Doosan
Doosan D1146
D Series
Doosan D1146 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
- 96 kVA
- Electrical Output
- 77 kWe
- Cylinders
- L6
- Displacement
- 8.071 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 | 77 | 68 | 85 |
| Standby Power | 85 | 76.5 | 95.6 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 96 | 86.4 | 108 |
| Standby Power | 105 | 94.5 | 118.1 |
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Doosan D1146 overhaul & repair parts
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Doosan D1146 generator set context
The Doosan D1146 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 96 kVA / 77 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 | D1146 |
| Series | D Series |
| Configuration | L6, naturally aspirated |
| 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 D1146?
The Doosan D1146 is rated at 96 kVA standby / 85 kVA prime at 50 Hz (1,500 rpm); and 118 kVA standby / 108 kVA prime at 60 Hz (1,800 rpm).
Does the D1146 run at 50 Hz or 60 Hz?
The Doosan D1146 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Doosan D1146 use?
The Doosan D1146 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the D1146?
The Doosan D1146 is an inline-6 (6-cylinder) engine with a displacement of 8.071 L.
What emissions information is listed for the D1146?
This record lists U.S. EPA Tier 1 for the Doosan D1146. 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 D1146 still in production?
No — the Doosan D1146 is discontinued. Its specifications and datasheets remain archived here for reference.
Are reference documents available for the D1146?
This page links reference documents for the Doosan D1146. Check each document's title, model coverage, revision and rating conditions before using it for selection.