Kohler 90REOZT4 Specs (Power | Consumption)

The Kohler 90REOZT4 generator is listed with standby output of 85 kW, Diesel fuel, 60 Hz operation, 115 V, 200 V output, Single phase / Three, and sound level of 69 dBA @ 23 ft (7 m).

Kohler Generator Specifications

Generator • Diesel • 60 Hz • Single phase / Three

Standby power: 85 kWVoltage options: 115 V, 200 VDry weight: 5,604 lb (2,542 kg)

Key specifications

85 kW Standby power

Diesel Fuel

115 V, 200 V Voltage options

Single phase / Three Phase

5,604 lb (2,542 kg) Dry weight

69 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.

No load

0.4 gal/hr

25% load

1.9 gal/hr

50% load

3.4 gal/hr

75% load

4.8 gal/hr

100% load

6.4 gal/hr

Estimated runtime by load

Calculated from the listed 192.1 gal fuel capacity and fuel-consumption data.

No load

480.1 hr

25% load

101.1 hr

50% load

56.5 hr

75% load

40 hr

100% load

30 hr

Power-to-weight

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

This model

15.2 kW

Peer average

29.1 kW

14th percentile

Power output

Low 76 kW High 85 kW

Standby

85 kW

Prime

76 kW

How the Kohler 90REOZT4 compares

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

Standby power

85 kW

6% below avg

50th percentile

Dry weight

5,604 lb

49% above avg

79th percentile

Sound level

69 dBA

In line with avg

35th percentile

Oil capacity

5.55 gal

61% above avg

93rd percentile

Standby power85 kW

Low 60 kWAverage 90 kWHigh 127 kW

About 6% below the similar-output Kohler average. Around the 50th percentile for this field.

Dry weight5,604 lb

Low 1,883 lbAverage 3,755 lbHigh 8,555 lb

About 49% above the similar-output Kohler average. Around the 79th percentile for this field.

Sound level69 dBA

Low 61 dBAAverage 69.1 dBAHigh 75 dBA

Very close to the similar-output Kohler average. Around the 35th percentile for this field.

Oil capacity5.55 gal

Low 1.24 galAverage 3.45 galHigh 7.29 gal

About 61% above the similar-output Kohler average. Around the 93rd percentile for this field.

This model Peer average

Generator information

Manufacturer	Kohler
Model	90REOZT4
Generator type	Generator
Fuel	Diesel
Frequency	60 Hz

Electrical output

Standby power	85 kW
Prime power	76 kW
Standby kVA	106.0
Voltage options	115 V, 200 V
Phase	Single phase / Three
Circuit breaker	400 A

Engine, cooling and controls

Engine model	John Deere 4.5 L
Engine displacement	275 cu in (4.5 L)
Oil capacity	5.55 gal (21 L)
Coolant capacity	6.89 gal (26.1 L)
Maximum ambient	122 °F (50 °C)
Controller	Decision-Maker 3500
Alternator	Kohler 4R9X
Emissions	Tier 4 Final

Physical specifications

Dry weight	5, 604 lb (2, 542 kg)
Dimensions (L × W × H)	116.2 × 44.1 × 84.9 in (2951 × 1119 × 2156 mm)
Sound level	69 dBA @ 23 ft (7 m)

Battery

Battery cranking	450 CCA
Battery voltage	12 V
Battery quantity	1

Fuel system and runtime

Fuel tank	192.1 gal (727 L)
Tank runtime	24 hr

Fuel consumption

Standby	0.4 gal/h (1.5 L/h) @ 25%; 1.9 gal/h (7.4 L/h) @ 50%; 3.4 gal/h (12.7 L/h) @ 75%; 4.8 gal/h (18.2 L/h) @ 100%; 6.4 gal/h (24.4 L/h)
Prime	0.4 gal/h (1.5 L/h) @ 25%; 1.0 gal/h (7.0 L/h) @ 50%; 4.9 gal/h (18.5 L/h) @ 75%; 6.2 gal/h (23.5 L/h) @ 100%; 5.8 gal/h (22.1 L/h)

Maintenance and service parts

Oil filter	Specification: Cartridge; Capacity: ×1
Fuel filter	Specification: Primary

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