Liebherr
Liebherr D946
D9 Series
Liebherr D946 12L 6-cylinder diesel engine for generator sets. 400 kWm standby at 1500rpm. Euro Stage V. kWe estimated at 96% alternator efficiency. Turbocharged Intercooled.
Overhaul & repair parts- Manufacturer files
- 2 datasheets
- Last updated
- 2026-06-11
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 480 kVA
- Electrical Output
- 384 kWe
- Cylinders
- L6
- Displacement
- 12 L
- Rated Speed
- 1,500 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf · kWe estimated — see note below
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 360 | 345.6 | 432 |
| Standby Power | 400 | 384 | 480 |
Note: The manufacturer does not publish a separate kWe rating for this engine. kWe values shown are estimated from the rated mechanical output (kWm) using a conservative 90% alternator efficiency factor.
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Liebherr D946 overhaul & repair parts
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Liebherr D946 generator set context
The Liebherr D946 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 480 kVA / 384 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 | Liebherr |
| Model | D946 |
| Series | D9 Series |
| Configuration | L6 |
| Cylinders | 6 |
| Displacement | 12 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Euro Stage V |
| Country of Origin | Switzerland |
Frequently asked questions
What is the power output of the Liebherr D946?
The Liebherr D946 is rated at 480 kVA standby / 432 kVA prime at 50 Hz (1,500 rpm).
Does the D946 run at 50 Hz or 60 Hz?
The Liebherr D946 is rated for 50 Hz (1,500 rpm).
What fuel does the Liebherr D946 use?
The Liebherr D946 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the D946?
The Liebherr D946 is an inline-6 (6-cylinder) engine with a displacement of 12 L.
What emissions information is listed for the D946?
This record lists Euro Stage V for the Liebherr D946. 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 Liebherr D946?
The Liebherr D946 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 D946?
This page links reference documents for the Liebherr D946. Check each document's title, model coverage, revision and rating conditions before using it for selection.