Cummins Onan C1400 D5 Specs (Power | Fuel Consumption)

The Cummins Onan C1400 D5 generator is listed with standby output of 1120 kW, Diesel fuel, 50 Hz operation, 5 available voltage configurations, and A (U) / B (V) / C (W).

Cummins Onan Generator Specifications

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

Standby power: 1120 kWVoltage options: 5 configurationsDry weight: 20,260 lb (9,190 kg)

Key specifications

1120 kW Standby power

Diesel Fuel

5 configurations Voltage options

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

20,260 lb (9,190 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

55.3 kW

Peer average

55.6 kW

65th percentile

Power output

Low 1,000 kW High 1,120 kW

Standby

1,120 kW

Prime

1,000 kW

Model spec snapshot

Representative numeric specifications from this generator.

1,120 kWStandby

20,260.48 lbWeight

How the Cummins Onan C1400 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

1,120 kW

39% below avg

14th percentile

Dry weight

20,260 lb

33% below avg

25th percentile

Oil capacity

11.81 gal

77% below avg

13th percentile

Standby power1,120 kW

Low 1,000 kWAverage 1,831.9 kWHigh 3,562 kW

About 39% below the similar-output Cummins Onan average. Around the 14th percentile for this field.

Dry weight20,260 lb

Low 71 lbAverage 30,152 lbHigh 65,094 lb

About 33% below the similar-output Cummins Onan average. Around the 25th percentile for this field.

Oil capacity11.81 gal

Low 0.28 galAverage 51.88 galHigh 105.14 gal

About 77% below the similar-output Cummins Onan average. Around the 13th percentile for this field.

This model Peer average

Generator information

Manufacturer	Cummins Onan
Model	C1400 D5
Generator type	Generator
Fuel	Diesel
Frequency	50 Hz

Electrical output

Standby power	1120 kW
Prime power	1000 kW
Standby kVA	1400.0
Voltage options	220/380 V, 230/400 V, 254/440 V, 240/415 V, 6350/1100 V
Phase	A (U) / B (V) / C (W)

Engine, cooling and controls

Engine model	Cummins/Onan KTA50 series
Engine displacement	3, 051 cu in (50 L)
Aspiration / cooling	turbocharged and after-cooled
Rated engine speed	50 rpm
Engine oil capacity	11.8 gal (44.7 L)
Engine coolant capacity	91.9 gal (348 L)
Oil capacity	11.8 gal (44.7 L)
Coolant capacity	112 gal (424 L)
Maximum ambient	131 °F (55 °C)
Controller	PowerCommand, PowerCommand 3.3

Physical specifications

Dry weight	20, 260 lb (9, 190 kg)
Dimensions (L × W × H)	201 × 78.7 × 88.1 in (5105 × 2000 × 2238 mm)

Battery

Battery cranking	1800 CCA

Fuel consumption

Standby	91.0 L/h @ 0%; 158.0 L/h @ 1%; 224.0 L/h; 291.0 L/h
Prime	84.0 L/h @ 0%; 144.0 L/h @ 1%; 203.0 L/h; 263.0 L/h

Maintenance and service parts

Engine oil	Interval: 3600 hr; Specification: 5W-40; Capacity: 177.0 L
Oil filter	Part number: LF3325
Fuel filter	Part number: FS1006 \| —; Interval: 1800 hr; Specification: Dual spin on paper element fuel filters with standard water separator
Air filter	Interval: 3600 hr; Specification: Dry replaceable element
Coolant	Interval: 3600 hr; Specification: 50/50 (Ethylene glycol); Capacity: 440.0 L
Belt	Interval: 1200 hr; Specification: Standard

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