Hydraulic Excavator R 9350 Electric Operating Weight with Backhoe Attachment: 314,600 kg / 693,600 lb with Shovel Attachment: 322,500 kg / 712,000 lb Engine Output: 1200 kW / 1609 hp Bucket Capacity: 15,30 – 18,00 m 3 / 20.0 – 23.5 yd 3 Shovel Capacity: 15,30 – 18,00 m 3 / 20.0 – 23.5 yd 3
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dependent on country)Frequency (standard) __ 50 Hz ± 1 Hz (or 60 Hz – dependent on country)Nominal excavatorpower ________________________ 1250 kWAverage energyconsumption ______________ 1000 kWh at S1
(Other voltages available on request)Electric Motor Specifications
Manufacturingcompany____________________ ALSTOMModel ________________________ N3 RX 450Type __________________________ AC squirrel cage motorNumber of motor ________ 1Output of one motor____ 1200 kW at 1500 rpm (or 1800 rpm at 60 Hz)Power factor ______________ cos f = 0,88Protection class __________ IP 55 EN 60529Isolation class ____________ FMotor cooling ____________ integrated air-to-air heat exchangerMotor construction ____ IM 2001Starting method __________ starting transformer
Electrical Systemthe high and low tension cubicle are integrated with a robustsheet steel construction
High Voltage Section ________ • Protection class IP 55 EN 60529• Mechanical isolator switch on outside of
enclosure to disconnect high voltage formaintenance
• Electrically operated interlocks to dis -connect high voltage when enclosuredoors are opened
• Main circuit breaker for protection againstshort circuit, undervoltage and as emer-gency stop
• High voltage contactors for main motorcontrol
• High voltage current limiting fuses fortransformer pri mary protection
• Start transformer to reduce inrush current• One three phase transformer: 6000 V/
400 V for auxiliary components• One three phase transformer: 6000 V/
230 V for auxiliary components• Three current transformers to drive
conven tional motor protection relay• Thermostatically controlled fans and anti-
condensation heaters inside enclosureLow Voltage Section ________ • Protection class IP 55 EN 60529
• Three phase transformer secondary pro-tected with circuit breaker and protectedagainst earth leakage
• Ground fault protection with leakage cur-rent device
• Step down transformer 400 V/24 V ACnet stabilized for bordcontrol
• Step down transformer 400 V/24 V DC forthe control circuits
• Motor protection relay for:– motor winding and bearing temperature– overload– single phase– stalling– ground fault– short circuit– phase failure– phase main motor sequence protection
for all hydraulic pumps and three phaseauxiliary drive
• Power supply for continuous monitoringsystem
• Electrically operated interlocks to dis -connect high voltage when enclosuredoor are opened
• Thermostatically controlled fans and anti-condensation heaters inside enclosure
Hydraulic ControlsServo circuit ____________________ independant, electric over hydraulic pro-
portional controls of each functionEmergency control ______ via accumulator for all attachment func-
tions with stopped enginePower distribution ____________ via monoblock control valves with inte -
grated primary relief valves and flanged onsecondary valves
Flow summation ________ to attachment and travel driveControl functions
Attachment andswing ________________________ proportional via joystick leversTravel ________________________ proportional via foot pedals or hand leversBottom dump bucket __ proportional via foot pedals
Hydraulic tank capacity ______ 2200 l/581 galHydraulic system capacity __ 4200 l/1110 galHydraulic oil filter ______________ filtration of entire return flow, 1 high pres -
sure filter for each main pumpHydraulic oil cooler __________ with thermostatically regulated cooling fan
driven via hydraulic piston pumpsLubrication ______________________ central lubrication system
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UppercarriageDesign ____________________________ torque resistant designed upper frame in
box type construction for superior strengthand durability
Attachment mounting________ parallel longitudinal main girders in box-section construction
Catwalks ________________________ on the left side with a hydraulically drivenaccess ladder, additional emergency ladderin front of the cab
Technical Data
Service FlapDesign ____________________________ hydraulically actuated service flap, easily
accessible from ground level to allow:• hydraulic oil refill• splitterbox oil quick change• swing gearbox oil quick change• windshield washer water refilling• grease refill with filters for both containers• swing ring gearing grease barrel refilling
via grease filter• attachment/swing bearing grease barrel
refilling via grease filterQuick couplers on request
