4.5
Technical and Performance Data
Notice!
This machine is a backhoe hydraulic crawler excavator with full swing and single
bucket. It is widely used in urban and rural construction like municipal construction,
irrigation and water conservancy as well as earth-working construction.
Engine
Engine
Hydraulic System Data
Hydraulic
system
Performance Parameter
Performance
parameter
09.2020
Model
Rated power
Maximum torque
Output volume
Fuel tank
Main pump
Rated flow (main pump flow)
Working pressure
Hydraulic oil tank
Rotating speed
Bucket digging force
Arm digging force
Maximum traction force
Traveling speed
Gradeability
Ground pressure
D902
11.8/2300
51.3/1800
0.778
17
Variable displacement piston
pump
64.4
24
18
9
16
10
15.6
3.1/2.1
58
28.5
--
kW/rpm
N.m/rpm
L
L
--
L/min
MPa
L
r/min
kN
kN
kN
km/h
%
kPa
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