Cummins Onan DQFAA Specs (Power | Fuel Consumption)

The Cummins Onan DQFAA generator is listed with standby output of 750 kW, Diesel fuel, 60 Hz operation, 6 available voltage configurations, and A (U) / B (V) / C (W).

Cummins Onan Generator Specifications

Generator • Diesel • 60 Hz • A (U) / B (V) / C (W)

Standby power: 750 kWVoltage options: 6 configurationsDry weight: 14,623 lb (6,633 kg)

Key specifications

750 kW Standby power

Diesel Fuel

6 configurations Voltage options

A (U) / B (V) / C (W) Phase

14,623 lb (6,633 kg) Dry weight

60 Hz Frequency

Useful generator charts

Charts are shown only when this model has enough usable source data.

Fuel consumption by load

How fuel use changes as generator load increases.

25% load

14.6 gal/hr

50% load

27.3 gal/hr

75% load

39.9 gal/hr

100% load

52.6 gal/hr

Power-to-weight

Standby output per 1,000 lb of dry weight versus similar-output Cummins Onan models.

This model

51.3 kW

Peer average

58 kW

54th percentile

Power output

Low 680 kW High 750 kW

Standby

750 kW

Prime

680 kW

Model spec snapshot

Representative numeric specifications from this generator.

750 kWStandby

14,623.26 lbWeight

How the Cummins Onan DQFAA compares

This compares the supplied numeric specification with Cummins Onan generators in the same broad standby-power class where enough comparable data exists.

Standby power

750 kW

13% above avg

67th percentile

Dry weight

14,623 lb

6% below avg

56th percentile

Oil capacity

40.68 gal

51% above avg

89th percentile

Standby power750 kW

Low 400 kWAverage 665.2 kWHigh 921.6 kW

About 13% above the similar-output Cummins Onan average. Around the 67th percentile for this field.

Dry weight14,623 lb

Low 4,643 lbAverage 15,485 lbHigh 39,573 lb

About 6% below the similar-output Cummins Onan average. Around the 56th percentile for this field.

Oil capacity40.68 gal

Low 8.83 galAverage 27 galHigh 54.53 gal

About 51% above the similar-output Cummins Onan average. Around the 89th percentile for this field.

This model Peer average

Generator information

Manufacturer	Cummins Onan
Model	DQFAA
Generator type	Generator
Fuel	Diesel
Frequency	60 Hz

Electrical output

Standby power	750 kW
Prime power	680 kW
Standby kVA	938.0
Voltage options	120/208 V, 139/240 V, 220/380 V, 230/400 V, 240/416 V, 277/480 V
Phase	A (U) / B (V) / C (W)

Engine, cooling and controls

Engine model	Cummins/Onan QST30-G5 NR2
Engine displacement	1, 861 cu in (30.5 L)
Aspiration / cooling	Turbocharged, Aftercooled
Rated engine speed	1800 rpm
Engine oil capacity	34.9 gal (132 L)
Engine coolant capacity	53.1 gal (201 L)
Oil capacity	40.7 gal (154 L)
Coolant capacity	44.1 gal (167 L)
Maximum ambient	133 °F (56 °C)
Controller	PowerCommand
Emissions	EPA NSPS Stationary Emergency Tier 2

Physical specifications

Dry weight	14, 623 lb (6, 633 kg)
Wet weight	15, 203 lb (6, 896 kg)
Dimensions (L × W × H)	168.8 × 78.3 × 92.7 in (4287 × 1990 × 2355 mm)

Fuel consumption

Standby	14.6 gal/h (55.4 L/h) @ 25%; 27.3 gal/h (103.2 L/h) @ 50%; 39.9 gal/h (151.1 L/h) @ 75%; 52.6 gal/h (198.9 L/h) @ 100%
Prime	13.5 gal/h (51.3 L/h) @ 25%; 24.9 gal/h (94.4 L/h) @ 50%; 36.3 gal/h (137.6 L/h) @ 75%; 47.7 gal/h (180.7 L/h) @ 100%

Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Cummins North America generator website.