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Home›Cummins/Onan›Cummins/Onan C2750 D5

Cummins/Onan C2750 D5 Generator Set

The Cummins/Onan C2750 D5 is a 2200 kW (2750 kVA) Diesel standby generator set powered by a Cummins/Onan QSK78 engine. It is available at 220/380 V, 1905/3300 V, 230/400 V, 3810/6600 V, 240/415 V, 6350/1100 V and 254/440 V, A (U), B (V), C (W)-phase and 50 Hz. It holds about 312 L (82.4 gal) of oil, with a maximum ambient rating of 40 °C. Starting uses 2200 batteries rated 2200 CCA. The set measures 5670×2989×3197 mm (223.2×117.7×125.9 in), weighs about 17715 kg (39055 lb) and produces 117 dBA at 1 m.

2200 kW
Standby
78.0 L
Displacement
312.0 L
Oil capacity
2
Document types

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

Specifications

FuelDiesel
Frequency50.0 Hz
Standby power2200 kW
Standby kVA2750
Prime power2000 kW
EmissionsTier 2,Tier 2g
ControllerPowerCommand, PowerCommand digital, PowerCommand electronic
Oil capacity312.0 L
AlternatorLVSI804X
Voltage options220/380 V, 1905/3300 V, 230/400 V, 3810/6600 V, 240/415 V, 6350/1100 V, 254/440 V
PhaseA (U), B (V), C (W)
Battery cranking2200 CCA
Battery quantity2200
Max ambient40 °C
Dimensions (L×W×H)5670×2989×3197 mm
Dry weight17715 kg
Sound level117.0 dBA @ 1 m

Engine

Cummins/Onan QSK78
Oil capacity312.0 L
Displacement78.0 L
AspirationTurbo charged and low temperature after-cooled
Rated speed1800 rpm

Maintenance & consumables

for the Cummins/Onan QSK78
ItemSpecCapacityPart #Interval
Air filterDry replaceable element standard; heavy duty optional—1000 hr find
Fuel filterTriple element, 10 micron filtration, spin-on fuel filter with water separator—10000 hr find
Oil filterCummins OE filterF60-1500240 hr PartsGeek
BeltCummins OE beltB60-15003360 hr PartsGeek
Coolant4000.0—12000 hr
Coolant filter— find
OilUS gal (L)—500 hr

Common questions

What is the power rating of the Cummins/Onan C2750 D5?

The Cummins/Onan C2750 D5 is rated 2200 kW standby (2750.0 kVA).

What engine does the Cummins/Onan C2750 D5 use?

The Cummins/Onan C2750 D5 is powered by the Cummins/Onan QSK78 engine.

What fuel does the Cummins/Onan C2750 D5 use?

The Cummins/Onan C2750 D5 runs on Diesel.

What is the oil capacity of the Cummins/Onan C2750 D5?

The Cummins/Onan QSK78 engine in the Cummins/Onan C2750 D5 has an oil capacity of 312.0 liters.

What alternator does the Cummins/Onan C2750 D5 use?

The Cummins/Onan C2750 D5 uses a LVSI804X alternator.

