Specifications :
Engine
| Rating per ISO 9249: | 400 kW at 1800 RPM |
|---|---|
| Model: | Liebherr D 9508 |
| Type: | 8 cylinder V-engine |
| Bore/Stroke: | 128/157mm |
| Displacement: | 16,16 l |
| Engine operation: |
4-stroke diesel Common rail injection Turbo-charged After-cooled Reduced emissions |
| Cooling: | Water-cooled |
| Air cleaner: | Dry-type air cleaner with pre-cleaner, primary and safety elements, automatic dust discharge |
Refiil Capacities
| Fuel tank: | 1,460 L |
|---|---|
| Hydraulic tank: | 745 L |
| Hydraulic system: | 1,350 L |
Electrical System
| Voltage: | 24 V |
|---|---|
| Batteries: | 2 x 170 Ah/12 V |
| Starter: | 24 V/7,8 kW |
| Alternator: | Three phase current 28 V/80 A |
Hydraulic System
| Hydraulic pump for attachment and travel drive: | 2 Liebherr variable flow, swash plate pumps |
|---|---|
| Max. flow: | 2 x 496 l/min |
| Max. pressure: | 320 bar |
| Pump regulation: | Electro-hydraulic with electronic engine speed sensing regulation over entire RPM range, pressure compensation, flow compensation, automatic oil flow optimizer, flow summation |
| Hydraulic pump for swing drive: | 1 reversible swash plate pump, closed-loop circuit |
| Max. flow: | 315 l/min |
| Max. pressure: | 350 bar |
| Hydraulic oil filter: | 2 full flow filters in return line with integrated fine filter area (5 μm), 1 high pressure filter for each main pump |
| Cooler: | Radiator, consisting of cooling unit for coolant and aftercooler as well as 2nd cooler for hydraulic oil with hydrostatically regulated fan drive |
| MODE selection: | Adjustment of machine performance and hydraulics via a mode selector to match application |
| ECO: | For especially economical and environmentally friendly operation |
| Power: | For maximum digging power and heavy duty jobs |
| Lift: | For lifting |
| Fine: | For precision work and lifting through very sensitive movements |
| RPM adjustment: | Stepless adjustment of engine output via rpm at each selected mode |
| Menu for auxiliary functions: | 4 fixed adjustable oil flow parameters for optional working tool |
Operators Cab
| Cab: | Profiles and deep drawn technology, resiliently mounted, sound insulated, tinted windows. Front window armored glass, door with sliding window |
|---|---|
| Operator’s seat: | Shock absorbing suspension, adjustable to operator’s weight, 6-way adjustable seat |
| Joysticks: | Integrated into adjustable seat consoles |
| Monitoring: | Menu driven digital LCD display. Automatic monitoring, display, warning (acoustical and optical signal) and machine diagnostic data |
| Airconditioning: | Standard automatic air conditioning, combined cooler/heater, additional dust filter in fresh air/recirculated |
| Noise emission ISO6396: | Inside cab: 72 dB(A) |
| 2000/14/EC: | Surround noise: 109 dB(A) |
Swing Drive
| Drive by: | Liebherr swash plate motor with integrated brake valves |
|---|---|
| Transmission: | Liebherr compact planetary reduction gear |
| Swing ring: | Liebherr, sealed single race ball bearing swing ring, internal teeth. |
| Swing speed: | 0 – 5,9 rpm stepless |
| Swing torque: | 295 kNm |
| Holding brake: | Wet multi-disc (spring applied, pressure released) |
| Option: | Pedal controlled positioning brake |
Hydraulic Controls
| Power distribution: | Via control valves in single block with integrated safety valves |
|---|---|
| Flow summation: | To boom and stick |
| Closed-loop circuit: | For uppercarriage swing drive |
| Activation: | Electro-hydraulic control |
| Servo circuit: | |
| Attachment and swing: | Proportional via joystick levers |
| Travel: | Proportional via foot pedals or removable hand levers |
| Additional functions: | Via foot pedals or joystick toggle switch |
Upercarriage
| Design: | Torque resistant modular upper frame design |
|---|---|
| Attachment mounting: | Parallel length girders |
| Catwalks: | On both sides |
Attachment
| Type: | Box-type, combination of resistant steel plates and cast steel components |
|---|---|
| Hydraulic Cylinders: | Liebherr cylinders with special seal-system, shock absorbed |
| Pivots: | Sealed, low maintenance |
| Pivots bucket-to-stick bucket-to-link: | O-ring sealed and completely enclosed |
| Lubrication: | Automatic central lubrication system (except link and tilt geometry) |
| Hydraulic Connections: | Pipes and hoses equipped with SAE split flange connections |
| Bucket: | Standard-equipped with 27 t lifting eye |
Undercarriage
| HD: | Heavy duty |
|---|---|
| S-HD: | Super-HD undercarriage for extreme and very tough applications |
| Drive: | Liebherr swash plate motors with integrated brake valves on both sides |
| Transmission: | Liebherr planetary reduction gears |
| Travel speed: | |
| HD: |
Low range - 2,7 km/h High range - 4,4 km/h |
| S-HD: |
Low range - 2,1 km/h High range - 3,6 km/h |
| Drawbar pull max.: | |
| HD: | 729 kN |
| S-HD: | 867 kN |
| Track components: | |
| HD: | B 9 S, maintenance-free |
| S-HD: | D 9 G, maintenance-free |
| Track rollers/Carrier rollers: | |
| HD: | 8/2 |
| S-HD: | 9/2 |
| Track pads: | Double-grouser beveled |
| Digging locks: | Wet multi-discs (spring applied, pressure released) |
| Brake valves: | Integrated into travel motor |
Standard Equipment
| Undercarriage: |
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|---|---|
| Uppercarriage: |
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| Hydraulics: |
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| Engine: |
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| Operator’s Cab: |
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| Attachment: |
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Dimensions/ Line Drawings
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