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WS80 7.2 Ton Mini Hydraulic Crawler Excavator
WS80 | ||||
ENGINE | ||||
Model | YUCHAI YC4108G | |||
Cylinders | 4 | |||
Bore/Stroke | 108×115mm | |||
Displacement | 4.214L | |||
Fuel injection | Direct | |||
Fuel injection pump | Mechanical | |||
Fuel | Diesel | |||
Fuel filter | Full flow | |||
Cooling | Water-cooling | |||
Horswpower(net) | 56kw ,2200rpm | |||
Maximum torque(net) | 265N·m ,1500rpm | |||
BOOM/ARM | ||||
Boom | ||||
Swing | ||||
Length | 3620mm | |||
Boom weight | 400kg | |||
Arm | ||||
Length | 1760mm | |||
Arm weight | 125kg | |||
UNDERCARRIAGE | ||||
Number of rollers | ||||
Top,each track | 1 | |||
Bottom,each track | 6 | |||
Gradability | 58%(30°) | |||
HYDRAULICS | ||||
Pumps(3) | 2×Variable displacement piston pump+gear pump | |||
Capacity- Maximum | 2×79L/min+53.6L/min | |||
System relief pressure- | ||||
Standard | 24.5MPa+24.5MPa | |||
Pilot control hydraulic system- | ||||
Pumps(1) | Gear pump | |||
Maximum capacity | 19L/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 and dozer function | ||||
Pump #3 for house swing | ||||
Pump #4 for pilot valve | ||||
Swing- | ||||
Motor(1) | Fixed displacement axial piston design | |||
Speed | 0-11rpm | |||
Brake | Spring applied,hydraulically released with dual cushion relief | |||
Tail swing radius | 2030mm | |||
Travel- | ||||
Motor(2) | Two-speed axial piston design | |||
Final drive | Planetary gear reduction | |||
Travel speeds- | Forward/Reverse | |||
Low | 3.8km/h | |||
High | 5.5km/h | |||
HYDRAULIC CYLINDERS | ||||
Boom cylinder(1) | ||||
Bore diameter | 110mm | |||
Rod diameter | 70mm | |||
Stroke | 880mm | |||
Arm cylinder(1) | ||||
Bore diameter | 100mm | |||
Rod diameter | 65mm | |||
Stroke | 860mm | |||
Bucket cylinder(1) | ||||
Bore diameter | 90mm | |||
Rod diameter | 60mm | |||
Stroke | 700mm | |||
ELECTRICAL | ||||
Voltage | 24 volts | |||
Alternator | 40 amp | |||
Batteries(2) 12V | Heavy-duty | |||
SERVICE CAPACITIES | ||||
Hydraulic tank | ||||
Refill capacity | 100L | |||
Total system | 160L | |||
Engine | ||||
w/filter change | 15L | |||
Fuel | 120L | |||
Radiator | 10L? | |||
OPERATING WEIGHT | ||||
With 75kg operator | 7200kg | |||
Ground pressure | 36KPa |
DIMENSIONS | |
A. Overall height | 2600mm |
B. Overall length | 6300mm |
C. Track overall width | 2150mm |
D. Track shoe width | 450mm |
E. Upperstructure ground clearance | 800mm |
F. Minimum ground clearance | 380mm |
G. Center to center(idler to sprocket) | 2370mm |
H. Track overall length | 2970mm |
J. desktop width | 2190mm |
K. excavator width | 2290mm |
M. Tail swing radius | 2030mm |
Working weight | 7200kg |
Ground pressure | 36KPa |
PERFORMANCE SPECS | ||
A. Maximum dig radius | 6330mm | |
B. Dig radius at groundline | 6200mm | |
C. Maximum dig depth | 4000mm | |
D. Dump height | 4350mm | |
E. Overall reach height | 6230mm | |
F. Bucket rotation | 171° | |
G. Vertical straight wall dig depth | 2940mm | |
K. minium rotating radius | 2200mm | |
Arm digging force | 35KN | |
Bucket digging force | 50KN | |
BUCKET | ||
Width | Capacity | Weight |
680mm | 0.32 m3 | 210kg |
WS80 7.2 Ton Mini Hydraulic Crawler Excavator