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PC2000
H
Y D R A U L I C
-8
S
PECIFICATIONS
ENGINE
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . Komatsu SAA12V140E-3
Type . . . . . . . . . . . . . . . . . . . . 4-cycle, water-cooled, direct injection
Aspiration. . . . . . . . . . . . . . . . . . . . . . . . . Turbocharged, aftercooled
Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 mm 5.51"
Stroke. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165 mm 6.50"
Piston displacement . . . . . . . . . . . . . . . . . . . . . . . . 30.48 ltr 1860 in
Governor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . All-speed, electronic
Horsepower:
SAE J1995 . . . . . . . . . . . . . . . . . . . . . . . . Gross 728 kW 976 HP
ISO 9249 / SAE J1349* . . . . . . . . . . . . . . . . . Net 713 kW 956 HP
Rated rpm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1800 rpm
Fan drive type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydraulic
*Net horsepower at the maximum speed of radiator cooling fan is 679 kW 910HP.
EPA Tier 2 emission certified
HYDRAULIC SYSTEM
Type . . . . . . . . . . . . . . . . . . . . . . . Open-center load sensing system
Number of selectable working modes . . . . . . . . . . . . . . . . . . . . . . . 2
Main pump:
Type . . . . . . . . . . . . . . . . . . . Variable displacement piston pumps
Pumps for . . . . . . . . Boom, arm, bucket, swing and travel circuits
Maximum flow:
For attachment, swing and travel. . 2317 ltr/min 612.2 U.S. gpm
For fan drive . . . . . . . . . . . . . . . . . . . 324 ltr/min 85.6 U.S. gpm
Hydraulic motors:
Travel . . . . . . . . . . . . . . 2 x axial piston motors with parking brake
Swing . . . . . . . . . 2 x axial piston motors with swing holding brake
Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 x axial piston motors
Relief valve setting:
Attachment circuits
Backhoe . . . . . . . . . . . . . . . . . 29.4 MPa 300 kgf/cm
Loading shovel . . . . . . . . . . . . 29.4 MPa 300 kgf/cm
Travel circuit . . . . . . . . . . . . . . . 32.9 MPa 335 kgf/cm
Swing circuit . . . . . . . . . . . . . . . 29.4 MPa 300 kgf/cm
Pilot circuit . . . . . . . . . . . . . . . . . . 2.9 MPa
30 kgf/cm
Hydraulic cylinders:
Number of cylinders—bore x stroke
Backhoe
Boom. . . . . . . . . . . . . . . . 2 – 300 mm x 2647 mm 11.8" x 104.2"
Arm . . . . . . . . . . . . . . . . . 2 – 250 mm x 2138 mm
Bucket . . . . . . . . . . . . . . . 2 – 200 mm x 2170 mm
Loading shovel
Boom. . . . . . . . . . . . . . . . 2 – 280 mm x 1930 mm
Arm . . . . . . . . . . . . . . . . . 2 – 200 mm x 2170 mm
Bucket . . . . . . . . . . . . . . . 2 – 225 mm x 2050 mm
Bottom dump. . . . . . . . . . 2 – 180 mm x 600 mm
SWING SYSTEM
Swing gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 x Planetary gear
Swing circle lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Grease
Swing holding brakes . . . . . . . . . . . . . . . . . . Mechanical disk brakes
Swing speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.8 rpm
14
E
X C A V A T O R
DRIVE SYSTEM
Travel gear. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Planetary gear
Gradeability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65%
Maximum travel speed . . . . . . . . . . . . . . . . . . . . .2.7 km/h 1.7 mph
Parking brakes . . . . . . . . . . . . . . . . . . . . . . . Mechanical disk brakes
3
UNDERCARRIAGE
Track adjuster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Grease
No. of shoes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 each side
No. of carrier rollers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 each side
No. of track rollers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 each side
COOLANT AND LUBRICANT
CAPACITY
(REFILLING)
Fuel tank . . . . . . . . . . . . . . . . . . . . . . . . . . 3400 ltr
Radiator . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180 ltr
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 ltr
Travel gear, each side . . . . . . . . . . . . . . . . . . 85 ltr
Swing drives . . . . . . . . . . . . . . . . . . . . . . 30 x 2 ltr 7.9 x 2 U.S. gal
Hydraulic tank . . . . . . . . . . . . . . . . . . . . . . 1300 ltr
PTO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ltr
OPERATING WEIGHT
(APPROXIMATE)
BACKHOE
Operating weight, including 8700 mm 28'7" boom, 3900 mm 12'10"
arm, SAE heaped 12.0 m
3
15.7 yd
3
general purpose backhoe bucket,
operator, lubricant, coolant, full fuel tank, and the standard equipment.
