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Tunneling Excavator R 950

Motor:150 kW / 204 HP190 kW / 258 HP (option)

Stage IV

Operating Weight:43,200 – 45,300 kg

Tunnel Height:5.00 – 8.00 m

Product Information

R 950 Litronic Tunnel2

R 950 LitronicMotor:

150 kW / 204 HP190 kW / 258 HP (option)Stage IV

Operating Weight:43,200 – 45,300 kg

Tunnel Height:5.00 – 8.00 m

Performance Significant productivity thanks to special hydraulic system and high forces attachment.

R 950 Litronic Tunnel 3

Efficiency Fast machine set-up with economical usage thanks to its reliability and controlled consumption.

Reliability

Extremely robust machine owing to 100% Liebherr design and manufacturing, dedicated for the application.

Comfort

Tunnel cab is characterised by its ergonomic and comfortable design.

Maintainability

Easy accesibility to different control and servicing elements.

R 950 Litronic Tunnel4

The R 950 tunnel excavator

Tunneling specificities

• Special short tail uppercarriage • Travel alarm• Working headlights with protections• Increased power and special hydraulic

system for optimal use of cutting heads

Undercarriage

• Dozer blade with cylinder protection• 4 deflector blades• Travel drive protection• 4 track guides at each track frame


Operator’s cab

• Comfortable and ergonomic cab• Synthetic leather seat with headrest

for easy cleaning• Integral protection of ROPS, FOPS

and FGPS• Electronic components with protection• Safety guaranteed with rear and lateral

surveillance cameras

Equipment

• Special tunnel boom with 2 x 45° tilting bear• Sealed stick with high breakout force • Optimal position and protection

of hoses and pipes• Special position of cylinders to be

better protected• Liebherr quick coupler for a easy

tool changing

6 R 950 Litronic Tunnel

Technical Data

Hydraulic SystemHydraulic system Positive Control. Dual circuit hydraulic system for

independent and need-based quantity allotment via the hydraulic pumps; sensor-guided. Features high system dynamics and sensibility provided by inte-grated system controlling

Hydraulic pumpfor attachment and travel drive

Liebherr, variable displacement, swashplate double pump

Max. flow 2 x 238 l/min.Cutting head application 2 x 238 l/min. + 1 x 60 l/min.

Max. pressure 350 barPump management electronic pump management via the integrated

system controlling (CAN-BUS) synchronous to the control block. Open circuit for the rotation

Hydraulic tank 290 lHydraulic system 520 lHydraulic oil filter full flow filter in return line (10 µm)Cooling system compact cooler, consisting of a water cooler, sand-

wiched with hydraulic oil cooler, gearbox 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

RPM adjustment stepless adjustment of engine output via RPM at each selected mode

Tool Control 10 preadjustable pump flows and pressures for add-on tools

EngineRating per ISO 9249 150 kW (204 HP) at 1,800 RPM

Cutting head application 190 kW (258 HP) at 1,800 RPMModel Liebherr D944 A7Type 4 cylinder in-line

Bore/Stroke 130/150 mmDisplacement 8 l

Engine operation 4-stroke diesel Common-Rail system injection

Exhaust gas treatment SCR with urea injection emission standard stage IV / Tier 4f

Option Liebherr particle filterCooling system water-cooled and integrated motor oil cooler, after-

cooled and fuel cooledAir cleaner dry-type air cleaner with pre-cleaner, primary and

safety elementsFuel tank 425 lElectrical system

Voltage 24 VBatteries 2 x 180 Ah/12VStarter 24 V/7,8 kWAlternator three phase current 28 V/140 AEngine idling sensor controlled

Motor management connection to the integrated excavator system con-trolling via CAN-BUS to the economical utilisation of the service that is available

Hydraulic ControlsPower distribution via control valve with integrated safety valvesServo circuit

Attachment and swing proportional via joystick leversTravel – proportional via foot pedals or removable hand levers

