INTRODUCTION
General specification
CX490C Crawler excavators STD version (TIER 3) - Turkish market
APAC
Engine
Type
Water-cooled, 4-cycle diesel, 6-cylinder in line, High pressure
common rail system (electric control), Turbocharger with air
cooled intercooler, Without cooling fan
Model
ISUZU GH-6UZ1XKSS-01
270 kW
(
367.098 Hp
) (
2000 RPM
) (without fan-pump)
Rated flywheel horse power (ISO 14396)
245 kW
(
333.107 Hp
) (
2000 RPM
) (with fan-pump)
Piston displacement
9.839 L
(
2.5992 US gal
)
Maximum torque (ISO 14396)
1363 N·m
(
1005.30 lb ft
) (
1500 RPM
) (without fan-pump)
Bore and stroke
120 mm
(
4.724 in
) x
145 mm
(
5.709 in
)
Voltage
24 V
Alternator
50 A
Starter
24 V 5 kW
Hydraulic system
Main pumps
2 variable displacement axial piston pumps with regulating system
Max. oil flow
2 x
400 L/min
(
105.67 US gpm
) (
2000 RPM
)
31.4 MPa
(
4554.6 psi
)
Boom/Arm/Bucket
34.3 MPa
(
4975.22 psi
) with auto power up
Swing circuit
9.4 MPa
(
1363.470 psi
)
Working circuit pressure
Travel circuit
34.3 MPa
(
4975.2 psi
)
Pilot pump
1 gear pump
Max. oil flow
30 L/min
(
7.925 US gpm
)
Working circuit pressure
3.9 MPa
(
565.7 psi
)
Control valves
With Boom/Arm holding valve
One 4-spool valve for Right track travel, Bucket, Boom and Arm acceleration
One 5-spool valve for Left track travel, Auxiliary, Swing, Boom acceleration and Arm
Swing device
Motor
Fixed displacement axial piston motor
Brake
Mechanical disc brake
Final drive
Planetary gear reduction
Turn table bearing
Ball bearing type with internal gear
Maximum swing speed
9.0 RPM
Swing torque
150000 N·m
(
110634.32 lb ft
)
Cylinders
NO. of cylinders – bore X Rod diameter X Stroke
Boom
2 x Ø
170 mm
(
6.693 in
) - Ø
115 mm
(
4.528 in
) -
1550 mm
(
61.024 in
)
Arm
1 x Ø
200 mm
(
7.874 in
) - Ø
140 mm
(
5.512 in
) -
1820 mm
(
71.65 in
)
Bucket
1 x Ø
165 mm
(
6.496 in
) - Ø
115 mm
(
4.528 in
) -
1285 mm
(
50.591 in
)
Cooling system
Fan
Ø
1016 mm
(
40.000 in
) with 6-blades
Radiator capacity
140.3 kW
Fin type
Corrugated fin (wavy type)
Fin space
1.75 mm
(
0.0689 in
)
Long life coolant
Coolant
55%
, Water
45%
Oil cooler capacity
160.5 kW
Fin type
Corrugated fin (wavy type)
Fin space
1.75 mm
(
0.06890 in
)
Intercooler capacity
40.0 kW
Fin type
Straight fin
Fin space
2.0 mm
(
0.0787 in
)
Fuel cooler capacity
3.72 kW
48098399 20/01/2017
18
Summary of Contents for CX490C
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