The Kohler 40EOZ generator is listed with standby output of 40 kW, Diesel fuel, 60 Hz operation, 8 available voltage configurations, Three phase, and rated current of 139 A.
Generator • Diesel • 60 Hz • Three phase
Key specifications
Useful generator charts
Charts are shown only when this model has enough usable source data.
1.1 gal/hr
1.9 gal/hr
2.6 gal/hr
3.3 gal/hr
19.9 kW
24.9 kW
40 kW
40 kW
How the Kohler 40EOZ compares
This compares the supplied numeric specification with Kohler generators in the same broad standby-power class where enough comparable data exists.
Very close to the similar-output Kohler average. Around the 50th percentile for this field.
About 7% below the similar-output Kohler average. Around the 35th percentile for this field.
Very close to the similar-output Kohler average. Around the 52nd percentile for this field.
About 21% below the similar-output Kohler average. Around the 36th percentile for this field.
Generator information
| Manufacturer | Kohler |
|---|---|
| Model | 40EOZ |
| Generator type | Generator |
| Fuel | Diesel |
| Frequency | 60 Hz |
Electrical output
| Standby power | 40 kW |
|---|---|
| Prime power | 40 kW |
| Voltage options | 120 V, 208 V, 240 V, 127 V, 220 V, 139 V, 277 V, 480 V |
| Phase | Three phase |
| Rated current | 139 A |
Engine, cooling and controls
| Oil capacity | 1.98 gal (7.5 L) |
|---|---|
| Coolant capacity | 3.17 gal (12 L) |
| Controller | Decision-Maker 3+, Decision-Maker 3500, KOHLER-built microprocessor controls |
| Alternator | Kohler Fast-Response (Class H insulation) |
| Emissions | Tier II |
Physical specifications
| Dry weight | 2, 006 lb (910 kg) |
|---|---|
| Dimensions (L × W × H) | 60 × 28.4 × 37.8 in (1524 × 722 × 960 mm) |
Battery
| Battery cranking | 640 CCA |
|---|---|
| Battery voltage | 12 V |
Fuel consumption
| Prime | 1.1 gal/h (4.3 L/h) @ 25%; 1.9 gal/h (7.1 L/h) @ 50%; 2.6 gal/h (9.9 L/h) @ 75%; 3.3 gal/h (12.5 L/h) @ 100% |
|---|
Maintenance and service parts
| Engine oil | Capacity: 7.5 L |
|---|---|
| Oil filter | Part number: GM32809 |
| Fuel filter | Part number: GM48727 | GM48728; Specification: Primary | Secondary |
| Air filter | Part number: 226915 |
| Belt | Part number: GM15402; Specification: Alternator and Seawater Pump |
Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Kohler North America generator website.