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SPECIFICATION
|
Unit
|
CM778A/H
|
Operating Weight
|
kg
|
8200
|
Bucket Capacity
|
m³
|
1.0
|
Breakout Force
|
kn
|
38
|
Loading Lifting Capacity
|
kg
|
2500
|
Transportation L×W×H
|
mm
|
5920×2250×3770
|
Min. Ground Clearance
|
mm
|
300
|
Digging Depth
|
mm
|
52
|
Backhoe Capacity
|
m³
|
0.3
|
Swing Angle of Excavator Grab
|
°
|
190
|
Max. Pulling Force
|
kn
|
39
|
ENGINE
|
||
Model
|
|
YC4A105Z-T20
|
Type
|
|
In line/direct injection/four-stroke/injection combustion chamber
|
Cylinder Number
|
|
4
|
Inside Diameter×Stroke
|
|
102×120
|
Rated Power
|
kw
|
75
|
Rated Speed
|
r/min
|
2200
|
Min. Fuel Consumption
|
g/km.h
|
≤242
|
Max. Torque
|
n.m
|
≥410
|
Displacement
|
l
|
4.4
|
STEERING
|
||
Model
|
|
BZZ5-250
|
Steering Angel
|
°
|
±36
|
Min. Turning Radius
|
mm
|
6581
|
System Pressure
|
mpa
|
12
|
HYDRAULIC
|
|
|
Excavator Grab Digging Power
|
kn
|
46.5
|
Dipper Digging Power
|
kn
|
31
|
Bucket Lifting Time
|
s
|
6.8
|
Bucket Lowering Time
|
s
|
3.1
|
Bucket Discharge Time
|
s
|
2.0
|
AXLES
|
||
Brand
|
|
Famous Chinese brand
|
Main Transmission Type
|
|
Double reduction
|
Final Reducer
|
|
Single stage final reducer
|
Rated load
|
t
|
8/18.5
|
TRANSMISSION
|
||
Type
|
|
Single stage,three elements
|
Model
|
|
YJ280
|
Max Efficiency
|
%
|
84.4
|
Inlet Pressure
|
mpa
|
0.5
|
Outlet Pressure
|
mpa
|
1.1-1.3
|
Cooling
|
|
Oil cooling pressure circulation
|
Gear Box Type
|
|
Fixed Shaft Power Transmission
|
Oil Pressure of Clutch
|
kpa
|
1373-1569
|
Gears
|
|
2 speeds forward/reverse
|
Max. Speed
|
km/h
|
28
|
TYRE
|
||
Model
|
|
14-17.5/19.5L-24
|
Pressure of Front Wheel
|
mpa
|
0.55
|
Pressure of Back Wheel
|
mpa
|
0.223
|
BRAKE
|
|
|
Service Brake
|
|
Air oil caliper brake
|
|
External Type
|
|
|
Self-regulation
|
|
|
Self-balance
|
|
Emergency Brake
|
|
Operation Power Implementing brake
|
|
Manual Operation Power Terminating Brake
|