Doosan
Doosan D1146T
D Series
Doosan D1146T D Series diesel engine. Legacy Doosan generator-drive diesel for standby and prime generator sets.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-08-04
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 218 kVA
- Electrical Output
- 175 kWe
- Cylinders
- L6
- Displacement
- 8.071 L
- Rated Speed
- 1,500 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 172 | 96 | 120 |
| Standby Power | 194 | 174.6 | 218.2 |
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Doosan D1146T overhaul & repair parts
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Doosan D1146T generator set context
The Doosan D1146T is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 218 kVA / 175 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 | Doosan |
| Model | D1146T |
| Series | D Series |
| Configuration | L6, turbocharged |
| Cylinders | 6 |
| Displacement | 8.071 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 1 |
| Country of Origin | South Korea |
Frequently asked questions
What is the power output of the Doosan D1146T?
The Doosan D1146T is rated at 218 kVA standby / 120 kVA prime at 50 Hz (1,500 rpm).
Does the D1146T run at 50 Hz or 60 Hz?
The Doosan D1146T is rated for 50 Hz (1,500 rpm).
What fuel does the Doosan D1146T use?
The Doosan D1146T is a diesel generator-set engine.
What is the displacement and cylinder configuration of the D1146T?
The Doosan D1146T is an inline-6 (6-cylinder) engine with a displacement of 8.071 L.
What emissions information is listed for the D1146T?
This record lists U.S. EPA Tier 1 for the Doosan D1146T. 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.
Is the D1146T still in production?
No — the Doosan D1146T is discontinued. Its specifications and datasheets remain archived here for reference.
Are reference documents available for the D1146T?
This page links reference documents for the Doosan D1146T. Check each document's title, model coverage, revision and rating conditions before using it for selection.