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Kohler 12EFKOZD Specs (Power | Consumption)

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

The Kohler 12EFKOZD generator is listed with standby output of 12 kW, Diesel fuel, 50 Hz operation, 6 available voltage configurations, Single phase, and rated current of 53 A.

Kohler Generator Specifications

Generator • Diesel • 50 Hz • Single phase

Standby power: 12 kWVoltage options: 6 configurationsRated current: 53 ADry weight: 783 lb (355 kg)

Key specifications

12 kW Standby power
Diesel Fuel
6 configurations Voltage options
Single phase Phase
53 A Rated current
783 lb (355 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

0.36 gal/hr

50% load

0.57 gal/hr

75% load

0.81 gal/hr

100% load

1.05 gal/hr

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

15.3 kW

Peer average

24.8 kW

21st percentile
Power output
Low 12 kW High 12 kW
Standby

12 kW

Prime

12 kW

Model spec snapshot
Representative numeric specifications from this generator.
12 kWStandby
53 ACurrent
782.64 lbWeight

How the Kohler 12EFKOZD compares

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

Standby power
12 kW
55% above avg
87th percentile
Rated current
53 A
32% above avg
79th percentile
Dry weight
783 lb
121% above avg
96th percentile
Oil capacity
2.3 gal
183% above avg
98th percentile
Standby power12 kW
Low 3 kWAverage 7.8 kWHigh 14 kW

About 55% above the similar-output Kohler average. Around the 87th percentile for this field.

Rated current53 A
Low 14 AAverage 40 AHigh 100 A

About 32% above the similar-output Kohler average. Around the 79th percentile for this field.

Dry weight783 lb
Low 130 lbAverage 354 lbHigh 785 lb

About 121% above the similar-output Kohler average. Around the 96th percentile for this field.

Oil capacity2.3 gal
Low 0.25 galAverage 0.81 galHigh 2.3 gal

About 183% above the similar-output Kohler average. Around the 98th percentile for this field.

This model Peer average

Generator information

Manufacturer Kohler
Model 12EFKOZD
Generator type Generator
Fuel Diesel
Frequency 50 Hz

Electrical output

Standby power 12 kW
Prime power 12 kW
Standby kVA 12.0
Voltage options 110/190 V, 115/230 V, 120/208 V, 230/400 V, 240/416 V, 220/380 V
Phase Single phase
Rated current 53 A

Engine, cooling and controls

Oil capacity 2.3 gal (8.7 L)
Coolant capacity 1.37 gal (5.2 L)
Controller Decision-Maker, Decision-Maker 3500
Alternator 4D3.1

Physical specifications

Dry weight 783 lb (355 kg)
Dimensions (L × W × H) 38.7 × 22.8 × 27.4 in (984 × 580 × 695 mm)

Battery

Battery cranking 650 CCA
Battery voltage 12 V

Fuel consumption

Standby 0.36 gal/h (1.35 L/h) @ 25%; 0.57 gal/h (2.16 L/h) @ 50%; 0.81 gal/h (3.08 L/h) @ 75%; 1.05 gal/h (3.97 L/h) @ 100%

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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