Kohler 30 REOZK4 Specs (Power | Consumption)

The Kohler 30 REOZK4 generator is listed with standby output of 30 kW, Diesel fuel, 60 Hz operation, 4 available voltage configurations, and sound level of 67 dBA @ 23 ft (7 m).

Kohler Generator Specifications

Generator • Diesel • 60 Hz

Standby power: 30 kWVoltage options: 4 configurationsDry weight: 3,080 lb (1,397 kg)

Key specifications

30 kW Standby power

Diesel Fuel

4 configurations Voltage options

3,080 lb (1,397 kg) Dry weight

67 dBA @ 23 ft (7 m) Sound level

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

0.8 gal/hr

50% load

1.4 gal/hr

75% load

2.1 gal/hr

100% load

2.8 gal/hr

Estimated runtime by load

Calculated from the listed 77.4 gal fuel capacity and fuel-consumption data.

25% load

96.8 hr

50% load

55.3 hr

75% load

36.9 hr

100% load

27.6 hr

Power-to-weight

Standby output per 1,000 lb of dry weight versus similar-output Kohler models.

This model

9.7 kW

Peer average

24.9 kW

2nd percentile

Power output

Low 28 kW High 30 kW

Standby

30 kW

Prime

28 kW

How the Kohler 30 REOZK4 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

Dry weight

3,080 lb

54% above avg

88th percentile

Sound level

67 dBA

In line with avg

45th percentile

Oil capacity

2.3 gal

9% below avg

48th 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.

Dry weight3,080 lb

Low 657 lbAverage 1,994 lbHigh 4,385 lb

About 54% above the similar-output Kohler average. Around the 88th percentile for this field.

Sound level67 dBA

Low 57 dBAAverage 66.3 dBAHigh 76.6 dBA

Very close to the similar-output Kohler average. Around the 45th percentile for this field.

Oil capacity2.3 gal

Low 1.09 galAverage 2.52 galHigh 4.12 gal

About 9% below the similar-output Kohler average. Around the 48th percentile for this field.

This model Peer average

Generator information

Manufacturer	Kohler
Model	30 REOZK4
Generator type	Generator
Fuel	Diesel
Frequency	60 Hz

Electrical output

Standby power	30 kW
Prime power	28 kW
Standby kVA	37.0
Voltage options	120/208 V, 120/240 V, 277/480 V, 347/600 V
Power factor	0.8

Engine, cooling and controls

Engine model	Kohler KDI 1903 TCR
Engine displacement	116 cu in (1.9 L)
Aspiration / cooling	Turbocharged
Rated engine speed	1800 rpm
Engine oil capacity	2.22 gal (8.4 L)
Engine coolant capacity	4.54 gal (17.2 L)
Oil capacity	2.3 gal (8.7 L)
Coolant capacity	4.54 gal (17.2 L)
Maximum ambient	122 °F (50 °C)
Controller	Decision-Maker 3500
Alternator	Kohler 4D5.6
Emissions	Tier 4 Final

Physical specifications

Dry weight	3, 080 lb (1, 397 kg)
Dimensions (L × W × H)	86.9 × 40 × 63.9 in (2206 × 1016 × 1622 mm)
Sound level	67 dBA @ 23 ft (7 m)

Battery

Battery cranking	950 CCA
Battery voltage	12 V
Battery quantity	1

Fuel system and runtime

Fuel tank	77.4 gal (293 L)
Tank runtime	24 hr

Fuel consumption

Standby	0.8 gal/h (3.1 L/h) @ 25%; 1.4 gal/h (5.4 L/h) @ 50%; 2.1 gal/h (7.8 L/h) @ 75%; 2.8 gal/h (10.5 L/h) @ 100%
Prime	0.8 gal/h (2.9 L/h) @ 25%; 1.3 gal/h (5.0 L/h) @ 50%; 1.9 gal/h (7.3 L/h) @ 75%; 2.6 gal/h (9.8 L/h) @ 100%

Maintenance and service parts

Engine oil	Interval: 50 hr; Specification: standby
Oil filter	Interval: 1000 hr; Specification: standby
Fuel filter	Interval: 250 hr; Specification: standby
Air filter	Interval: 1000 hr; Specification: Replace cartridges B and G when dirty, clean the inside components A and D with a damp cloth.
Coolant	Interval: 10 hr; Specification: standby

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