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D9512 Construction

Diesel engine

Highlights

The Liebherr diesel engine D9512 with 12 cylinders in-V arrangement and a displacement of 24.2 liters can achieve a power output of 850 kW at 2000 revolutions. The robust design of the D9512 is built to withstand the harshest conditions of the construction and agriculture industries. This twelve-cylinder engine comes with an integrated centrifugal water pump and closed crankcase ventilation system, ultrafine fiber oil filter, fuel fine filter on engine as well as twin scroll turbocharger that considerably improve fuel consumption. The engine fulfils the demanding EU Stage V exhaust emission standards and can be fitted with Tier 4 final solutions. Our engine condition monitoring solution and LiDIA diagnostic tool, together with a long life service further extend reliability and minimize engine down time.

metricimperial
  • Displacement - 24.2 l

  • Rated speed - 1,900 rpm

  • Number of cylinders - 12

  • Rated power - 565 - 850 kW

  • Configuration - V-engine

What's inside

Filtration and fluids

  • Remote fuel and oil filters
  • Several oil filling and dipstick position
  • Several oil sumps design for all packaging installation

Cooling and air systems

  • Air compressor
  • Air condition accessories
  • Several air and water connections
  • Cold start kits for any temperature conditions
  • Fan drives

Sensors and diagnostics

  • Oil level sensor
  • LiDIA diagnostic tool

Longer service intervals

  • Several SAE-flywheel options
  • Generator
  • Finger guard
  • Two service-sides
  • Double-starter configuration
  • Turbocharger connections
  • Several high power Take-off
  • Efficient engine brake system

Long oil change interval

Photo gallery

Downloads

Technical data

Number of cylinders
12
Displacement
24.2 l
Rated speed
1,900 rpm
Compression ratio
16.7 : 1
Dry weight
2,266 kg
Rated power
565 - 850 kW
Peak torque
5.306 at 1.400 rpm
Stroke
157 mm
Configuration
V-engine
Emission standards
EPA Tier 0 (Fuel consumption optimised) / EPA Tier 4f / EU Stage V
Bore
128 mm
Dimensions (L/W/H)
1,969 / 1,381 / 1,285 mm

Options available for the engine:

Several high power Take-off
Cold start kits for any temperature conditions
Efficient engine brake system
Remote fuel and oil filters
Air compressor
Several oil sumps design for all packaging installation, with oil level sensor
Several oil filling and dipstick position
Air condition accessories
Generator
Double-starter configuration
Several SAE-flywheel options
Fan drives
Turbocharger connections
Several air and water connections
Finger guard
Two service-sides
LiDIA diagnostic tool
Engine Condition monitoring

D9512 Construction