Kohler
Kohler KDI2504ESM
KDI Mechanical
Rehlko/Kohler KDI2504ESM 2.482 L naturally aspirated inline-4 diesel engine for 60 Hz stationary emergency generator sets. The official 20REOZK specification publishes up to 21 kWe prime and 24 kWe standby at 1800 RPM. EPA annual data includes current Tier 4 Final families; older certification families must not be assumed to share the same emissions configuration.
- Standby Power · 60 Hz
- 30 kVA
- Electrical Output
- 24 kWe
- Cylinders
- L4
- Displacement
- 2.482 L
- Rated Speed
- 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 21 | 26.3 |
| Standby Power | — | 24 | 30 |
Kohler KDI2504ESM generator set context
The Kohler KDI2504ESM is listed here as a diesel/hvo generator-drive engine for 60 Hz generator sets, with a headline 30 kVA / 24 kWe / standby rating. Use this page to compare the published engine output, electrical kWe/kVA ratings, emissions level, datasheet availability, and neighboring models before specifying an alternator, controller, enclosure, voltage, and compliance package.
Also searched as
Technical Specifications
| Brand | Kohler |
| Model | KDI2504ESM |
| Series | KDI Mechanical |
| Configuration | L4 |
| Cylinders | 4 |
| Displacement | 2.482 L |
| Compression Ratio | 18:1 |
| Fuel Type | Diesel/HVO |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Final Tier 4 |
| Certifications | U.S. EPA Tier 4 Final, EPA Stationary Emergency |
| Country of Origin | Italy |
| Year Introduced | 2014 |
Frequently asked questions
What is the power output of the Kohler KDI2504ESM?
The Kohler KDI2504ESM is rated at 30 kVA standby / 26 kVA prime at 60 Hz (1,800 rpm).
Does the KDI2504ESM run at 50 Hz or 60 Hz?
The Kohler KDI2504ESM is rated for 60 Hz (1,800 rpm).
What fuel does the Kohler KDI2504ESM use?
The Kohler KDI2504ESM is a diesel generator-set engine.
What is the displacement and cylinder configuration of the KDI2504ESM?
The Kohler KDI2504ESM is an inline-4 (4-cylinder) engine with a displacement of 2.482 L.
What emissions standard does the KDI2504ESM meet?
The Kohler KDI2504ESM is certified to U.S. EPA Final Tier 4 emissions standards.
Is the Kohler KDI2504ESM still in production?
Yes — the Kohler KDI2504ESM is a current production model.
Is a datasheet available for the KDI2504ESM?
Yes — an official Kohler datasheet for the Kohler KDI2504ESM can be downloaded from this page.
Related Engines
Compare Kohler KDI2504ESM
Reference
- Canonical page
- /engines/kohler-kdi2504esm
- Last database update
- 2026-07-24
- Manufacturer files
- 1 datasheet linked
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