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Excavators - Hitachi Excavators - Excavator Guide - Excavator Hitachi ZAXIS EX 1900

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Hitachi EX 1900 hydraulic Excavator

EX1900


Specifications

Engine Gross Power 810 kW (1 086 hp)
Operating Weight Loading Shovel : 191 000 kgBackhoe : 192 000 kg
Backhoe excavator bucket PCSA Heaped : 4.4 - 12.0 m3CECE Heaped : 3.8 - 10.6 m3
Loading Shovel Bucket PCSA Heaped : 11.0 - 15.0 m3


Powerful Single Engine-Ready for the task.
Time-proven Cummins diesel engine produces a total of 810 kW (1 086 HP) for handling the big excavation jobs.
810 kW (1 086 HP)
Emission Control Engine-Helping to protect our environment.
Conforms to U.S. EPA Tier II emission regulations.
Efficient E-P Control-Adjusts power output to the work being performed.
Hitachi's computer-aided Engine-Pump Control (E-P Control) coaxes optimum efficiency from the engine and hydraulic pumps. This innovative system senses load demand and controls engine and pump output for maximum operating efficiency.
Larger Bucket Provides High Work Capacity.
Backhoe bucket : 12.0 m3
Loading shovel bucket : 11.0 m3
Maximum Excavating Force.
Backhoe : Arm crowd force (ISO) : 620 kN (63 200 kgf)
(SAE : PCSA) : 609 kN (62 100 kgf)
Bucket digging force (ISO) : 671 kN (68 400 kgf)
(SAE : PCSA) : 617 kN (62 900 kgf)
Loading shovel : Arm crowding force : 710 kN (72 400 kgf)
Breakout force : 660 kN (67 300 kgf)
Large Bucket-Designed to enhance efficiency.
The large bucket has been shaped specifi cally to enhance scooping and loading operations. Its sharp tilt angle helps boost operating efficiency.
Productivity-Boosting Auto-Leveling Mechanism-One-lever leveling control.
This is another unique Hitachi function developed exclusively for more efficient leveling operations.




Excavator equipment

Standard equipment may vary by country, so please consult your Hitachi dealer for details.

Excavator engine

- 140 A alternator
- Heavy-duty type air cleaner with dust ejector
- Cartridge-type engine oil filter
- Cartridge-type engine oil bypass filter
- Cartridge-type fuel filter
- Water filter
- Fan guard
- Isolation-mounted engine
- PRELUB system
- Auto-idle system
- Emergency engine stop system

 HYDRAULIC SYSTEM

- E-P control system
- OHS (Optimum Hydraulic System)
- FPS (Fuel-saving Pump System)
- Hydraulic drive cooling-fan system
- Forced-lubrication and forced cooling pump drive system
- Control valve with main relief valve
- Suction filter
- Full-flow filter
- Bypass filter
- Pilot filter
- Drain filter
- High-pressure strainer

Excavator cabs

The sturdy cab, with the top guard conforming to OPG Level ll (ISO), helps protect the operator from falling objects. Fulid-filled elastic mounts. Laminated glass windshield. Reinforced/tinted (bronze color) glass side and rear windows. Parallel-link-type intermittent windshield wiper. Front windshield washer. Adjustable reclining seat with air suspension. Footrest. Air horn with electric compressor. Auto-tuning AM-FM radio with digital clock. Seat belt. Storage spaces. Floor mat. Air conditioner with defroster. Rearview mirror. Evacuation hammer. Emergency escape device. Trainer's seat. Pilot control shut-off lever.

MONITOR SYSTEMS
- Meters:
Hourmeter. Fuel gauge. Hydraulic oil temperature gauge. Engine coolant temperature gauge. Tachometer. Engine oil pressure gauge. Engine oil temperature gauge. Battery voltage gauge. Ambient temperature.
- Pilot lamps (Green):
Prelub. Auto-Idle. Travel Mode.
- Warning lamps (Red):
Allternator. Engine stop. Coolant overheat. Hydraulic oil level. Auto-Lubrication. Fast-filling. Tension. Electric lever. Emergency engine stop. Top valve. Engine over run. Coolant level. Engine oil pressure. Pump transmission oil level indicator.
- Warning lamp (Yellow):
Exhaust temperature. Fuel temperature. Engine warning. Hydraulic oil overheat. Stairway position. Electrical equipment box. Pump contamination. Air cleaner restriction.
- Alarm buzzers:
Overheat. Engine coolant pressure. Engine coolant level. Fuel temperature. Engine oil pressure. Engine oil temperature. Air intake manifold temperature. Crank case pressure. Pump transmission oil level. Hydraulic oil level. Stop valve close. Fast-fill system panel position (option) Ladder position. Electric lever fault.

LIGHTS
- 6 working lights. 2 entrance light.
3 maintenance lights. 2 cab lights.

UPPER STRUCTURE

- Lockable machine covers
- 25 300 kg counterweight
- Hydraulic drive grease gun with hose reel
- Retractable ladder with spring-type balancer
- Swing parking brake

Excavator undercarriage

- Travel parking brake
- Travel motion alarm device
- Hydraulic track adjuster with N2 gas accumulator and relief valve
- 800 mm (31") triple grouser shoes

 MISCELLANEOUS

- Standard tool kit
- Stairs and handrails (Meeting ISO)
- Recirculation air filter for air conditioner
- Ventilation air filter for air conditioner
- 12 V power terminal board
- Stop valve for transport and reassembly
- Auto-lubrication system (Lincoln) for front-attachment pins, swing bearing, and center joint

 

 

 
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