– speed pre-selectionAdditional functions proportional regulation via foot pedals or rocker

PI_R950Tunnel_Tier4f_T_enGB_15-04.indd 6 15.04.15 14:36


Operator’s CabCab according to guidelines for tunnel application FOPS,

ROPS, FGPS plus Polycarbonate windows on attach-ment side and rear

Operator’s seat seat with synthetic leather seat cover, airsprung with automatic weight adjustment, vertical and horizontal seat damping including consoles and joysticks. Seat and armrests adjustable separately and in combination

Control system arm consoles, swinging with the seatOperation and displays large high resolution colour display with selfexplana-

tory operation via touchscreen, video, versatile adjust-ing, control and monitoring facilities, e.g. implement and tool parameters

Niveau sonore2000/14/EC LWA (surround noise) = 105 dB(A)

UndercarriageNLC gauge 2,390 mmDrive Liebherr swashplate motorTransmission Liebherr planetary reduction gearsTravel speed low range – 2.7 km/h

high range – 4.5 km/hNet drawbar pull on crawler 280 kNTrack components D 7 G, maintenance-freeTrack rollers/Carrier rollers 9/2Tracks sealed and greasedTrack pads double or triple grouserHolding brake wet multi-discs (spring applied, pressure released)Brake valves integrated into travel motorLashing eyes integrated

AttachmentType combination of resistant steel plates and cast steels

componentsHydraulic cylinders Liebherr cylinders with special seal-system, shock

absorbedBearings sealed, low maintenanceLubrication fully automatic Liebherr central lubrication system

(except bucket tilt linkage)Hydraulic connections pipes and hoses equipped with SAE splitflange

connectionsBasic boom 3.50 m with 2 x 45° tilting bearStick 4.50 m with integrated bucket tilt cylinderBucket HD ripper bucket with cutting width 900 mm

Swing DriveDrive Liebherr swash plate motor, shockless and antireactionTransmission Liebherr compact planetary reduction gearSwing ring Liebherr, sealed single race ball bearing swing ring,

internal teethSwing speed 0 – 12.5 RPM steplessSwing torque 85 kNmHolding brake wet multi-disc (spring applied, pressure released)



Dimensions

950950

W

LU

VX G

BS

N

QP

C

A

K

H

DEF

R0275

950950

LU

U1

F1

J I

B2GB

R0276

mmA 3,050C 3,390D 1,975E 1,975F 1,810F1 1,160H 2,785I 725J 930K 1,235L 4,108P 1,125Q 565S 2,390U 5,100U1 5,750N 500 600B 3,000 3,000B2 3,000 3,000G 2,975 2,975

Boom 3.50 m with 2 x 45° tilting bear and stick 4.50 m mmV 9,900W 3,900X 10,300



Tunneling Excavatorwith Boom 3.50 m, 2 x 45° Tilting Bear and Stick 4.50 m

950

12

0

5

10

15

20

25

30

35

0

1

2

3

4

5

6

7

8

9

10

11

mft

012345 m

051015 ft

950

R0274

4 2 06810

3035 2025 1015

m

05 ft

2

4

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-4

6

8

10

12

00

10

15

-10

-15

-5

5

20

25

30

35

mft

4550

V

59506100

10430

3730

H

Digging EnvelopeBasic boom bolted in position II of upper carriage

Tunnel height H m

Advance V m

5.00 1.405.50 1.906.10 2.856.50 2.807.00 2.607.50 2.458.00 2.30

Digging Forceswithout quick couplerDigging force ISO kN 207

t 21,1Breakout force ISO kN 322

t 32,8

Operating Weight and Ground PressureThe operating weight includes the basic machine with boom 3.50 m, 2 x 45° tilting bear, stick 4.50 m, quick coupler SW66 and bucket 0.18 m3 (750 kg).

