D9912
Power generation
The D9912, part of the Liebherr D99 engine series, is designed to ensure dependable power supply for mission-critical applications. Engineered for genset installations in environments such as data centers and industrial facilities, it delivers consistent performance where uptime and reliability are essential. Its robust architecture integrates a single-stage turbocharging system, a high-efficiency blow-by system, and Liebherr’s advanced injection technology. Combined with a coolant-cooled Engine Control Unit, the D9912 ensures stable operation. With a mechanical power output ranging from 1,302 kW to 2,406 kW at 50 Hz, and from 1,652 kW to 2,700 kW at 60 Hz, the engine operates at 1,500 rpm for 50 Hz applications and 1,800 rpm for 60 Hz applications. High-efficiency oil and fuel filtration systems support extended service intervals, contributing to optimized maintenance and enhanced availability. Please note that this engine is currently part of an exclusive partnership and is not commercially available.
Configuration - V-engine
V-engine
Number of cylinders - 12
12
Displacement - 62.0 l
62.0 l
Rated power - 1,302 - 2,700 kW
1,302 - 2,700 kW
Application - Power generation
Power generation
This engine is presented as a reference of Liebherr’s engineering expertise. Commercial availability is subject to an exclusive partnership.
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Technical data
| Application | Power generation |
| Engine type | Diesel engines |
| Configuration | V-engine |
| Number of cylinders | 12 |
| Bore | 175 mm |
| Stroke | 215 mm |
| Displacement | 62.0 l |
| Rated power | 1,302 - 2,700 kW |
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