Kohler 300REZX Specs (Power | Consumption)

The Kohler 300REZX generator is listed with standby output of 300 kW, L.P./N.G. fuel, 60 Hz operation, 8 available voltage configurations, Three phase, and rated current of 728 / 688 / 631 / 570 / 452 A.

Kohler Generator Specifications

Generator • L.P./N.G. • 60 Hz • Three phase

Standby power: 300 kWVoltage options: 8 configurationsRated current: 728 / 688 / 631 / 570 / 452 ADry weight: 7,055 lb (3,200 kg)

Key specifications

300 kW Standby power

L.P./N.G. Fuel

8 configurations Voltage options

Three phase Phase

728 / 688 / 631 / 570 / 452 A Rated current

7,055 lb (3,200 kg) Dry weight

60 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 Kohler models.

This model

42.5 kW

Peer average

40 kW

58th percentile

Power output

Low 270 kW High 300 kW

Standby

300 kW

Prime

270 kW

Model spec snapshot

Representative numeric specifications from this generator.

300 kWStandby

7,054.79 lbWeight

How the Kohler 300REZX compares

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

Standby power

300 kW

33% above avg

82nd percentile

Dry weight

7,055 lb

20% above avg

67th percentile

Oil capacity

11.12 gal

39% above avg

91st percentile

Standby power300 kW

Low 150 kWAverage 225.5 kWHigh 360 kW

About 33% above the similar-output Kohler average. Around the 82nd percentile for this field.

Dry weight7,055 lb

Low 3,027 lbAverage 5,885 lbHigh 9,394 lb

About 20% above the similar-output Kohler average. Around the 67th percentile for this field.

Oil capacity11.12 gal

Low 2.25 galAverage 8.01 galHigh 12.44 gal

About 39% above the similar-output Kohler average. Around the 91st percentile for this field.

This model Peer average

Generator information

Manufacturer	Kohler
Model	300REZX
Generator type	Generator
Fuel	L.P./N.G.
Frequency	60 Hz

Electrical output

Standby power	300 kW
Prime power	270 kW
Standby kVA	375.0
Voltage options	120/208 V, 127/220 V, 120/240 V, 139/240 V, 220/380 V, 240/416 V, 277/480 V, 347/600 V
Phase	Three phase
Rated current	728 / 688 / 631 / 570 / 452 A
Power factor	0.8

Engine, cooling and controls

Engine model	PSI/Doosan D183L
Engine displacement	1, 115 cu in (18.273 L)
Aspiration / cooling	Turbocharged, Charge Air-Cooled
Rated engine speed	1800 rpm
Engine oil capacity	11.1 gal (42.1 L)
Engine coolant capacity	46.8 gal (177 L)
Oil capacity	11.1 gal (42.1 L)
Coolant capacity	60 gal (227.3 L)
Maximum ambient	122 °F (50 °C)
Controller	APM402, APM603, Decision-Maker 550, Decision-Maker 6000
Alternator	4M4019/4M4266 (4-pole, Class H insulation)

Physical specifications

Dry weight	7, 055 lb (3, 200 kg)
Dimensions (L × W × H)	137.8 × 68.9 × 84.6 in (3500 × 1750 × 2148 mm)

Battery

Battery cranking	925 CCA
Battery voltage	12 V
Battery quantity	2

Fuel consumption

Standby	25%; 50%; 75%; 100%

Maintenance and service parts

Engine oil	Capacity: 42.1 L
Oil filter	Capacity: ×2
Air filter	Specification: Dry

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