Parts

80
Part #DescriptionQtySystem
128-0108Insulation, Hose – Bulk (Order By The Foot – 12 Feet Required)Hose PartsGeek
130-3684Gasket6Gasket PartsGeek
130-4546Bracket, Mounting – Coolant Heater2Fluid PartsGeek
130-4552Cover, Coolant Heater2Fluid PartsGeek
130-4885Radiator (Includes Jacketwater, Aftercooler, Cap, Overflow Hose and Sight Gauge Sevice Parts) 130–35881Hose PartsGeek
130-5099Gasket8Gasket PartsGeek
193-0486Sender, Low Coolant Level1Sensor PartsGeek
309-0649Thermostat (Opens at 110 Deg F, Closes at 130 Deg F) (Includes Connector Socket) (S11)1Thermostat PartsGeek
319-3950Gasket, Operator Panel1Gasket PartsGeek
319-3951Gasket, Switch Panel1Gasket PartsGeek
323-1445* Seal, Cable (Used With Station 17)2Seal PartsGeek
323-1708* Seal, Cable (Used With Station 20)4Seal PartsGeek
330-0141-04Gasket, Cover1Gasket PartsGeek
338-3335-01Harness, Wiring – AC – Coolant Heater (From Coolant Heater Bottom To Coolant Heater Control Box) (Includes Conduit Connectors) (30”)1Fluid PartsGeek
338-3335-09Harness, Wiring – AC – Coolant Heater (From Coolant Heater Bottom To Coolant Heater Control Box) (Includes Conduit Connectors) (108”)1Fluid PartsGeek
338-3831Harness, Wiring – DC – Engine Heater (From Coolant Heater Control Box To Engine And Main Engine Harness) (Includes Parts Marked *)1Fluid PartsGeek
338-3832Harness, Wiring – Low Coolant Level Sender (4 Wire, 169”) (Includes Parts Marked *)1Sensor PartsGeek
502-0656Adapter, Male (1–5/16–12 Tubing to 1” Pipe)2Hose PartsGeek
502-0827Fitting, Hose – Barbed (1/2” ID Pipe to 3/4” ID Hose)2Hose PartsGeek
502-0836Fitting, Brass – Hose – Barbed (3/4” Pipe to 3/4” Hose)1Hose PartsGeek
502-1257Connector, Hose – Barbed (Fits 3/4” ID Hose)2Hose PartsGeek
503-0189Clamp, Hose1Hose PartsGeek
503-0249Hose, Oil Drain – Bulk (3/4” ID) (Order By The Foot – 3 Feet Required)Hose PartsGeek
503-1136Clamp, Hose16Hose PartsGeek
503-1418Hose, Rubber – Bulk (1/4” ID) (Order By The Foot – 11 Feet Required)Hose PartsGeek
503-1634-01Hose, Rubber (3/4” ID x 4”)8Hose PartsGeek
503-1726Hose (5” ID x 6”)1Hose PartsGeek
503-1727Hose, Radiator (3” ID x 10”)2Hose PartsGeek
503-1728Hose (3” ID x 5–1/2”)1Hose PartsGeek
503-1745Hose – Bulk – Front Grease Fitting (Order By The Foot – 2 Feet Required)Hose PartsGeek
503-1863Hose, Radiator (1–1/2” ID x 4”)6Hose PartsGeek
503-1872-05Clamp, Hose (3” ID)2Hose PartsGeek
503-1872-09Clamp, Hose (5” ID)2Hose PartsGeek
503-2129-05Line, Vent – Flexible – With One Male Pipe Swivel and One Female Pipe Swivel With O–Ring Face Seal (1/4” ID x 94–1/2”) Right Side1Seal PartsGeek
505-1429Nipple, Pipe – Combination (1–1/2” Pipe to 1–1/2” Hose)2Hose PartsGeek
509-0283-01Seal1Seal PartsGeek
511-0161-17Belt, V Ribbed1Belt PartsGeek
518-0548-24Clamp, Hose2Hose PartsGeek
518-0548-25Clamp, Hose (3/8” ID)2Hose PartsGeek
A054B161Schematic DiagramSchematic diagram PartsGeek
FS1006Fuel/Water Separator3Fuel filter Amazon eBay $39.99 PartsGeek
LF9050Lube, Combination4Oil filter Amazon eBay $49.99 PartsGeek
M-3331970Spacer Gasket for QSK45 and QSK60 Engine applicationsSpacer gasket PartsGeek
M-4089203Juego Turbo e Interenfriador N. ° de Pieza1Turbocharger PartsGeek
M-4089233Juego Turbo e Interenfriador N. ° de Pieza1Turbocharger PartsGeek
M-4089307Lower Pump Set1Pump PartsGeek
QSK60Gas engineEngine PartsGeek atldiesel $2.33
