440 D5 Generator Set

The Cummins/Onan C440 D5 is a 352 kW (440 kVA) standby generator set powered by a Cummins/Onan NTA855-G7 engine. It is available at 50 V, A (U), B (V), C (W)-phase and 50 Hz. It holds about 36.7 L (9.7 gal) of oil and 58 L (15.3 gal) of coolant, with a maximum ambient rating of 60 °C. The set measures 3370×1500×2115 mm (132.7×59.1×83.3 in) and weighs about 2430 kg (5357 lb). An integrated tank holds 500 L (132.1 gal).

352 kW
Standby
15.0 L
Displacement
36.7 L
Oil capacity
1
Document types

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

Specifications

Frequency50.0 Hz
Standby power352 kW
Standby kVA440
Prime power320 kW
ControllerPowerCommand
Oil capacity36.7 L
Voltage options50 V
PhaseA (U), B (V), C (W)
Battery voltage24 V
Battery quantity2
Coolant capacity58 L
Max ambient60 °C
Dimensions (L×W×H)3370×1500×2115 mm
Dry weight2430 kg
Fuel tank500.0 L

Engine

Cummins/Onan NTA855-G7
Coolant capacity20.8 L
Displacement15.0 L
AspirationTurbocharged

Maintenance & consumables

for the Cummins/Onan NTA855-G7
ItemSpecCapacityPart #Interval
Air filterIf the engine is equipped with an oil bath type air cleaner, fill to the level indicated with oil of the same viscosity as used in the crankcase. However, a non-detergent (straight mineral) oil is recommended.—1000 hr find
Fuel filter—500 hr find
Oil filter—1000 hr find
Belt—1000 hr find
CoolantFor units which use either a radiator or heat exchanger (city water cooled), fill the cooling system with clean soft water, The standard radiator and block capacity is 21 U.S. gallons. Use a good rust and scale inhibitor. If there is any possibility of a radiator cooled plant being exposed to freezing temperatures, use antifreeze with ethylene glycol base as instructed in the Cummins manual.80.63 L—5000 hr
Coolant filter— find
Oil10.0 gallons—100 hr

Common questions

What is the power rating of the Cummins/Onan C440 D5?

The Cummins/Onan C440 D5 is rated 352 kW standby (440.0 kVA).

What engine does the Cummins/Onan C440 D5 use?

The Cummins/Onan C440 D5 is powered by the Cummins/Onan NTA855-G7 engine.

Parts

57
Part #DescriptionQtySystem
1S0A713Bracket, Overspeed Switch1Bracket PartsGeek
1S0A717Switch Assy., Overspeed1Switch PartsGeek
204493Ring, Collector1Ring PartsGeek
2110153Bell, End - Alt, to Exciter1Bell PartsGeek
23201396Support, Gen. Mtg.1Support PartsGeek
2340116Cover, Exciter1Cover PartsGeek
234070Rig Assy., Brush- Incl. Brushes, & Contact Point Band, Gen. - Front Portion(Narrow)1Brush PartsGeek
2348115Bracket, Mtg. - Volt. Cont. Reactor1Bracket PartsGeek
234875Bracket, Gate Reactor Mtg.1Bracket PartsGeek
234C1343-Phase1Phase PartsGeek
234C1373-Phase1Phase PartsGeek
234C140Single Phase1Phase PartsGeek
234C141Single Phase1Phase PartsGeek
2I4AMBrush4Brush PartsGeek
304412515,000-Ohm, 25-W - For 220/380-V, 3-Phase, 4-Wire1Resistor PartsGeek
304A15S Washer, Fixed Resistor Cent. to Alternator End Bell2Washer PartsGeek
304PA76Resistor, Volt. Cont.Reactor (Incl.in Rect.& Resistor A: 305P218)1Resistor PartsGeek
3058227Resistor Assy., Rect, & Incl. (Incl.in Rect. & Resistor A: 305P218)4Resistor PartsGeek
305P233Rectifier Assy., Power (Incl. two #305P234 wire & hardware)2Rectifier PartsGeek
305P234Rectifier Assy., Power (Field) (Incl. in Rect. #305P218)2Rectifier PartsGeek
305P240Rectifier, Volt. Cont.Reactor (Incl.in Rect. & Resistor A: 305P218)4Rectifier PartsGeek
3320645Strip, Marker - Volt. Con. Reactor (9305P218)1Strip PartsGeek
3ISA78Rectifier, Voltage Control1Rectifier PartsGeek
5208190Stud, Fixed Resistor Mtg.1Stud PartsGeek
805-35Bolt, Place - Gen. Mtg. support to End Bell4Bolt PartsGeek
A95624-volt battery current is required for starting purposes, Use two 12-volt type 8 D batteries for a normal installation, Connect the batteries in series (negative post of first battery to positive post of second)2Battery PartsGeek
232A1489Generator support shim, 0.598 in gauge #6, 3x33Service part / kit PartsGeek
232A1490Generator support shim, 0.359 in gauge #20, 3x33Service part / kit PartsGeek
232A1817Generator3Service part / kit PartsGeek
301021151Box Only, control1Service part / kit PartsGeek
30118301Bracket, Cont.Box Mtg. (Repl. 2-Piece Brkts)1Service part / kit PartsGeek
301A1914Bracket, Panel Stop1Service part / kit PartsGeek
301A2727Handle , Control Box1Service part / kit PartsGeek
302-21360-Cycle1Service part / kit PartsGeek
302-234.Cycle1Service part / kit PartsGeek
3028448Plate, Mater Face1Service part / kit PartsGeek
302P411~~ Scale Reads 0-200 (1-Phase Use 2)1Service part / kit PartsGeek
302P412Scale Reads 0-2501Service part / kit PartsGeek
302P414Scale Reads 0-500 (1-Phase Use 2)1Service part / kit PartsGeek
302P415Scale Reads 0-750 (I-Phase Use 2)1Service part / kit PartsGeek
302P421Scale Reads 0-3001Service part / kit PartsGeek
302P422Scale Reads 0-6001Service part / kit PartsGeek
302P423Scale Reads 0-750 on side of Gen1Service part / kit PartsGeek
302P465RUNNING-TIME METERS 120-240V (1PH)1Service part / kit PartsGeek
302P466For 220/380-V, 3-Ph, 60-Cycle (Model H)1Service part / kit PartsGeek
302P467For 277/480-V, 3-Ph, 60-Cycle1Service part / kit PartsGeek
302P468For 120/208-V,120/240-V, & 347/600-V 3PH. 50 Cy!. (825-Ohm, 75-Watt)1Service part / kit PartsGeek
302P469For 220/380-V, 3Ph. 50-Cycle1Service part / kit PartsGeek
302P470For 277/480-V, 3-Ph, 50-Cyclo (5-P!)1Service part / kit PartsGeek
303-111Rheostat, Volt. Reg. - 175-Ohm, (Model H)1Service part / kit PartsGeek
303-32Knob, Rheos1Service part / kit PartsGeek
304030545, 000-Ohm, 10-W - For 480-V , 3-Ph, 3-Wire & 277/480-V, 3+ Ph.1Service part / kit PartsGeek
308-22Switch, Volt. & Current Selector Ammeter1Service part / kit PartsGeek FridayParts $47.99
320823-Phase Models1Service part / kit PartsGeek
320B18Single Phase Models1Service part / kit PartsGeek
337A44Strap, Ground1Service part / kit PartsGeek
402-78Rubber, Mtg. - Cont. Box4Service 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
Prime
Standby98.0

Available documents

Spec sheet — C440D5 EN (Cummins/Onan)Spec sheet — SS10-CPGK (Cummins/Onan)