Operator’s CabDesign ____________________________ resiliently mounted, sound insulated, large
windows for all-around visibility, integratedfalling object protection FOPS
Operator’s seat ________________ suspended, body-contoured with shockabsorber, adjustable to operator’s weight
Cabin windows ________________ 20,5 mm/0.8 in tinted armored glass forfront window and left hand side windows,all other windows in tinted safety glass,high pressure windshieldwasher-systemwith 75 l/20 gal watertank,steel sun louvers on all windows
Heating system/Air conditioning ________________ 1 heating system + air conditioning (double
unit optionally available)Cabin pressurization ________ ventilation unit with filtersControls __________________________ joystick levers integrated into armrest of
seatMonitoring ______________________ via gauge and displayAutomatic engine shut off __ in case of winding and bearing overheatingSafety functions ______________ additional gauges with constant display for:
UndercarriageConstruction ____________________ the construction of the undercarriage is the
same as on the diesel versionHigh voltage supplycable ______________________________ the high voltage supply cable enters at the
rear of the undercarriage in a contact box,protection classification IP 67, a sealed slipring connection with 4 power rings andbrushholders, protection classificationIP 67, between under- and uppercarriagefeeds the high voltage section
Design ____________________________ 3-piece undercarriage,box type structures for center piece andside frames, stress relieved
Hydraulic motor________________ 2 axial piston motors per side frameTravel gear ______________________ Liebherr reduction gearTravel speed ____________________ 0 – 2,2 km/h / 0 – 1.4 mphParking brake __________________ spring engaged, hydraulically released wet
multi-disc brakes for each travel motor,maintenance-free
Track components ____________ D12, maintenance-free forged doubleground pad
mulatorTransport ________________________ undercarriage side frames are removable
AttachmentDesign ____________________________ box type structure with large steel castings
in all high-stress areasPivots ____________________________ sealed with double side centering with
1 single floating pin per side, all bearingswith wear resistant, steel bushings, boltshardened and chromium-plated
Hydraulic cylinders __________ Liebherr design, all cylinders located in wellprotected areas
Hydraulic connections ______ pipes and hoses equipped with SAE splitflange connections
Kinematics ______________________ Liebherr parallel face shovel attachmentgeometry
4 R 9350 Electric
Central Lubrication SystemType ________________________________ Lincoln Centromatic lubrication system for
the entire attachment and swing ringGrease pumps ________________ Lincoln Powermaster pumps with switch
over function, plus 1 separate pump forswing ring teeth
Capacity __________________________ 200 l/53 gal bulk container for attachmentand swing ring, separated 80 l/21 gal grease drum for swing ring teeth
High Voltage Cable (as option)Flexible medium-voltagecables ____________________________ are to be selected in accordance with the
application for trailing operation, particu -larly suitable for applications in which abrasion and extremely high mechanicalstresses are to be expected
Approvals/standards ________ • DIN VDE 0250, Part 813(VDE = Association of German ElectricalEngineers)
• MSHA P-189-4(= Mine Safety and Health Administration/Harrisburg, USA)
• WUG/GE-83/98(= Approval of the Polish Mining Inspec-torate, necessary for use of cables inPolish mines)
Cable capacity ________________ 300 m trailing cableCable sizes ______________________ dependent on voltage, current and cable
lengthCurrent-carrying capacity __ according to DIN VDE 0298, Part 4
Capacity SAE heaped m3/yd3 15,30/20 17,00/22.2 18,00/23.5Weight kg/lb 17000/37,480 17790/39,220 18155/40,020Suitable for material up to a specific weight of t/m3/lb/yd3 2,10/3,570 1,90/3,230 1,80/3,000Wear kit level II II II
1) Bucket with delta cutting edge and tooth system Posilok size S 95.Wear kit level II: For heavy rock, not deteriorated or cracked. Has to be shot to be dug.
Additional buckets on request.
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Shovel Attachmentwith Shovel Boom 6,75 m/22’2” and Stick 4,20 m/13’8”
Capacity SAE heaped m3/yd3 15,30/20 17,00/22.2 18,00/23.5Weight kg/lb 30000/66,140 31000/68,340 31500/69,450Suitable for material up to a specific weight of t/m3/lb/yd3 2,10/3,570 1,90/3,230 1,80/3,000Wear kit level II II II
1) Bottom dump bucket with delta cutting edge and tooth system Posilok size S 95.Wear kit level II: For heavy rock, not deteriorated or cracked. Has to be shot to be dug.