南特 NT45 全液压履带式挖掘机参数配置

ENGINE

Model

XINCHAI   A495BG / YANMER 4TNV88

Cylinders

4

Bore/Stroke

95×105mm

Displacement

2.977L

Fuel injection

direct

Fuel injection pump

Mechanical

Fuel 

Diesel

Fuel filter

Full flow

Cooling

water-cooling

Horswpower(net)

30kw @2200rpm

Maximum torque(net)

165N.m @1650rpm

BOOM/ARM

Boom

Swing

75° left / 45°  right

Length

2745mm

Boom weight

180kg

Arm

Length

1600mm

Arm weight

80kg

UNDERCARRIAGE

Number of rollers

Top,each track

1

Bottom,each track

4

Gradability

58%(30°)

HYDRAULICS

Pumps(3)

2×Variable displacement piston pump+gear pump

Capacity- Maximum

2×45L/min+36L/min

System relief pressure-

Standard

24.5MPa+20.6MPa

Pilot control hydraulic system-

Pumps(1)

Gear pump

Maximum capacity

10.7L/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 

Pump #3 for house swing and dozer function and boom swing

Pump #4 for pilot valve

Swing-

Motor(1)

Fixed displacement axial piston design

Speed

0-12.5rpm

Brake

Spring applied,hydraulically released with dual cushion relief

Tail swing radius

1630mm

Travel-

Motor(2)

Two-speed axial piston design

Final drive

Planetary gear reduction

Travel speeds-

Forward/Reverse

Low

2.5km/h

High

4.5km/h

HYDRAULIC CYLINDERS

Boom cylinder(1)

Bore diameter

90mm

Rod diameter

45mm

Stroke

535mm

Arm cylinder(1)

Bore diameter

90mm

Rod diameter

45mm

Stroke

600mm

Bucket cylinder(1)

Bore diameter

80mm

Rod diameter

45mm

Stroke

600mm

ELECTRICAL

Voltage

12 volts

Alternator

40 amp

Batteries(1) 12V

Heavy-duty

SERVICE CAPACITIES

Hydraulic tank

Refill capacity

80L

Total system

100L

Engine

w/filter change

6.5L

Fuel

70L

Radiator

6L

OPERATING WEIGHT

With 75kg operator

4000kg

Ground pressure

33KPa