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Kohler 30 RZ Specs (Power | Consumption)

The Kohler 30 RZ generator is listed with standby output of 30 kW, Gasoline fuel, 60 Hz operation, 7 available voltage configurations, Three phase, and rated current of 90 A.

Kohler Generator Specifications

Generator • Gasoline • 60 Hz • Three phase

Standby power: 30 kWVoltage options: 7 configurationsRated current: 90 A

Key specifications

30 kW Standby power
Gasoline Fuel
7 configurations Voltage options
Three phase Phase
90 A Rated current
60 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.
25% load

2 gal/hr

50% load

2.6 gal/hr

75% load

3.1 gal/hr

100% load

3.9 gal/hr

Power output
Low 27 kW High 30 kW
Standby

30 kW

Prime

27 kW

Model spec snapshot
Representative numeric specifications from this generator.
30 kWStandby
90 ACurrent

How the Kohler 30 RZ compares

This compares the supplied numeric specification with Kohler generators in the same broad standby-power class where enough comparable data exists.

Standby power
30 kW
27% below avg
9th percentile
Rated current
90 A
40% below avg
11th percentile
Oil capacity
1.74 gal
31% below avg
26th percentile
Standby power30 kW
Low 30 kWAverage 41.1 kWHigh 55 kW

About 27% below the similar-output Kohler average. Around the 9th percentile for this field.

Rated current90 A
Low 43 AAverage 149 AHigh 221 A

About 40% below the similar-output Kohler average. Around the 11th percentile for this field.

Oil capacity1.74 gal
Low 1.09 galAverage 2.52 galHigh 4.12 gal

About 31% below the similar-output Kohler average. Around the 26th percentile for this field.

This model Peer average

Generator information

Manufacturer Kohler
Model 30 RZ
Generator type Generator
Fuel Gasoline
Frequency 60 Hz

Electrical output

Standby power 30 kW
Prime power 27 kW
Standby kVA 38.0
Voltage options 120/240 V, 139/240 V, 127/220 V, 277/480 V, 220/380 V, 120/208 V, 347/600 V
Phase Three phase
Rated current 90 A
Power factor 0.8

Engine, cooling and controls

Engine model Ford CSG-649
Engine displacement 302 cu in (4.951 L)
Aspiration / cooling Natural Aspiration
Rated engine speed 1800 rpm
Engine oil capacity 1.74 gal (6.6 L)
Engine coolant capacity 2.69 gal (10.2 L)
Oil capacity 1.74 gal (6.6 L)
Coolant capacity 5.31 gal (20.1 L)
Maximum ambient 104 °F (40 °C)
Alternator Kohler 4P5

Physical specifications

Dimensions (L × W × H) 88.3 × 29 × 41.7 in (2242 × 737 × 1059 mm)

Fuel consumption

Prime 2.0 gal/h @ 25%; 2.6 gal/h @ 50%; 3.1 gal/h @ 75%; 3.9 gal/h @ 100%

Maintenance and service parts

Fuel filter Part number: — | 254471; Specification: Secondary
Coolant Specification: 50% ethylene glycol and 50% clean, softened water; Capacity: 28.8 L

Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Kohler 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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