HYDRAULIC SYSTEM

Model

Negative flow + cross power control system

Main pump

-

Model

Piston pump

Max.flow

170L/MIN

Hydraulic motor

-

Propel hydraulic motor

Two axial-piston motors

Swing hydraulic motor

Axial-piston motors

Safety valve

28MPa

Boom, arm and bucket circuit

23.5Mpa

Propel circuit

23.5MPa

Swing circuit

18.6MPa

Control circuit

4.9MPa

Cylinders

-

No.of Cylinders-bore×stroke×diameter of piston-rod

-

Boom

105mm × 695mm ×65mm

Arm

95mm × 785mm × 55mm

Bucket

85mm × 610mm × 50mm

SWING SYSTEM

Drive Type

Hydraulic driven swing

Reduction unit

Double row planetary gearbox

Swing lubrication

Grease bath

Swing brake

Multi-plate wet brake

Swing speed

10rpm

DRIVE SYSTEM ＆ BRAKES

Steering control

Pedal (with levers)

Drive type

Hydraulic drive

Drive motor

Axial-piston motor

Max. pulling force

42kN

Max. travel speed(double modes)

4.7/2.8km/h double modes

Operate brake

Hydraulic lock

Parking brake

Multi-plate wet brake

TRAVEL SYSTEM

Center frame

x-section

Crawler frame

Box-section

Crawler tensioning

Grease tensioning

Crawler shoes

2 × 49 pcs

Upper roller

2 × 2 pcs

Lower roller

2 × 9 pcs

LIQUID COOLANT ＆ LUBRICANT

Fuel tank

110L

Cooling system

8L

Engine oil

8L

Track drive

-

Swing drive

-

Hydraulic oil tank

130L