Undercarriage without blade with bladePad width mm 500 600 500 600Weight kg 43,200 43,800 44,700 45,300Ground pressure kg/cm2 0.97 0.82 1.00 0.85



Undercarriage4 deflectors4 track guide at each track frameAccessory for emergency towingChain kit, reinforced (D 7 G)Idler protectionLashing eyeletsLifetime-lubricated track rollersSprocket with dirt ejectorTracks sealed and greasedTravel gear protectionTwo-stage travel motors

Operator’s CabCab for tunneling applicationEmergency exit rear windowFire extinguisherHeadlights (front, rear)Polycarbonate window at attachment side and rear windowSafety cab structure according to guidelines FOPS, ROPS, FGPSSeat with synthetic leather seat cover with adjustable head restraints

AttachmentHigh pressure circuit for additional toolsHoist cylinder control stopLifting hook on boom to lift the complete excavatorProtection for hoist cylinderReGeneration plusStick, sealed versionWorking lights on boom and stick

UppercarriageAlternator 140 AAutomatic swing brakeBack-up alarmCamera for side area monitoringElectrical device shut offEngine hood with lift help and mechanical lockingFire extinguisherHandrails, non slip surfacesHeadlights on uppercarriage and counterweight (halogene) with protectionLiebherr full-automatic central lubrication system (except connecting link for bucket kinematics)Maintenance-free HD-batteriesRear view monitoring cameraSound insulationTool kit

Hydraulic SystemHydraulic tank shut-off valve and pumpsStepless work mode selector

EngineAfter-cooledAir pre-filter with dust trapCommon-Rail system injectionConform with stage IV / Tier 4f emission standardFuel filter and water separatorSCR exhaust gas after-treatment systemSensor controlled automatic engine idlingTurbo charger

Standard Equipment



UndercarriageDozer blade 3,000 mm with cylinder protection

Operator’s CabAdditional headlights (front, rear) LEDClosed cab (additional door and window) with windshield wiper and air conditionning

AttachmentHeadlights on boom and stick LEDHydraulic or mechanical quick couplerLiebherr bucketsMiddle pressure circuit for tool rotationQuick couplers for tools

UppercarriageCustomized colorsCutting head application with additional pump and increased power (190 kW)Diesel refuelling pump (electrical)Headlights on uppercarriage and counterweight (LED) with protectionReversible fan

Hydraulic SystemBiodegradable hydraulic oilBypass filter for continuous hydraulic filtrationFilter for high pressure circuit

EngineAutomatic engine shut-down on idle (adjustable)Liebherr particle filter

Options

Options and/or special attachments, supplied by vendors other than Liebherr, are only to be installed with the knowledge and approval of Liebherr in order to retain warranty.


Wide Product RangeThe Liebherr Group is one of the largest construction equipment manufacturers in the world. Liebherr’s high-value products and services enjoy a high reputation in many other fields. The wide range includes domestic appliances, aerospace and trans-portation systems, machine tools and maritime cranes.

Exceptional Customer BenefitEvery product line provides a complete range of models in many different versions. With both their technical excellence and acknowledged quality, Liebherr products offer a maximum of customer benefits in practical application.

State-of-the-art TechnologyTo provide consistent, top quality products, Liebherr attaches great importance to each product area, its components and core technologies. Important modules and components are developed and manufactured in-house, for instance the entire drive and control technology for construction equipment.

Worldwide and IndependentHans Liebherr founded the Liebherr family company in 1949. Since that time, the enterprise has steadily grown to a group of more than 130 companies with over 41,000 employees located on all continents. The corporate headquarters of the Group is Liebherr-International AG in Bulle, Switzerland. The Liebherr family is the sole owner of the company.

www.liebherr.com

The Liebherr Group of Companies

Liebherr-France SAS 2 avenue Joseph Rey, B.P. 90287, FR-68005 Colmar Cedex S +33 389 21 30 30, Fax +33 389 21 37 93 www.liebherr.com, E-Mail: [email protected] www.facebook.com/LiebherrConstruction

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motor - psndealer.com · type combination of resistant steel plates and cast ......

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