Cummins Onan DSFAA Specs (Power | Fuel Consumption)

The Cummins Onan DSFAA generator is listed with standby output of 35 kW, 60 Hz operation, 3 available voltage configurations, Three phase, rated current of 146 A, and sound level of 87.6 dBA @ 23 ft (7 m).

Cummins Onan Generator Specifications

Generator • 60 Hz • Three phase

Standby power: 35 kWVoltage options: 3 configurationsRated current: 146 ADry weight: 2,381 lb (1,080 kg)

Key specifications

35 kW Standby power

3 configurations Voltage options

Three phase Phase

146 A Rated current

2,381 lb (1,080 kg) Dry weight

87.6 dBA @ 23 ft (7 m) Sound level

60 Hz Frequency

Useful generator charts

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

Power-to-weight

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

This model

14.7 kW

Peer average

20.4 kW

18th percentile

Model spec snapshot

Representative numeric specifications from this generator.

35 kWStandby

146 ACurrent

2,380.99 lbWeight

87.6 dBASound

How the Cummins Onan DSFAA 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

35 kW

15% below avg

26th percentile

Dry weight

2,381 lb

9% above avg

75th percentile

Sound level

87.6 dBA

20% above avg

90th percentile

Oil capacity

3.2 gal

26% above avg

85th percentile

Standby power35 kW

Low 30 kWAverage 41.2 kWHigh 55 kW

About 15% below the similar-output Cummins Onan average. Around the 26th percentile for this field.

Dry weight2,381 lb

Low 1,120 lbAverage 2,187 lbHigh 3,476 lb

About 9% above the similar-output Cummins Onan average. Around the 75th percentile for this field.

Sound level87.6 dBA

Low 68 dBAAverage 72.7 dBAHigh 86.4 dBA

About 20% above the similar-output Cummins Onan average. Around the 90th percentile for this field.

Oil capacity3.2 gal

Low 1.14 galAverage 2.54 galHigh 4.06 gal

About 26% above the similar-output Cummins Onan average. Around the 85th percentile for this field.

This model Peer average

Generator information

Manufacturer	Cummins Onan
Model	DSFAA
Generator type	Generator
Frequency	60 Hz

Electrical output

Standby power	35 kW
Standby kVA	44.0
Voltage options	120/240 V, 277/480 V, 120/208 V
Phase	Three phase
Rated current	146 A

Engine, cooling and controls

Engine model	Cummins/Onan QSB5-G3
Engine displacement	275 cu in (4.5 L)
Aspiration / cooling	turbocharged, charge air cooled
Rated engine speed	1800 rpm
Engine oil capacity	3.2 gal (12.1 L)
Engine coolant capacity	4.49 gal (17 L)
Oil capacity	3.2 gal (12.1 L)
Maximum ambient	131 °F (55 °C)
Controller	PCC 2100, PowerCommand 2100
Alternator	202 (4-pole, Class H insulation)

Physical specifications

Dry weight	2, 381 lb (1, 080 kg)
Dimensions (L × W × H)	82.8 × 40 × 49.4 in (2104 × 1016 × 1255 mm)
Sound level	87.6 dBA @ 23 ft (7 m)

Fuel system and runtime

Fuel tank	140 gal (530 L)

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