南特 NT80 全液压履带式挖掘机参数配置

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