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D956 Construction

Highlights

Liebherr’s D956 is a very compact six-cylinder in-line engine. The robust design of the D956 is built to withstand the harshest conditions of the construction and agriculture industries. This six-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 minimise engine down time.

metricimperial
  • Displacement - 12.0 l

  • Rated power - 260 - 400 kW

  • Rated speed - 2,100 rpm

  • Number of cylinders - 6

  • Configuration - In-line engine

Engine USPs

Robust and highly efficient
Low total cost of ownership
Longer service intervals

thanks to an automatic poly-V-belt tensioner

Improved fuel consumption

thanks to a twin scroll turbocharger

Long oil change interval
Closed crankcase ventilation system

Photo gallery

Downloads

Technical data

Number of cylinders
6
Bore
130 mm
Displacement
12.0 l
Dry weight
1,176 kg
Stroke
150 mm
Configuration
In-line engine
Emission standards
EPA Tier 0 (Fuel consumption optimised) / EPA Tier 4f / EU Stage V
Compression ratio
17:1
Rated speed
2,100 rpm
Dimensions (L/W/H)
1.369 / 852 / 1.159 mm
Rated power
260 - 400 kW
Peak torque
2.516 Nm at 1.400 rpm

Options available for the engine

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
  • Fan drives

Sensors and diagnostics

  • Oil level sensor
  • LiDIA diagnostic tool

Electrical and structural components

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

D956 Construction