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Company address:
No. 365 Luoyu Road, Wuchang, Wuhan, 430079, P.R. of China.

tel: 027-87494757
fax: 027-87494757
cell phone: 13377864566
email: sinotractor@263.net
            sinotractor@163.com

         

 

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mini excavator Hytec28U
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Hytec28U

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mini excavator Details

 
Model
YANMER 3TNV88
Cylinders
3
Bore/Stroke
88×90mm
Displacement
1.642L
Fuel injection
Direct
Fuel injection pump
Mechanical
Fuel 
Diesel
Fuel filter
Full flow
Cooling
Water-cooling
Horswpower(net)
19.2kw @2200rpm
Maximum torque(net)
100~109N·m @1320rpm
BOOM/ARM
Boom
Swing
70° left/60° right
Length
2280mm
Boom weight
116kg
Arm
Length
1170mm
Arm weight
63.5kg
UNDERCARRIAGE
Number of rollers
Top,each track
1
Bottom,each track
4
Gradability
58%(30°)
HYDRAULICS
Pumps(3)
2×Variable displacement piston pump+gear pump
Capacity- Maximum
2×32L/min+26L/min
System relief pressure-
Standard
21MPa+19.5MPa
Pilot control hydraulic system-
Pumps(1)
Gear pump
Maximum capacity
10L/min
Relief pressure
3.5MPa
Control valves-
8 function multiple control valve
Pump #1 for right travel and boom function and bucket function
Pump #2 for left travel and arm function 
Pump #3 for house swing and dozer function and boom swing
Pump #4 for pilot valve
Swing-
Motor(1)
Fixed displacement axial piston design
Speed
0-10rpm
Brake
Spring applied,hydraulically released with dual cushion relief
Tail swing radius
790mm
Travel-
Motor(2)
Two-speed axial piston design
Final drive
Planetary gear reduction
Travel speeds-
Forward/Reverse
Low
2km/h
High
4km/h
HYDRAULIC CYLINDERS
Boom cylinder(1)
Bore diameter
80mm
Rod diameter
45mm
Stroke
583mm
Arm cylinder(1)
Bore diameter
70mm
Rod diameter
40mm
Stroke
515mm
Bucket cylinder(1)
Bore diameter
63mm
Rod diameter
40mm
Stroke
432mm
ELECTRICAL
Voltage
12 volts
Alternator
40 amp
Batteries(1) 12V
Heavy-duty
SERVICE CAPACITIES
Hydraulic tank
Refill capacity
35L
Total system
45L
Engine
w/filter change
5L
Fuel
25L
Radiator
4L
OPERATING WEIGHT
With 75kg operator
3200kg
Ground pressure
29KPa

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