Kohler
Kohler KDI1903TCR
KDI Series
Kohler KDI1903TCR 1.9L 3-cylinder common-rail diesel engine for compact generator sets. 20 kWe standby at 60Hz. EPA Tier 4 Final. Kohler's small-diesel (Lombardini) line, distinct from the large KD Series. Turbocharged, Common Rail.
Overhaul & repair parts- Manufacturer files
- 2 datasheets
- Last updated
- 2026-06-11
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 21 kVA
- Electrical Output
- 17 kWe
- Cylinders
- L3
- Displacement
- 1.9 L
- Rated Speed
- 1,500 / 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 17.8 | 16 | 20 |
| Standby Power | 18.9 | 17 | 21.3 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 20 | 18 | 22.5 |
| Standby Power | 22.2 | 20 | 25 |
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Kohler KDI1903TCR overhaul & repair parts
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Kohler KDI1903TCR generator set context
The Kohler KDI1903TCR is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 21 kVA / 17 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.
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Technical Specifications
| Brand | Kohler |
| Model | KDI1903TCR |
| Series | KDI Series |
| Configuration | L3 |
| Cylinders | 3 |
| Displacement | 1.9 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Final Tier 4 |
| Country of Origin | Italy |
Frequently asked questions
What is the power output of the Kohler KDI1903TCR?
The Kohler KDI1903TCR is rated at 21 kVA standby / 20 kVA prime at 50 Hz (1,500 rpm); and 25 kVA standby / 23 kVA prime at 60 Hz (1,800 rpm).
Does the KDI1903TCR run at 50 Hz or 60 Hz?
The Kohler KDI1903TCR is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Kohler KDI1903TCR use?
The Kohler KDI1903TCR is a diesel generator-set engine.
What is the displacement and cylinder configuration of the KDI1903TCR?
The Kohler KDI1903TCR is an inline-3 (3-cylinder) engine with a displacement of 1.9 L.
What emissions information is listed for the KDI1903TCR?
This record lists U.S. EPA Final Tier 4 for the Kohler KDI1903TCR. 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 KDI1903TCR?
The Kohler KDI1903TCR 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 KDI1903TCR?
This page links reference documents for the Kohler KDI1903TCR. Check each document's title, model coverage, revision and rating conditions before using it for selection.