Cummins Onan DQAF Specs (Power | Fuel Consumption)

The Cummins Onan DQAF generator is listed with standby output of 300 kW, Diesel fuel, 60 Hz operation, 24 V output, and Three phase.

Cummins Onan Generator Specifications

Generator • Diesel • 60 Hz • Three phase

Standby power: 300 kWVoltage options: 24 VDry weight: 14,030 lb (6,364 kg)

Key specifications

300 kW Standby power

Diesel Fuel

24 V Voltage options

Three phase Phase

14,030 lb (6,364 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.

No load

65.5 gal/hr

100% load

17.3 gal/hr

Estimated runtime by load

Calculated from the listed 21.4 gal fuel capacity and fuel-consumption data.

No load

0.3 hr

100% load

1.2 hr

Power-to-weight

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

This model

21.4 kW

Peer average

45.1 kW

2nd percentile

Power output

Low 270 kW High 300 kW

Standby

300 kW

Prime

270 kW

How the Cummins Onan DQAF 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

300 kW

29% above avg

77th percentile

Dry weight

14,030 lb

137% above avg

99th percentile

Oil capacity

9.7 gal

27% above avg

71st percentile

Standby power300 kW

Low 150 kWAverage 232.8 kWHigh 354.6 kW

About 29% above the similar-output Cummins Onan average. Around the 77th percentile for this field.

Dry weight14,030 lb

Low 2,199 lbAverage 5,923 lbHigh 12,467 lb

About 137% above the similar-output Cummins Onan average. Around the 99th percentile for this field.

Oil capacity9.7 gal

Low 1.81 galAverage 7.66 galHigh 13.73 gal

About 27% above the similar-output Cummins Onan average. Around the 71st percentile for this field.

This model Peer average

Generator information

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

Electrical output

Standby power	300 kW
Prime power	270 kW
Voltage options	24 V
Phase	Three phase

Engine, cooling and controls

Engine model	Cummins/Onan QSM11
Engine displacement	659 cu in (10.8 L)
Aspiration / cooling	4-stroke diesel
Rated engine speed	2300 rpm
Engine oil capacity	9.7 gal (36.7 L)
Engine coolant capacity	10.6 gal (40 L)
Oil capacity	9.7 gal (36.7 L)
Coolant capacity	10.6 gal (40 L)
Controller	PCC PowerCommand 3100, PowerCommand, PowerCommand 3100
Alternator	Cummins/Onan Stamford® alternators

Physical specifications

Dry weight	14, 030 lb (6, 364 kg)
Dimensions (L × W × H)	216 × 66 × 99 in (5486 × 1676 × 2515 mm)

Battery

Battery group	8
Battery cranking	900 CCA
Battery voltage	12 V
Battery quantity	2

Fuel system and runtime

Fuel tank	21.4 gal (81 L)

Fuel consumption

Standby	65.5 gal/h (17.3 L/h) @ 100%; 17.3 gal/h (65.5 L/h)
Prime	73.4 gal/h (19.4 L/h)

Maintenance and service parts

Engine oil	Interval: 6000 hr; Capacity: 36.7
Oil filter	Part number: 3397929; Interval: 600 hr
Fuel filter	Interval: 600 hr
Air filter	Interval: 1500 hr
Coolant	Specification: Check level; Capacity: 40.0 L
Belt	Interval: 6000 hr

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