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Excavators

D-Series Crawler Excavators

CX250D

  • Weight 25.4 t
  • Power 140 kW / 188 hp

CX250D

The perfect equipment for:
  • Urban
    Urban
  • Infrastructure
    Infrastructure
  • Recycling
    Recycling
  • Quarrying
    Quarrying
Downloadables:
Crawler Excavators - CX250D/ CX300D
Crawler Excavators - CX250D/ CX300D
File size 2.97 Mb
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Main Features

Standard Equipment

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ENGINE

  • Isuzu 4 cylinders (CX250D), 6 cylinders (CX300D) turbo-charged diesel
  • Tier 4 Final/EU stage IV Certified
  • Selective Catalytic Reduction (SCR)
  • Diesel Oxidation Catalyst (DOC)
  • Cooled Exhaust Gas Recirculation (CEGR)
  • VGT turbocharger
  • Electronic fuel injection
  • High pressure common rail system
  • Neutral safety start
  • Auto-engine warm up, emergency stop
  • Glow-plug pre-heat
  • Engine Protection Feature (EPF)
  • Dual-stage fuel filtration
  • Dual element air filter
  • Remote oil filter
  • Green plug oil drain
  • 500-hour engine oil change interval
  • 24-Volt system
  • Battery disconnect switch
  • High ambient temperature cooling package
  • External Fuel and AdBlue gauges
  • Fuel cooler
  • Fuel filter restriction indicator
  • Fuel shut-off valve
  • Idle start
  • Radiator, oil cooler, intercooler – protective Screen
  • Refueling Pump

FUEL ECONOMY SYSTEMS

Engine Idle/Fuel Economy System:

  • Auto-idle
  • One-touch idle
  • Auto-idle shut-down
  • Torque control
  • Boom Economy Control (BEC)
  • Swing Relief Control (SWC)
  • Spool Stroke Control (SSC)

HYDRAULICS

  • Electronically controlled hydraulic pumps
  • Auto power boost
  • Auto travel speed change
  • Selectable work modes
  • Overload warning device
  • ISO pattern controls
  • Pre-set auxiliary pump settings
  • Switch controlled auxiliary selection
  • Auxiliary valve
  • Hydraulic filter restriction indicator
  • Oil cooler
  • 5,000 hour hydraulic oil change interval
  • 2,000 hour hydraulic filter change interval

UPPERSTRUCTURE

  • ISO mirrors
  • Handrail – RH access
  • Isolation mounted cab (fluid and spring)
  • Lifting eyes for counterweight
  • Lockable fuel cap, service doors and toolbox
  • Rear and side view safety camera

OPERATOR STATION

  • ROPS protection
  • FOPS guard OPG level II
  • Pressurized cab
  • Tempered safety glass
  • One-touch lock front window
  • Sun visor&rain deflector
  • AC/heat/defrost w/auto climate control
  • Hot&coolbox, cup holder & ashtray
  • Interior dome light
  • Cloth covered air-suspension high-back seat
  • Sliding seat – 90 mm
  • Seat-belt
  • Adjustable armrests
  • Tilting consoles - 4-position
  • Low-effort joystick controls
  • Sliding cockpit 180 mm
  • Auxiliary select system
  • Aux-in port for personal electronics
  • Multifunction LED color monitor (180 mm)
  • 26 selectable languages for monitor
  • Anti-theft system (start code system)
  • Rubber floormat
  • 12-volt electric socket
  • 24-volt cigarette lighter
  • One-piece right hand window
  • Working lights (boom&upperstructure)
  • Cab top working lights
  • Windshield wiper / washer
  • Clear (Lexan) roof window w/sunshade
  • Storage compartments
  • On-board diagnostic system

ATTACHMENTS

  • Standard boom 5850 mm (CX250D) 10300 mm (CX250D LR)
  • Standard boom 6150 mm (CX300D)
  • CX250D: arm 3.0 m
  • CX250D LR: arm 8.0 m
  • CX300D: arm 3.2 m
  • Auxiliary pipe brackets
  • Centralized lube bank
  • Attachment cushion valve

