Daedong
Daedong 3L123G
L Series
Daedong 3L123G is a 1.233 L inline-3 naturally aspirated diesel engine. EPA annual certification data lists 9 and 12 kWm constant-speed calibrations at 1800 RPM under Tier 4 Final.
Overhaul & repair parts- Manufacturer files
- No datasheet
- Last updated
- 2026-07-25
- Package route
- diesel generator sets
- Mechanical Output
- 12 kW
- Cylinders
- L3
- Displacement
- 1.233 L
- Rated Speed
- 1,500 RPM
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Daedong 3L123G overhaul & repair parts
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Daedong 3L123G generator set context
The Daedong 3L123G is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 12 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 | Daedong |
| Model | 3L123G |
| Series | L Series |
| Configuration | L3 Naturally Aspirated |
| Cylinders | 3 |
| Displacement | 1.233 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Final Tier 4 |
| Certifications | U.S. EPA Tier 4 Final |
| Country of Origin | South Korea |
Frequently asked questions
What fuel does the Daedong 3L123G use?
The Daedong 3L123G is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 3L123G?
The Daedong 3L123G is an inline-3 (3-cylinder) engine with a displacement of 1.233 L.
What emissions information is listed for the 3L123G?
This record lists U.S. EPA Final Tier 4 for the Daedong 3L123G. 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 Daedong 3L123G?
The Daedong 3L123G is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.