Cummins Onan C55 D5 Specs (Power | Fuel Consumption)

The Cummins Onan C55 D5 generator is listed with standby output of 44 kW, Diesel fuel, 50 Hz operation, 11 available voltage configurations, and Three phase.

Cummins Onan Generator Specifications

Generator • Diesel • 50 Hz • Three phase

Standby power: 44 kWVoltage options: 11 configurationsDry weight: 2,105 lb (955 kg)

Key specifications

44 kW Standby power

Diesel Fuel

11 configurations Voltage options

Three phase Phase

2,105 lb (955 kg) Dry weight

50 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

20.9 kW

Peer average

20.4 kW

52nd percentile

Power output

Low 40 kW High 44 kW

Standby

44 kW

Prime

40 kW

Model spec snapshot

Representative numeric specifications from this generator.

44 kWStandby

2,105.41 lbWeight

How the Cummins Onan C55 D5 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

44 kW

7% above avg

62nd percentile

Dry weight

2,105 lb

4% below avg

43rd percentile

Standby power44 kW

Low 30 kWAverage 41.2 kWHigh 55 kW

About 7% above the similar-output Cummins Onan average. Around the 62nd percentile for this field.

Dry weight2,105 lb

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

About 4% below the similar-output Cummins Onan average. Around the 43rd percentile for this field.

This model Peer average

Generator information

Manufacturer	Cummins Onan
Model	C55 D5
Generator type	Generator
Fuel	Diesel
Frequency	50 Hz

Electrical output

Standby power	44 kW
Prime power	40 kW
Standby kVA	55.0
Voltage options	380/220 V, 400/230 V, 416/240 V, 440/255 V, 208/115 V, 208/120 V, 220/127 V, 190/110 V, 220 V, 230 V, 240 V
Phase	Three phase
Power factor	0.8

Engine, cooling and controls

Engine model	Cummins/Onan S3.8 series
Engine displacement	232 cu in (3.8 L)
Aspiration / cooling	turbo charged
Coolant capacity	5.55 gal (21 L)
Maximum ambient	122 °F (50 °C)
Controller	PowerCommand, PowerCommand 1301, PowerStart 500
Alternator	Stamford/AvK UCI-224D

Physical specifications

Dry weight	2, 105 lb (955 kg)
Dimensions (L × W × H)	83.3 × 41.1 × 59.7 in (2115 × 1044 × 1516 mm)

Battery

Battery voltage	12-volt V
Battery quantity	2

Fuel consumption

Standby	14.1 gal/h (30 L/h)
Prime	12.9 gal/h (30 L/h)

Maintenance and service parts

Engine oil	Capacity: 11.0 l
Fuel filter	Specification: Spin on fuel filters with water separator
Air filter	Specification: Heavy Duty air filter
Coolant	Capacity: 21.0 l

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