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Kohler 45EFOZCJ Specs (Power | Consumption)

Written by Ernie Lo in Specs Last Updated August 18, 2026

The Kohler 45EFOZCJ generator is listed with standby output of 45 kW, Diesel fuel, 50 Hz operation, 9 available voltage configurations, Three phase, and rated current of 171 A.

Kohler Generator Specifications

Generator • Diesel • 50 Hz • Three phase

Standby power: 45 kWVoltage options: 9 configurationsRated current: 171 ADry weight: 2,059 lb (934 kg)

Key specifications

45 kW Standby power
Diesel Fuel
9 configurations Voltage options
Three phase Phase
171 A Rated current
2,059 lb (934 kg) Dry weight
50 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

1.5 gal/hr

50% load

2.55 gal/hr

75% load

3.61 gal/hr

100% load

4.66 gal/hr

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

21.9 kW

Peer average

24.9 kW

38th percentile
Power output
Low 45 kW High 45 kW
Standby

45 kW

Prime

45 kW

Model spec snapshot
Representative numeric specifications from this generator.
45 kWStandby
171 ACurrent
2,059.12 lbWeight

How the Kohler 45EFOZCJ compares

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

Standby power
45 kW
9% above avg
65th percentile
Rated current
171 A
14% above avg
66th percentile
Dry weight
2,059 lb
3% above avg
60th percentile
Oil capacity
3.7 gal
47% above avg
84th percentile
Standby power45 kW
Low 30 kWAverage 41.1 kWHigh 55 kW

About 9% above the similar-output Kohler average. Around the 65th percentile for this field.

Rated current171 A
Low 43 AAverage 149 AHigh 221 A

About 14% above the similar-output Kohler average. Around the 66th percentile for this field.

Dry weight2,059 lb
Low 657 lbAverage 1,994 lbHigh 4,385 lb

About 3% above the similar-output Kohler average. Around the 60th percentile for this field.

Oil capacity3.7 gal
Low 1.09 galAverage 2.52 galHigh 4.12 gal

About 47% above the similar-output Kohler average. Around the 84th percentile for this field.

This model Peer average

Generator information

Manufacturer Kohler
Model 45EFOZCJ
Generator type Generator
Fuel Diesel
Frequency 50 Hz

Electrical output

Standby power 45 kW
Prime power 45 kW
Voltage options 110 V, 190 V, 220 V, 115 V, 230 V, 380 V, 400 V, 240 V, 416 V
Phase Three phase
Rated current 171 A

Engine, cooling and controls

Oil capacity 3.7 gal (14 L)
Coolant capacity 3.7 gal (14 L)
Controller Decision-Maker 3500
Alternator Kohler 4P8X
Emissions Stage V

Physical specifications

Dry weight 2, 059 lb (934 kg)
Dimensions (L × W × H) 61 × 29.1 × 37.8 in (1549 × 738 × 961 mm)

Battery

Battery cranking 625 CCA
Battery voltage 12 V

Fuel consumption

Prime 1.5 gal/h (5.67 L/h) @ 25%; 2.55 gal/h (9.65 L/h) @ 50%; 3.61 gal/h (13.66 L/h) @ 75%; 4.66 gal/h (17.64 L/h) @ 100%

Maintenance and service parts

Engine oil Capacity: 14.0 L

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

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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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