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Cummins Onan 3.3 KY Specs (Power | Fuel Consumption)

The Cummins Onan 3.3 KY generator is listed with standby output of 3300 kW, Gasoline, LPG fuel, 50 Hz operation, 230 V output, Single phase, and rated current of 30 A.

Cummins Onan Generator Specifications

Generator • Gasoline, LPG • 50 Hz • Single phase

Standby power: 3300 kWVoltage options: 230 VRated current: 30 ADry weight: 185 lb (84 kg)

Key specifications

3300 kW Standby power
Gasoline, LPG Fuel
230 V Voltage options
Single phase Phase
30 A Rated current
185 lb (84 kg) Dry weight
50 Hz Frequency

Useful generator charts

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

Fuel consumption by load
How fuel use changes as generator load increases.
No load

0.29 gal/hr

50% load

0.48 gal/hr

100% load

0.71 gal/hr

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

17,819.7 kW

Peer average

55.6 kW

99th percentile
Power output
Low 3,300 kW High 3,300 kW
Standby

3,300 kW

Prime

3,300 kW

Model spec snapshot
Representative numeric specifications from this generator.
3,300 kWStandby
30 ACurrent
185.19 lbWeight

How the Cummins Onan 3.3 KY 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
3,300 kW
80% above avg
95th percentile
Rated current
30 A
91% below avg
50th percentile
Dry weight
185 lb
99% below avg
11th percentile
Oil capacity
0.4 gal
99% below avg
8th percentile
Standby power3,300 kW
Low 1,000 kWAverage 1,831.9 kWHigh 3,562 kW

About 80% above the similar-output Cummins Onan average. Around the 95th percentile for this field.

Rated current30 A
Low 10 AAverage 328 AHigh 2,681 A

About 91% below the similar-output Cummins Onan average. Around the 50th percentile for this field.

Dry weight185 lb
Low 71 lbAverage 30,152 lbHigh 65,094 lb

About 99% below the similar-output Cummins Onan average. Around the 11th percentile for this field.

Oil capacity0.4 gal
Low 0.28 galAverage 51.88 galHigh 105.14 gal

About 99% below the similar-output Cummins Onan average. Around the 8th percentile for this field.

This model Peer average

Generator information

Manufacturer Cummins Onan
Model 3.3 KY
Generator type Generator
Fuel Gasoline, LPG
Frequency 50 Hz

Electrical output

Standby power 3300 kW
Prime power 3300 kW
Voltage options 230 V
Phase Single phase
Rated current 30 A

Engine, cooling and controls

Oil capacity 0.4 gal (1.5 L)

Physical specifications

Dry weight 185 lb (84 kg)

Battery

Battery cranking 450 CCA
Battery voltage 12 V

Fuel consumption

Full load 2.7 gal/h (0.71 L/h)
Half load 1.8 gal/h (0.48 L/h)
No load 1.1 gal/h (0.29 L/h)
Row 0.29 gal/h (1.1 L/h) @ 50%; 0.44 gal/h (1.7 L/h) @ 100%; 0.71 gal/h (2.7 L/h)

Maintenance and service parts

Engine oil Part number: 15W40; Interval: 500 hr; Specification: API Class SG or SH oil (also SG/CD, SG/CE, SH/CD or SH/CE) having an SAE viscosity grade appropriate for the expected temperatures, as indicated in Table 1.; Capacity: 1.6 l
Oil filter Interval: 500 hr
Fuel filter Interval: 450 hr
Air filter Interval: 500 hr; Specification: Refer to Table 4 for scheduled air filter replacement.
Coolant Interval: 250 hr

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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