Cummins Onan C550 D5 Specs (Power | Fuel Consumption)

The Cummins Onan C550 D5 generator is listed with standby output of 440 kW, 50 Hz operation, 9 available voltage configurations, and A (U) / B (V) / C (W).

Cummins Onan Generator Specifications

Generator • 50 Hz • A (U) / B (V) / C (W)

Standby power: 440 kWVoltage options: 9 configurationsDry weight: 3,424 lb (1,553 kg)

Key specifications

440 kW Standby power

9 configurations Voltage options

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

3,424 lb (1,553 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

128.5 kW

Peer average

58 kW

94th percentile

Power output

Low 364 kW High 440 kW

Standby

440 kW

Prime

364 kW

Model spec snapshot

Representative numeric specifications from this generator.

440 kWStandby

3,423.78 lbWeight

How the Cummins Onan C550 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

440 kW

34% below avg

8th percentile

Dry weight

3,424 lb

78% below avg

1st percentile

Standby power440 kW

Low 400 kWAverage 665.2 kWHigh 921.6 kW

About 34% below the similar-output Cummins Onan average. Around the 8th percentile for this field.

Dry weight3,424 lb

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

About 78% below the similar-output Cummins Onan average. Around the 1st percentile for this field.

This model Peer average

Generator information

Manufacturer	Cummins Onan
Model	C550 D5
Generator type	Generator
Frequency	50 Hz

Electrical output

Standby power	440 kW
Prime power	364 kW
Standby kVA	500.0
Voltage options	110/190 V, 115/200 V, 120/208 V, 127/220 V, 220/380 V, 230/400 V, 240/416 V, 255/440 V, 277/480 V
Phase	A (U) / B (V) / C (W)

Engine, cooling and controls

Engine model	Cummins/Onan C550D5e
Coolant capacity	32.2 gal (122 L)
Controller	PowerCommand
Emissions	2.2/3.3

Physical specifications

Dry weight	3, 424 lb (1, 553 kg)
Dimensions (L × W × H)	137.8 × 59.1 × 79.4 in (3500 × 1500 × 2017 mm)

Maintenance and service parts

Engine oil	Interval: 500 hr; Specification: 10W-40; Capacity: 91
Oil filter	Part number: DS348-CPGK; Interval: 1250 hr; Specification: Cummins OE
Fuel filter	Interval: 1250 hr; Specification: Spin on fuel filters with water separator
Air filter	Interval: 1250 hr; Specification: Dry replaceable element with restriction indicator
Coolant	Interval: 1250 hr; Specification: Cummins OE; Capacity: 50.31
Belt	Interval: 1250 hr; Specification: V-belt, fan belt

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