UNDERCARRIAGE

  • 600 mm steel triple grouser shoes
  • Sealed link chain
  • Lashing points

Optional Equipment

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HYDRAULICS

  • Clamshell circuit
  • Low-flow circuit, proportional control
  • Single acting pedal activated hammer circuit
  • Single acting hammer circuit with electrical proportional control
  • Multifunction (hammer/high flow) circuit with electrical proportional control

ATTACHMENTS

  • CX250D: arm 2,5 m; 3,52 m
  • CX300D: 2,65 m; 3,7 m
  • Hydraulic quick coupler provision
  • Safety valves and bucket linkage with hook
  • Heavy Duty Bucket link without hook

OPERATOR STATION

  • Air suspension heated and tilt seat
  • Front cab guard - vertical bars (OPG level 2)
  • Front cab guard - vertical bars (OPG level 1)
  • Front mesh screen
  • Travel alarm
  • AM/FM CD/radio with antenna and 2-speakers
  • LED working lights
  • Side view camera with LED lights (right and left)
  • CMVM (Case Maxi View Monitor)

UNDERCARRIAGE

  • 700 mm steel triple grouser shoes
  • 800 mm steel triple grouser shoes (all models versions except CX250D LR)
  • 900 mm steel triple grouser shoes (only for CX300D LC and CX250D LR)
  • Track guide single

TELEMATICS AND OTHERS

  • Three years SiteWatch “Advanced” subscription with remote monitoring and one user’s licence
  • Pre cleaner /cyclone type (except for CX250D LR)
  • Engine oil and hydraulic oil sample port
  • Reversible Variable angle fan (only for CX250D LR)

Specifications

ENGINE
Model ISUZU AR-4JJ1X
Type Water-cooled, 4-cycle diesel, 4-cylinder in line, High pressure common rail system
(electric control), Turbocharger with air cooled intercooler, SCR system
Number of cylinders/ Displacement (l) 4 / 5,2
Emissions Tier 4 final / EU stage IV
Bore and stroke (mm) 115 x 125
Rated flywheel horse power
SAE J 1349, ISO 9249 132.1 kW / 177 hp at 2000 min-1
ISO 14396 140 kW / 188 hp at 2000 min-1
Maximum torque
SAE J 1349, ISO 9249 621 N-m at 1800 min-1
ISO 14396 642 N-m at 1800 min-1
HYDRAULIC SYSTEM
Main pumps 2 variable displacement axial piston pumps with regulating system
Max. oil flow 2 x 234 l/min at 2000 min-1
Working circuit pressure
Boom/Arm/Bucket 34.3 MPa - 37.3 MPa with auto power boost
Swing circuit 28.9 MPa
Travel circuit 34.3 MPa
Pilot pump 1 gear pump
Max. oil flow (l/min) 20
Working circuit pressure 3.9 MPa
Boom Cylinders
Bore 130 mm
Stroke 1335 mm
Arm Cylinders
Bore 145 mm
Stroke 1660 mm
Bucket Cylinder
Bore 130 mm
Stroke 1070 mm
SWING
Swing Motor Fixed displacement axial piston motor
Maximum swing speed 10.6 min-1
Swing torque 74,900 Nm
FILTERS
Suction filter 105 µm
Return filter 6 µm
Pilot line filter 8 µm
ELECTRICAL SYSTEM
Voltage 24 V
Alternator 50 Amp
Starter 24 V 5.0 kW
Battery 2X12V 128 Ah/5 HR
UNDERCARRIAGE
Travel motor Variable displacement axial piston motor
High travel speed (Automatic travel speed shifting) 5.5 km/h
Low travel speed  3.5 km/h
Drawbar pull 200 KN
Number of carrier rollers (each side) 2
Number of track rollers (each side) 9
Number of shoes (each side) 51
Type of shoes Triple grouser shoes
Grade ability 70 % (35°)
SOUND LEVEL
External guaranteed sound level (EU Directive 2000/14/EC) LwA 102 dB(A)
Operator cab sound pressure level (ISO 6396) LpA 70 dB(A)
CIRCUIT AND COMPONENT CAPACITIES
Fuel tank (l) 410
Hydraulic system (l) 250
Hydraulic tank (l) 147
Adblue tank (l) 120

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