Technical Description |
R 996 |
Hydraulic Excavator |
` |
|
litronic |
Operating Weight with Backhoe Attachment 668 t/1,472,700 lb
Operating Weight with Shovel Attachment 677 t/1,492,500 lb
Engine Output 3000 HP (2240 kW)
Bucket Capacity 25,00 – 36,00 m3/32.7 – 47.1 cuyd
Shovel Capacity 25,00 – 36,00 m3/32.7 – 47.1 cuyd
Operating Temperature – 50 °C to + 40 °C/– 58 °F to + 104 °F
Technical Data
Engine
2 Cummins diesel engines Rating per
SAE J 1995 ________________ 3000 HP/2240 kW at 1800 RPM
Model ________________________ K 1800 E
Type __________________________ 16 cylinder V-engine,
water-cooled, direct injection, turbo-charged, after-cooler
Displacement ____________ 50,3 l/3069 cu.in Bore/Stroke________________ 159/159 mm/6.26/6.26 in
Air cleaner ______________________ dry-type air cleaner with pre-cleaner, with automatic dust ejector, primary and safety elements
Fuel tank ________________________ 13 000 l/3440 gal
Electrical system
Voltage ______________________ 24 V
Batteries ____________________ 8 (+ 4) x 170 Ah/12 V Alternator __________________ 4 x 24 V/150 Amp
Engine idling ____________________ sensor controlled
Option ____________________________ alternate diesel engines or electric motors on request
Hydraulic System
Hydraulic pumps
for attachment and
travel drive ________________ 8 variable flow axial piston pumps Max. flow __________________ 8 x 840 l/min./8 x 222 gpm
Max. hydr. pressure ____ 320 bar/4640 PSI Hydraulic pumps
for swing drive ____________ 4 reversible swash plate pumps, closedloop circuit
Max. flow __________________ 4 x 413 l/min./4 x 109 gpm Max. hydr. pressure ____ 350 bar/5076 PSI
Pump regulation ______________ electro-hydraulic, pressure compensation, flow compensation,
automatic oil flow optimizer Hydraulic tank capacity ____ 4600 l/1216 gal
Hydraulic system
capacity __________________________ 8200 l/2169 gal
Hydraulic oil filter ______________ filtration of entire return flow, 1 high pressure filter for each main pump
Hydraulic oil cooler __________ 2 separate coolers, 4 temperature controlled fans driven via hydraulic piston motors
Electronic engine
speed sensing __________________ over the entire engine RPM range Lubrication ______________________ central lubrication system
Hydraulic Controls
Servo circuit ____________________ independant, electric over hydraulic proportional controls of each function
Emergency control ______ via accumulator for all attachment functions with stopped engine
Power distribution ____________ via monoblock control valves with integrated primary relief valves and flanged on secondary valves for travel
Flow summation ________ to attachment and travel drive Control functions
Attachment and
swing ________________________ proportional via joystick levers
Travel ________________________ proportional via foot pedals or hand levers Bottom dump bucket __ proportional via foot pedals
Operation with one engine possible
Swing Drive
Hydraulic motor________________ 4 Liebherr axial piston motors Swing gear ______________________ 4 Liebherr planetary reduction gears
Swing ring ______________________ Liebherr, sealed triple roller swing ring, internal teeth
Swing speed ____________________ 0 – 3.5 RPM
Swing-Holding brake ________ hydraulically released, maintenance-free, multi-disc brakes integrated in each swing gear
Uppercarriage
Design ____________________________ torque resistant designed upper frame in box type construction for superior strength and durability
Attachment mounting________ parallel longitudinal main girders in boxsection construction
Catwalks ________________________ on the right side with a hydraulically driven access ladder, additional emergency ladder in front of the cab
Service Flap
Design ____________________________ hydraulically actuated service flap, easily accessible from ground level to allow:
–fuel fast refill
–hydraulic oil refill
–engine oil quick change
–splitterbox oil quick change
–swing gearbox oil quick change
–swing ring gearing grease barrel refilling via grease filter
–attachment/swing ring bearing grease barrel refilling via grease filter
–windshield washer water refilling
Quick coupler upon request
2 TD R 996 Arctic Litronic
Technical Data
Operator’s Cab |
Design ____________________________ resiliently mounted, sound insulated, large windows for all-around visibility, integrated falling object protection FOPS
Operator’s seat ________________ suspended, body-contoured with shock absorber, adjustable to operator’s weight
Cabin windows ________________ 20,5 mm/0.8 in tinted armored glass for front window and left hand side windows, all other windows in tinted safety glass, high pressure windshield-washer-system with 75 l/20 gal watertank,
sun louvers on all windows in heavy duty design
Heating system/
Air conditioning ________________ heavy duty, high output air conditioner and heater unit
Cabin pressurization ________ ventilation unit with filters
Controls __________________________ joystick levers integrated into armrest of seat
Monitoring ______________________ via LCD-Display, data memory Automatic engine
shut off ____________________________ in case of low engine oil pressure or low coolant level
Destroking of
main pumps ____________________ in case of engine overheating or low hydraulic oil level
Safety functions ______________ additional gauges with constant display for: engine speed, hourmeter, engine oil pressure, coolant temperature and hydraulic oil temperature
Central Lubrication System
Type ________________________________ Lincoln Centromatic lubrication system for the entire attachment and swing ring
Grease pumps ________________ 2 Lincoln Powermaster pumps with switch over function,
plus 1 separate pump for swing ring teeth Capacity __________________________ 1 x 600 l/158,5 gal bulk container for
attachment and swing ring, separated
1 x 80 l/21 gal grease drum for swing ring teeth
Attachment |
Design ____________________________ box type structure with large steel castings in all high-stress areas
Pivots ____________________________ sealed with double side centering with 1 single floating pin per side,
all bearings with wear resistant, steel bushings,
bolts hardened and chromium-plated Hydraulic cylinders __________ Liebherr design, all cylinders located in well
protected areas
Hydraulic connections ______ pipes and hoses equipped with SAE split flange connections
Kinematics ______________________ Liebherr parallel face shovel attachment geometry
Undercarriage
Design ____________________________ 3-piece undercarriage,
box type structures for center piece and side frames,
stress relieved
Hydraulic motor________________ 2 axial piston motors per side frame Travel gear ______________________ Liebherr reduction gear
Travel speed ____________________ 0 – 2,2 km/h/0 – 1.4 mph
Parking brake __________________ spring engaged, hydraulically released wet multi-disc brakes for each travel motor, maintenance-free
Track components ____________ maintenance-free combined pad-link, heavy duty track shoes
Track rollers/
Carrier rollers __________________ 7/3
Automatic track
tensioner ________________________ pressurized hydraulic cylinder with accumulator, maintenance free
Transport ________________________ undercarriage side frames are removable
TD R 996 Arctic Litronic 3
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