Bell Excavators HX270E

Bell Excavators HX270E
Specifications :
Engine

Rating per ISO 9249:	130 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 238 l/min
Max. pressure:	365 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: 103 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:	79 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:	217 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:	Lifetime-lubricated track rollers Tracks sealed and greased Track guide at each track frame Sprocket with dirt ejector Lashing eyes Two-stage travel motors Reinforced cover plate Reinforced floor plate
Uppercarriage:	Handrails, non slip surfaces Engine hood with lift help Sound insulation Maintenance-free swing brake lock Maintenance-free HD-batteries Lockable tool box Tool kit
Hydraulics:	Hydraulic tank shut-off valve and pumps Pressure test ports for hydraulic Pressure storage for controlled lowering of equipment with engine turned off Electronic pump regulation Filter with integrated fine filter area (5 μm) Stepless work mode selector Positive Control Classic Regeneration Plus function on hydraulic circuit Hydraulic control logic
Engine:	Turbo charger Conform with level IIIA / Tier 3 emission standard After-cooled Unit pump system injection Sensor controlled engine idling Dry-type air cleaner w/pre-cleaner, main and safety element
Operator’s Cab:	Storage bin Mechanical hour meters, readable from outside the cab Sunroof, right window and windshield with safety glass Removable customized foot mat Closed storage space Dome light Coat hook Air conditioner Multifunction display Emergency exit rear window MP3-Radio Right window made of one piece (without post) Rain hood over front window opening All tinted windows Door with sliding window Seat belt and mountable head rest Sun roller blind Load bearing sectional profile structure, covered with deepdrawn panels Wiper/washer Cigarette lighter and ashtray Two flood lights under rain hood
Attachment:	12 t lifting hook with safety link on quick coupler Easily accessible centralized lubrication points Additional work light on boom (right) Cylinders with shock absorbers

Dimensions/ Line Drawings

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