0130-5997-05Cummins Part No. 312/212, 37564; Cummins Part No. 312/212, 37604; Cummins Part No. 212, 37558; Cummins Part No. 212, 37614; Cummins Part No. 212, 37627; Cummins Part No. 313/312, 0179-2921; Cummins Part No. 313/312, 0179-2988; Cummins Part No. 312, 0179-3291; Cummins Part No. 312/212, 130-5791; Cummins Part No. 312/212, 37644; Cummins Part No. 312/212, 37624; Cummins Part No. 312/212, 37625; Cummins Part No. 212, 37648; Cummins Part No. 212, 37643; Cummins Part No. 212, 37678; Cummins Part No. 212, 37665; Cummins Part No. 312/212, 37676; Cummins Part No. 312/212, 37610; Cummins Part No. 313/212, 37642Service part / kit PartsGeek
0179-2862Nema 284T frame has the following arrangement: 6311 C3 / 18gram Polyrex – EM /20,000h6Service part / kit PartsGeek
0179-3291Nema 284T frame has the following arrangement: 6311 C3 / 11gram Polyrex – EM /20,000h8Service part / kit PartsGeek
130-5077-02Tube, Heater1Service part / kit PartsGeek
130-5078-02Tube, Heater1Service part / kit PartsGeek
130-5079-02Tube, Heater1Service part / kit PartsGeek
130-5080-02Tube, Heater1Service part / kit PartsGeek
130-5089-02Tube, Heater1Service part / kit PartsGeek
323-1491* Pin, Contact (Used With Inline G)4Service part / kit PartsGeek
323-1492* Socket, Contact (Used In Stations 18, 19)4Service part / kit PartsGeek
323-1688* Socket, Contact (Used In P1)6Service part / kit PartsGeek
323-1718* Pin, Contact (Used In Station 17)2Service part / kit PartsGeek
4-2002PowerCommand Control1Service part / kit PartsGeek
898-1254-25Sleeving – Heater Leads (59”)1Service part / kit PartsGeek
908-0600Cummins QSK78 Series Engine Operation and Maintenance Manual1Service part / kit PartsGeek
960-0161Service part / kit PartsGeek
A056A610RECOMMENDED SPARES LIST (RSL) FOR DQKAD GENERATOR SETS1Service part / kit PartsGeek
A056A611RECOMMENDED SPARES LIST (RSL) FOR DQKAE GENERATOR SETS1Service part / kit PartsGeek
A056A612RECOMMENDED SPARES LIST (RSL) FOR DQKAF GENERATOR SETS1Service part / kit PartsGeek
A056F840Recommended Spares List (RSL) for DQKAN Generator SetsService part / kit PartsGeek
M-4089083Single Cylinder HeadARService part / kit PartsGeek
M-4089200Quadrant Head Set4Service part / kit PartsGeek
M-4089201Juego Posenfriador Cuadrante N. ° de Pieza4Service part / kit PartsGeek
M-4089202Cooling System Set1Service part / kit PartsGeek
M-4089231Juego de Junta Modul. N. ° de Pieza4Service part / kit PartsGeek
M-4089232Quadrant Aftercooler Set4Service part / kit PartsGeek
M-4089308Lower Fuel Set1Service part / kit PartsGeek
M-4089508Juego de Junta Modul. N. ° de Pieza4Service part / kit PartsGeek
M-4089509Juego Sistema Enfriamiento N. ° de Pieza1Service part / kit PartsGeek
M-4089874Juego Bloque Inferior N. ° de Pieza1Service part / kit PartsGeek
M-4955369Juego Posenfriador Cuadrante N. ° de Pieza4Service part / kit PartsGeek
M-4955370Quadrant Head Set4Service part / kit PartsGeek
M-4956000Culata Cilindro Simple N. ° de Pieza AR1Service 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
Standby
Standby100%656.0173.1

Available documents

Spec sheet — 2750 kVA QSK 78-G15 Spec sheet (Cummins/Onan)Spec sheet — Cummins-C3000D5-Spec-Sheet (Cummins/Onan)Spec sheet — NAS-6089-EN-DC (Cummins/Onan)Spec sheet — NAS-6089-EN (Cummins/Onan)Spec sheet — S-6524 (Cummins/Onan)Spec sheet — SS27-CPGK (QSK78) (Cummins/Onan)Spec sheet — SS27-CPGK-DC50 (Cummins/Onan)Spec sheet — SS27-CPGK (Cummins/Onan)Spec sheet — cummins-india-rating-chart-cpvb (Cummins/Onan)Service manual — cummins-dqkan-operator-manual-1772573090 (Cummins/Onan)

Other sets with this engine

Cummins/Onan C3000 D5Cummins/Onan DQLECummins/Onan DQLFCummins/Onan QSK78 series