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1-11
3. Walking mechanism
Independently driven by a hydraulic motor through a multi-stage planetary gearbox.
Walking speed (km/h)
Gradeability
High speed
4.2
58%(30°)
Low speed
2.3
4.
Hydraulic system
Load sensitive system
Maximum system flow: 61.6 L/min (at 2200 rpm)
System rated pressure: 24 MPa
Rotary pressure: 17.5 MPa
Auxiliary 1/Auxiliary 2 pressure: 21 MPa
Pilot pressure: 3.5 MPa
Oil return 10 μm filter element
Oil suction filter: metal filter element
5. Electrical system
Voltage: 12V
Battery: 45AH
6. Service environment
Ambient temperature: -15
~
40
℃
Ambient humidity: <85
%
Altitude: ≤1500 m
Ambient temperature at transportation and storage: -15
~
40
℃
Summary of Contents for U27
Page 1: ...U27Hydraulic Excavator Instruction Manual Guangxi Yuchai Heavy Industry Co Ltd...
Page 5: ...1 1 Preface...
Page 17: ...2 1 Safety regulations...
Page 44: ...3 1 Parts introduction...
Page 49: ...3 6 Panel meter Oil level pointer Timing display Water temperature pointer Indicator area...
Page 55: ...4 1 Operation guide...
Page 89: ...5 1 Maintenance...
Page 130: ...6 1 Accessories guide...