Specifications :
Engine
| Rating per ISO 9249: | 115 kW at 1800 RPM |
|---|---|
| Model: | Liebherr D 934 S |
| Type: | 4 cylinder in-line |
| Bore/Stroke: | 122/136 mm |
| Displacement: | 6,36 l |
| Engine operation: |
4-stroke diesel Unit pump system Turbo-charged After-cooled and fuel cooled |
| Cooling: | Water-cooled and integrated motor oil cooler |
| Air cleaner: | Dry-type air cleaner with pre-cleaner, primary and safety elements |
Refiil Capacities
| Fuel tank: | 380 L |
|---|---|
| Hydraulic tank: | 290 L |
| Hydraulic system: | max. 500 L |
Electrical System
| Voltage: | 24 V |
|---|---|
| Batteries: | 2 x 135 Ah/12 V |
| Starter: | 24 V/6,6 kW |
| Alternator: | Three phase current 28 V/80 A |
| Engine idling: | Sensor-controlled |
Hydraulic System
| Hydraulic System: | Positive Control dual circuit hydraulic system for independent and need-based flow control |
|---|---|
| Hydraulic pump: | Liebherr variable displacement pump built in transversal plate style, in parallel arrangement with integrated transfer box |
| Max. flow: | 2 x 214 l/min |
| Max. pressure: | 350 bar |
| Pump regulation: | Electro-hydraulic with electronic engine speed sensing regulation, pressure compensation, flow compensation, automatic oil flow optimizer, swing circuit with priority and torque control. 2 independent circuits with hydraulic pump summation for individual equipment movements |
| Hydraulic oil filter: | 1 full flow filter (20 μm) in return line with integrated fine filter area (5 μm) |
| Hydraulic oil cooler: | Compact cooler, consisting of a water cooler, sandwiched with hydraulic oil cooler, fuel cooler and after-cooler cores and hydrostatically driven fan |
| MODE selection: | Adjustment of engine and hydraulic performance via a mode pre-selector to match application from economical and environmentally friendly operation to maximum digging performance and heavy-duty jobs |
| Super-Finish: | Adjustable working speed for precision work |
| RPM adjustment: | Stepless adjustment of engine output via RPM at each selected mode |
| Liebherr Tool Control: | 10 pre-adjustable pump flows and pressures for add-on tools |
|
Liebherr Tool Management: |
Automatic tool recognition (unlimited number) and setting of the discharge and pressure; the operating hours of the attachment tool are recorded |
Operators Cab
| Cab: | ROPS safety cab structure constructed from deepdrawn components, resiliently-mounted, sound-insulated, tinted windows, front window stores overhead, door with sliding window |
|---|---|
| Operator’s seat: | Shock-absorbing suspension, adjustable to operator’s weight, 4-way adjustable seat with mountable head rest and seat belt |
| Control system: | Integrated into the adjustable console panel in the operator’s seat |
| Monitoring: | Menu driven digital LCD display. Automatic monitoring, display, warning (acoustical and optical signal) and machine diagnostic data |
| Air-conditioning: | Standard 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: 102 dB(A) |
Swing Drive
| Drive by: | Liebherr swash plate motor |
|---|---|
| Transmission: | Liebherr compact planetary reduction gear |
| Swing ring: | Liebherr, sealed single race ball bearing swing ring, internal teeth |
| Swing speed: | 0 – 11 rpm stepless |
| Swing torque: | 71,1 kNm |
| Holding brake: | Wet multi-disc (spring applied, pressure released) |
| Option: | Pedal controlled positioning swing brake |
Hydraulic Controls
Joystick control, demand regulated by a hydraulic valve block
| Power distribution: | Via control valve with integrated safety valves |
|---|---|
| Servo circuit: | |
| Attachment and swing: | Proportional via joystick levers |
| Travel: |
Proportional via foot pedals or removable hand levers Speed pre-selection |
| Additional functions: | Via foot pedals or joystick toggle switch |
Attachment
| Type: | Combination of resistant steel plates and forged components |
|---|---|
| Hydraulic Cylinders: | Liebherr cylinders with special seal-system, shock absorbed |
| Pivots: | Sealed, low maintenance |
| Lubrication: | Easily accessible centralized lubrication points |
| Hydraulic Connections: | Pipes and hoses equipped with SAE split flange connections |
| Bucket: | Standard-equipped with 12 t safety hook for lifting and Liebherr tooth system |
Undercarriage
| LC: | Wide gauge (2380 mm) |
|---|---|
| Drive: | Liebherr swash plate motors with integrated brake valves on both sides |
| Transmission: | Liebherr planetary reduction gears |
| Travel speed: |
Low range - 3,7 km/h High range - 6,1 km/h |
| Net drawbar pull on crawler: | 190 kN |
| Track components: | B 60, maintenance-free |
| Track rollers/ Carrier rollers: | 8/2 |
| Tracks: | Sealed and greased |
| Track pads: | Triple-grouser |
| Digging locks: | Wet multi-discs (spring applied, pressure released) |
| Brake valves: | Integrated into travel motor |
| Lashing eyes: | Integrated |
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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