Kohler
Kohler KDI1903ESM
KDI Series
Kohler KDI1903ESM 1.861 L L3 Naturally Aspirated diesel engine. EPA annual certification data lists 21 kWm at 1800 RPM. U.S. EPA Tier 2 / U.S. EPA Final Tier 4.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-07-25
- Package route
- diesel generator sets
- Mechanical Output
- 21 kW
- Cylinders
- L3
- Displacement
- 1.861 L
- Rated Speed
- 1,500 RPM
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Kohler KDI1903ESM overhaul & repair parts
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Kohler KDI1903ESM generator set context
The Kohler KDI1903ESM is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 21 kW / 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.
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Technical Specifications
| Brand | Kohler |
| Model | KDI1903ESM |
| Series | KDI Series |
| Configuration | L3 Naturally Aspirated |
| Cylinders | 3 |
| Displacement | 1.861 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 2 / U.S. EPA Final Tier 4 |
| Certifications | U.S. EPA Tier 2, U.S. EPA Final Tier 4 |
| Country of Origin | France |
Frequently asked questions
What fuel does the Kohler KDI1903ESM use?
The Kohler KDI1903ESM is a diesel generator-set engine.
What is the displacement and cylinder configuration of the KDI1903ESM?
The Kohler KDI1903ESM is an inline-3 (3-cylinder) engine with a displacement of 1.861 L.
What emissions information is listed for the KDI1903ESM?
This record lists U.S. EPA Tier 2 / U.S. EPA Final Tier 4 for the Kohler KDI1903ESM. Confirm the exact engine family, model year, configuration and applicable manufacturer certification documents before specifying it for a regulated project. A database label does not establish certification of a complete generator package.
What is the catalog status of the Kohler KDI1903ESM?
The Kohler KDI1903ESM is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.
Are reference documents available for the KDI1903ESM?
This page links reference documents for the Kohler KDI1903ESM. Check each document's title, model coverage, revision and rating conditions before using it for selection.