Liebherr INDUSTRIAL ENGINES

In Production

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.

Liebherr D946|MID-RANGE CLASSIFICATION
GENSET ARCHITECTURE: L612 L
HEAVY-DUTY GENSET INTEGRATION PLATFORM
POWER CLASSIFICATION480 kVA
ELECTRICAL OUTPUT384 kWe
FUEL SYSTEMDiesel
READY FOR TURNKEY PACKAGING

Standby Power

480 kVA

Electrical Output

384 kWe

Cylinders / Config

L6

Displacement

12 L

Rated Speed

1,500 RPM

ISO 8528 Power Ratings

Power Factor: 0.8 pf

kWm = mechanical engine shaft power · kWe = electrical output · kVA = apparent electrical power.

50 Hz Grid Frequency1500 RPM
Operating DutykWm (Mechanical)kWe (Electrical)kVA (Rating)
Prime360345.6432
Standby400384480

Mechanical & Electrical Specifications

BrandLiebherr
ModelD946
SeriesD9 Series
ConfigurationL6
Cylinders6
Displacement12 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardEuro Stage V
Country of OriginSwitzerland

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 standard does the D946 meet?

The Liebherr D946 is certified to Euro Stage V emissions standards.

Is the Liebherr D946 still in production?

Yes — the Liebherr D946 is a current production model.

Is a datasheet available for the D946?

Yes — an official Liebherr datasheet for the Liebherr D946 can be downloaded from this page.

Sibling & Competing Engine Models