Kohler 55REOZT4 Specs (Power | Consumption)

The Kohler 55REOZT4 generator is listed with standby output of 48 kW, Diesel fuel, 60 Hz operation, 115 V, 200 V output, Single phase / Three, and sound level of 69 dBA @ 75 ft (23 m).

Kohler Generator Specifications

Generator • Diesel • 60 Hz • Single phase / Three

Standby power: 48 kWVoltage options: 115 V, 200 VDry weight: 4,385 lb (1,989 kg)

Key specifications

48 kW Standby power

Diesel Fuel

115 V, 200 V Voltage options

Single phase / Three Phase

4,385 lb (1,989 kg) Dry weight

69 dBA @ 75 ft (23 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

1.2 gal/hr

50% load

2 gal/hr

75% load

2.9 gal/hr

100% load

3.8 gal/hr

Estimated runtime by load

Calculated from the listed 102 gal fuel capacity and fuel-consumption data.

No load

254.9 hr

25% load

85 hr

50% load

51 hr

75% load

35.2 hr

100% load

26.8 hr

Power-to-weight

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

This model

10.9 kW

Peer average

24.9 kW

8th percentile

Power output

Low 43 kW High 48 kW

Standby

48 kW

Prime

43 kW

How the Kohler 55REOZT4 compares

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

Standby power

48 kW

17% above avg

70th percentile

Dry weight

4,385 lb

120% above avg

98th percentile

Sound level

69 dBA

4% above avg

68th percentile

Oil capacity

4.12 gal

64% above avg

95th percentile

Standby power48 kW

Low 30 kWAverage 41.1 kWHigh 55 kW

About 17% above the similar-output Kohler average. Around the 70th percentile for this field.

Dry weight4,385 lb

Low 657 lbAverage 1,994 lbHigh 4,385 lb

About 120% above the similar-output Kohler average. Around the 98th percentile for this field.

Sound level69 dBA

Low 57 dBAAverage 66.3 dBAHigh 76.6 dBA

About 4% above the similar-output Kohler average. Around the 68th percentile for this field.

Oil capacity4.12 gal

Low 1.09 galAverage 2.52 galHigh 4.12 gal

About 64% above the similar-output Kohler average. Around the 95th percentile for this field.

This model Peer average

Generator information

Manufacturer	Kohler
Model	55REOZT4
Generator type	Generator
Fuel	Diesel
Frequency	60 Hz

Electrical output

Standby power	48 kW
Prime power	43 kW
Standby kVA	60.0
Voltage options	115 V, 200 V
Phase	Single phase / Three

Engine, cooling and controls

Engine model	Kohler 3.4 L
Engine displacement	207 cu in (3.4 L)
Aspiration / cooling	Turbocharged/Aftercooled
Rated engine speed	1800 rpm
Engine oil capacity	1.85 gal (7 L)
Engine coolant capacity	2.51 gal (9.5 L)
Oil capacity	4.12 gal (15.6 L)
Coolant capacity	3.17 gal (12 L)
Maximum ambient	113 °F (45 °C)
Controller	Decision-Maker 3500
Emissions	Tier 4 Final

Physical specifications

Dry weight	4, 385 lb (1, 989 kg)
Dimensions (L × W × H)	98.7 × 44.1 × 74.6 in (2506 × 1120 × 1896 mm)
Sound level	69 dBA @ 75 ft (23 m)

Battery

Battery cranking	925 CCA
Battery voltage	12 V
Battery quantity	1

Fuel system and runtime

Fuel tank	102 gal (386 L)
Tank runtime	24 hr

Fuel consumption

Standby	0.4 gal/h (1.5 L/h) @ 25%; 1.2 gal/h (4.6 L/h) @ 50%; 2.0 gal/h (7.7 L/h) @ 75%; 2.9 gal/h (10.9 L/h) @ 100%; 3.8 gal/h (14.2 L/h)
Prime	0.4 gal/h (1.5 L/h) @ 25%; 0.8 gal/h (3.2 L/h) @ 50%; 4.9 gal/h (18.5 L/h) @ 75%; 6.2 gal/h (23.5 L/h) @ 100%; 3.4 gal/h (12.9 L/h)

Maintenance and service parts

Engine oil	Interval: 2000 hr; Capacity: 15.6 L
Oil filter	Interval: 12000 hr
Coolant	Interval: 40000 hr; Capacity: 24.0
Coolant filter	Interval: 500 hr
Belt	Interval: 5000 hr

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