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Cummins/Onan C3750 D5 Generator Set

The Cummins/Onan C3750 D5 is a 2400 kW (3750 kVA) Diesel standby generator set powered by a Cummins/Onan QSK95-G4 engine. It is available at 220/380 V, 230/400 V, 240/415 V, 254/440 V, 400/690 V, 1905/3300 V, 3464/6000 V, 3637/6300 V, 3810/6600 V, 5775/1000 V, 6060/1050 V and 6350/1100 V, A (U), B (V), C (W), 50 Hz and rated 11145 A. It holds about 647 L (170.9 gal) of oil and 1120 L (295.9 gal) of coolant, with a maximum ambient rating of 43 °C. Starting uses 6 group-12 batteries rated 1400 CCA at 12 V. The set measures 7902×3028×3663 mm (311.1×119.2×144.2 in), weighs about 29526 kg (65094 lb) and produces 78 dBA at 105 m. An integrated tank holds 379 L (100.1 gal), roughly 1007 hours of runtime.

2400 kW
Standby
647.0 L
Oil capacity
2
Document types

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Specifications

FuelDiesel
Frequency50.0 Hz
Standby power2400 kW
Standby kVA3750
Prime power2400 kW
EmissionsUnregulated
ControllerPowerCommand, PowerCommand digital
Oil capacity647.0 L
AlternatorADS-532 (12-pole, Class B insulation)
Voltage options220/380 V, 230/400 V, 240/415 V, 254/440 V, 400/690 V, 1905/3300 V, 3464/6000 V, 3637/6300 V, 3810/6600 V, 5775/1000 V, 6060/1050 V, 6350/1100 V
PhaseA (U), B (V), C (W)
Rated current11145 A
Power factor150/125/105
Circuit breaker11145 A
Battery group12
Battery cranking1400 CCA
Battery voltage12 V
Battery quantity6
Coolant capacity1120.0 L
Max ambient43 °C
Dimensions (L×W×H)7902×3028×3663 mm
Dry weight29526 kg
Sound level78.0 dBA @ 105 m
Fuel tank379.0 L
Tank runtime1007 hr

Engine

Cummins/Onan QSK95-G4
Oil capacity647.0 L
Coolant capacity1120.0 L
AspirationTurbocharged and after-cooled
Rated speed1500 rpm

Maintenance & consumables

for the Cummins/Onan QSK95-G4
ItemSpecCapacityPart #Interval
Air filter—
Fuel filter—
Oil filter—
Battery—
Belt—
Coolant—
Oil—
Spark plug—

Common questions

What is the power rating of the Cummins/Onan C3750 D5?

The Cummins/Onan C3750 D5 is rated 2400 kW standby (3750.0 kVA).

What engine is in the Cummins/Onan C3750 D5?

The Cummins/Onan C3750 D5 is powered by the Cummins/Onan QSK95-G4 engine.

Is the Cummins/Onan C3750 D5 diesel or gas?

The Cummins/Onan C3750 D5 runs on Diesel.

What's the oil capacity on a Cummins/Onan C3750 D5?

The Cummins/Onan QSK95-G4 engine in the Cummins/Onan C3750 D5 has an oil capacity of 647.0 liters.

What is the cooling system capacity of the Cummins/Onan C3750 D5?

The Cummins/Onan C3750 D5 cooling system holds 1120 liters (295.9 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.

How loud is the Cummins/Onan C3750 D5?

The Cummins/Onan C3750 D5 is rated at 78.0 dBA at 105 m, per the manufacturer specification sheet.

How much does the Cummins/Onan C3750 D5 weigh?

The Cummins/Onan C3750 D5 has a dry weight of 29526 kg (65093 lb).

How big is the fuel tank on the Cummins/Onan C3750 D5?

The Cummins/Onan C3750 D5 has a 379 liter (100 US gallon) fuel tank, giving about 1007 hours of runtime.

What voltage does the Cummins/Onan C3750 D5 produce?

The Cummins/Onan C3750 D5 is offered in 220/380 V, 230/400 V, 240/415 V, 254/440 V, 400/690 V, 1905/3300 V, A (U), B (V), C (W)-phase.

What battery does the Cummins/Onan C3750 D5 use?

The Cummins/Onan C3750 D5 uses 6 batteryies, 12 V each, 1400 CCA, group 12, per the manufacturer specification sheet.

What alternator comes on the Cummins/Onan C3750 D5?

The Cummins/Onan C3750 D5 uses a ADS-532 alternator. It has 12 poles. Insulation class B.

Parts

1
Part #DescriptionQtySystem
DMC8000DIGITAL MASTER CONTROLS (DMCs)Service part / kit Amazon eBay

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
Continuous150.0150.0
Continuous3%116.0150.0
Continuous100%48.0150.0
Prime166.0150.0
Prime3%128.0116.0
Prime100%52.0166.0
Standby186.0150.0
Standby3%143.0116.0
Standby100%57.0186.0

Available documents

Spec sheet — Cummins-C3500D5-Alternator-Data-Sheet (Cummins/Onan)Spec sheet — Cummins-C3750D5-Generator-Data-Sheet (Cummins/Onan)Spec sheet — NAS-5877-EN (Cummins/Onan)Reference — 0058209

This page was generated from the 4 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.

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