D9512 A7 Diesel engine

The Liebherr diesel engine D9512 A7 with 12 cylinders in V-arrangement and a displacement of 24,2 liters has a maximum power of 750kW at 1,900 revolutions. The engine features for regulated and unregulated markets identical performances, the same requirements for the machine‘s cooling system, and the same interfaces when installed. This enables the customer to use the same device design for different emission standards.
Configuration V-engine
Number of cylinders 12
Displacement 24.2 l
Power rating 565 - 750 kW
Max. torque 4,675 Nm
Emission standards EU Stage V / EPA Tier 4f / IMO III / EPA Tier 0 (Fuel consumption optimised)

Technical data

Configuration V-engine
Number of cylinders 12
Flywheel housing SAE 0 / SAE 1
Bore 128 mm
Stroke 157 mm
Displacement 24.2 l
Power rating 565 - 750 kW
Rated speed 1,500 - 1,900 rpm
Max. torque 4,675 Nm
Dimensions (L/W/H) 1,856 / 1,236 / 1,314 mm
Dry weight 2,050 kg
Auxiliary outputs (PTO) 2
Emission standards EU Stage V / EPA Tier 4f / IMO III / EPA Tier 0 (Fuel consumption optimised)