D9612
Defense
The D9612 V12 engine sets new standards for power in heavy tactical platforms. Featuring increased displacement and Liebherr’s advanced injection system, it delivers the power-to-weight ratios required in the heavy vehicle segment while reducing fuel and oil consumption. Backed by a proven civil platform with over 2,000 units in operation since 2016 and more than 47,000 hours of test bench validation, the engine ensures outstanding reliability. Thanks to Liebherr’s in-house engine control system, the D9612 can be optimized for different duty cycles and a wide range of fuel types, making it ideally suited for demanding heavy military missions.
Configuration - V-engine
V-engine
Number of cylinders - 12
12
Displacement - 29.4 l
29.4 l
Rated power - 850 - 1,400 kW
850 - 1,400 kW
Application - Defense
Defense
Product advantages
Robust and highly versatile engine design
Proven reliability
Extreme condition validation
Low fuel consumption
Modular design and adaptability
Global support and digital solutions
Photo gallery
Technical data
| Application | Defense |
| Engine type | Diesel engines |
| Configuration | V-engine |
| Number of cylinders | 12 |
| Bore | 141 mm |
| Stroke | 157 mm |
| Displacement | 29.4 l |
| Rated power | 850 - 1,400 kW |
| Dimensions (L/W/H) | 1,750 / 2,020 / 1,080 mm |



