The Kohler 4EFOZ generator is listed with standby output of 4 kW, Diesel fuel, and 50 Hz operation.
Kohler Generator Specifications
Generator • Diesel • 50 Hz
Standby power: 4 kW
Key specifications
4 kW Standby power
Diesel Fuel
50 Hz Frequency
Useful generator charts
Charts are shown only when this model has enough usable source data.
Estimated fuel consumption by load
Estimated from comparable Kohler diesel models; not a manufacturer-rated curve.
25% load
0.16 gal/hr
50% load
0.27 gal/hr
75% load
0.36 gal/hr
100% load
0.44 gal/hr
How the Kohler 4EFOZ compares
This compares the supplied numeric specification with Kohler generators in the same broad standby-power class where enough comparable data exists.
Standby power
4 kW
48% below avg
13th percentile
Oil capacity
0.79 gal
In line with avg
53rd percentile
Standby power4 kW
Low 3 kWAverage 7.8 kWHigh 14 kW
About 48% below the similar-output Kohler average. Around the 13th percentile for this field.
Oil capacity0.79 gal
Low 0.25 galAverage 0.81 galHigh 2.3 gal
Very close to the similar-output Kohler average. Around the 53rd percentile for this field.
This model Peer average
Generator information
| Manufacturer | Kohler |
|---|---|
| Model | 4EFOZ |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 50 Hz |
Electrical output
| Standby power | 4 kW |
|---|---|
| Standby kVA | 4.0 |
Engine, cooling and controls
| Engine model | Yanmar 3TNE68 |
|---|---|
| Engine displacement | 48 cu in (0.78 L) |
| Rated engine speed | 1800 rpm |
| Engine oil capacity | 0.79 gal (3 L) |
| Engine coolant capacity | 0.48 gal (1.8 L) |
| Oil capacity | 0.79 gal (3 L) |
Fuel consumption
| Row | 0.25 gal/h (0.9 L/h) @ 25%; 0.35 gal/h (1.3 L/h) @ 50%; 0.45 gal/h (1.7 L/h) @ 75%; 0.57 gal/h (2.2 L/h) @ 100% |
|---|
Estimated fuel consumption
| 25% load | 0.16 gal/hr (0.6 L/hr) |
|---|---|
| 50% load | 0.27 gal/hr (1 L/hr) |
| 75% load | 0.36 gal/hr (1.3 L/hr) |
| 100% load | 0.44 gal/hr (1.7 L/hr) |
Estimated from comparable Kohler diesel generator curves using rated output, engine displacement, engine speed and aspiration where available. These are not manufacturer-rated values.
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Kohler North America generator website.