Excavator QFY-4

Excavator QFY-4
Excavator QFY-4
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Excavator QFY-4

Excavator adopts streamline design, with novel and pretty outline.It has large capacity air-condition in the cab and comfortable operatingenvironment- low noise, low vibration. It also has reliable electronicmonitoring instrument.

World-class Main Parts
1. Using high-quality imported CUMMINS Engine: water-cool, in line and direct injection,4-cylinder and four-stroke cycle diesel engine. It has the features of goodpower, high reliability, high efficiency, low fuel consumption, low noise, lowvibration and low emission. The engine meets the second phase off-road vehicleemission standards of Europe, the United States and Japan. Itis a high efficient and environmental protection engine.
2. Excavator uses high-efficiency and energy-saving Japanese hydraulic pump:swash plate variable-displacement axial plunger pump, Japanese main controlvalve: ten-unit integral superimposed multi-way valve and pilot control valve.It can achieve the constant power regulation of hydraulic system, the confluenceof boom and bucket rod, beeline walk, hydraulic pilot control and otherfunctions. It can make full use of engine power to improve work efficiency andreduce operating strength of the drivers.
3. Adopting Japanese rotary motor reducer: It integrates hydraulic motor, reducer,arrester, cushion valve, anti-reversal valve as one. So the machine works in asteady, safe and reliable way.
4. Adopting Japanese walking motor reducer: It integrates hydraulic motor, reducer,arrester, cushion valve and straight walking valve as one. So it has theproperties of compact structure, advanced performance, reliable quality and two-gearstep-less speed drive function. It is suitable to walk on the rugged and unevenroad.
5. Adopting high-quality hydraulic hose: convenient and reliable connection.
6. Excavator uses reliable
Germany electricalinstrument, simple interface digital display monitor and electronic throttle,which is reliable in quality and ingenious in disposal. So the driver canrapidly find and clear the trouble.

Overall Data
Operating weight : 7500kg
Bucket Capacity :0.32m3
Bucket digging force :56kN
Arm digging force : 27kN
Gradeability : 35°
Engine :CUMMINS
Rated Power :60Kw(80hp)@2200pm
Maximum torque : 292Nm
Displacement :3.3L
Hydraulic System
Type : Single pump system
Rated flow : 1700L/min
Operating pressure : 27.4Mpa
Service Refill Capacities
Fuel Tank : 135L
Hydraulic Tank : 60L
Speed
High : 4.2km/h
Low : 3.0kw/h

Working Ranges

Maximum digging radius

6375mm

Maximum digging reach at ground level

6225mm

Maximum digging depth

4150mm

Maximum digging depth for flat bottom(2.5m level surface)

3785mm

Maximum vertical wall digging depth

3230mm

Maximum dumping clearance

5080mm

Maximum digging height

7150mm

Minimum swing radius

1815mm

 

 

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