PC2000-8
Shoes
Operating Weight
Double grouser
200000 kg
810 mm
440,920 lb
32"
2
4,270 psi
Triple grouser
204120 kg
2
4,270 psi
1010 mm
450,000 lb
2
4,760 psi
40"
2
4,270 psi
2
430 psi
LOADING SHOVEL
Operating weight, including 5950 mm 19'6" boom, 4450 mm 14'7"
arm, 11.0 m
3
14.4 yd
3
heaped bucket, operator, lubricants, coolant,
full fuel tank and standard equipment.
PC2000-8
9.8" x 84.2"
Shoes
Operating Weight
7.9" x 85.4"
Double grouser
195000 kg
810 mm
429,900 lb
32"
11.6" x 76.0"
7.9" x 85.4"
8.9" x 80.7"
7.1" x 23.1"
BACKHOE DIMENSIONS
898.3 U.S. gal
47.6 U.S. gal
31.7 U.S. gal
22.5 U.S. gal
343.5 U.S. gal
BACKHOE WORKING RANGE
7.9 U.S. gal
A
Ground Pressure
B
190 kPa
1.94 kgf/cm
2
27.6 psi
156 kPa
1.59 kgf/cm
2
22.6 psi
E
C
Ground Pressure
186 kPa
1.90 kg/cm
2
BACKHOE BUCKET
27.0 psi
BUCKET CAPACITY (HEAPED)
SAE, PCSA
m
3
yd
3
*12.0
15.7
12.0
15.7
*13.7
17.9
13.7
17.9
These charts are based on over-side stability with fully loaded bucket at maximum reach.
*: Wear-resistant bucket
HYDRAULIC EXCAVATOR
55'11"
17030
19'4"
5880
R=19'7"
R=5980
19'0"
5780
24'5"
7445
H
#
"
!
'
&
%
#
"
!
%
#
"
!
'
&
%
# " !
D
!
"
#
%
&
'
2440mm
&
G
F
WIDTH
Without Side
With Side
CECE
Shrouds
Shrouds
m
3
yd
3
mm
in
mm
in
11.0
14.4
2600
102"
2670
105"
11.0
14.4
2600
102"
2670
105"
12.0
15.7
2720
107"
2790
110"
12.0
15.7
2720
107"
2790
110"
PC2000
-8
Unit: mm ft in
24'7"
7490
310
12.2"
2"
810
15'1"
4600
17'9"
5410
18'6"
5650
20'6"
6240
Boom length
8.7 m 28'7"
Arm length
3.9 m 12'10"
A Max. digging height
13410 mm
44'0"
B Max. dumping height
8650 mm
28'5"
C Max. digging depth
9235 mm
30'4"
D Max. vertical wall
2710 mm
8'11"
digging depth
E Max. digging depth
9115 mm 29'11"
of cut for 8' level
F Max. digging reach
15780 mm
51'9"
G Max. digging reach
15305 mm
50'3"
at ground level
H Min. swing radius
7500 mm
24'7"
626 kN
Bucket digging force (SAE)
63800 kgf / 140,650 lb
574 kN
Arm crowd force (SAE)
58500 kgf / 128,970 lb
697 kN
Bucket digging force (ISO)
71100 kgf / 156,750 lb
586 kN
Arm crowd force (ISO)
59800 kgf / 131,840 lb
MAX MATERIAL
WEIGHT
DENSITY
RECOMMENDED
TOOTH
(with Side Shrouds)
(Loose)
USES
SYSTEM
kg
lb
t / m
3
lb / yd
3
12400
27,340
1.8 3000
Rock
XS145
9700
21,380
1.8 3000
General purpose
XS145
12500
27,560
1.5 2500
Rock
XS145
10500
23,150
1.5 2500
General purpose
XS145
15
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