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Cummins Onan C1200 N5C Specs (Power | Fuel Consumption)

The Cummins Onan C1200 N5C generator is listed with standby output of 1500 kW, Natural gas MI 62 + fuel, 50 Hz operation, 380 V, 440 V output, and Single phase / Wye / 3 Phase.

Cummins Onan Generator Specifications

Generator • Natural gas MI 62 + • 50 Hz • Single phase / Wye / 3 Phase

Standby power: 1500 kWVoltage options: 380 V, 440 VDry weight: 34,061 lb (15,450 kg)

Key specifications

1500 kW Standby power
Natural gas MI 62 + Fuel
380 V, 440 V Voltage options
Single phase / Wye / 3 Phase Phase
34,061 lb (15,450 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

44 kW

Peer average

55.6 kW

25th percentile
Power output
Low 900 kW High 1,500 kW
Standby

1,500 kW

Prime

900 kW

Model spec snapshot
Representative numeric specifications from this generator.
1,500 kWStandby
34,061.42 lbWeight

How the Cummins Onan C1200 N5C 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
1,500 kW
18% below avg
39th percentile
Dry weight
34,061 lb
13% above avg
66th percentile
Oil capacity
100.39 gal
93% above avg
91st percentile
Standby power1,500 kW
Low 1,000 kWAverage 1,831.9 kWHigh 3,562 kW

About 18% below the similar-output Cummins Onan average. Around the 39th percentile for this field.

Dry weight34,061 lb
Low 71 lbAverage 30,152 lbHigh 65,094 lb

About 13% above the similar-output Cummins Onan average. Around the 66th percentile for this field.

Oil capacity100.39 gal
Low 0.28 galAverage 51.88 galHigh 105.14 gal

About 93% above the similar-output Cummins Onan average. Around the 91st percentile for this field.

This model Peer average

Generator information

Manufacturer Cummins Onan
Model C1200 N5C
Generator type Generator
Fuel Natural gas MI 62 +
Frequency 50 Hz

Electrical output

Standby power 1500 kW
Prime power 900 kW
Voltage options 380 V, 440 V
Phase Single phase / Wye / 3 Phase
Power factor 1

Engine, cooling and controls

Engine model Cummins/Onan QSK60G
Engine displacement 3, 661 cu in (60 L)
Aspiration / cooling Turbocharged (1)
Rated engine speed 1500 rpm
Engine oil capacity 100.4 gal (380 L)
Engine coolant capacity 47.8 gal (181 L)
Oil capacity 100.4 gal (380 L)
Coolant capacity 34 / 181 L
Maximum ambient 140 °F (60 °C)
Controller PowerCommand 3.3
Alternator Cummins/Onan QSV91G

Physical specifications

Dry weight 34, 061 lb (15, 450 kg)
Dimensions (L × W × H) 0.2 × 0.1 × 0.1 in (5 × 2 × 2 mm)

Fuel consumption

Prime 2313.0 gal/h @ 75%; 2675.0 gal/h @ 90%; 2947.0 gal/h @ 100%

Maintenance and service parts

Engine oil Specification: Cummins InPower PC-based service tool

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

Ernie Lo

Ernie Lo is a qualified web designer and web developer. He works as an IT support technician and website manager at Benleigh Vending, and he also fixes vending machines.

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