Model
PC400-8
PC400LC-8
D
Overall width
3430 mm
11'3"
3440 mm
11'3"
E
Overall height (to top of cab)*
3285 mm
10'9"
3285 mm
10'9"
F
Ground clearance, counterweight
1320 mm
4'4"
1320 mm
4'4"
G
Ground clearance (minimum)
555 mm
1'10"
550 mm
1'10"
H
Tail swing radius
3645 mm
12'0"
3645 mm
12'0"
I
Track length on ground
4020 mm
13'2"
4350 mm
14'3"
J
Track length
5055 mm
16'7"
5385 mm
17'8"
K
Track gauge
2740 mm
9'0"
2740 mm
9'0"
L
Width of crawler
3340 mm
11'0"
3440 mm
11'3"
M
Shoe width
600 mm
24"
700 mm
28"
N
Grouser height
37 mm
1.5"
37 mm
1.5"
O
Machine cab height
2920 mm
9'7"
2920 mm
9'7"
P
Machine cab width**
3090 mm
10'2"
3090 mm
10'2"
Q
Distance, swing center to rear end
3605 mm
11'10"
3605 mm
11'10"
10
11
S
PECIFICATIONS
ENGINE
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Komatsu SAA6D125E-5
Type . . . . . . . . . . . . . . . . . . . . Water-cooled, 4-cycle, direct injection
Aspiration . . . . . . . . . . . . . . Turbocharged, aftercooled, cooled EGR
Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
125 mm
4.92"
Stroke. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
150 mm
5.91"
Piston displacement. . . . . . . . . . . . . . . . . . . . . . . . .
11.04 ltr
674 in
3
Horsepower:
SAE J1995 . . . . . . . . . . . . . . . . . . . . . . . . Gross
270 kW
362 HP
ISO 9249 / SAE J1349 . . . . . . . . . . . . . . . . . Net
257 kW
345 HP
Rated rpm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1900 rpm
Fan drive type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mechanical
Governor . . . . . . . . . . . . . . . . . . . . . . . . All-speed control, electronic
Meets EPA Tier 3 and EU Stage 3A emission regulations.
HYDRAULICS
Type . . HydrauMind (Hydraulic Mechanical Intelligence New Design)
system, closed-center system with load sensing valves and
pressure compensated valves
Number of selectable working modes . . . . . . . . . . . . . . . . . . . . . . . 4
Main pump:
Type . . . . . . . . . . . . . . . . . . . . . Variable displacement piston type
Pumps for . . . . . . . . Boom, arm, bucket, swing, and travel circuits
Maximum flow . . . . . . . . . . . . . . . . .
690 ltr/min
182 U.S. gal/min
Supply for control circuit . . . . . . . . . . . . . . . . . Self-reducing valve
Hydraulic motors:
Travel . . . . . . . . . . . . . . 2 x axial piston motors with parking brake
Swing . . . . . . . . . . 1 x axial piston motor with swing holding brake
Relief valve setting:
Implement circuits . . . . . . . . . . . .
37.3 MPa
380 kgf/cm
2
5,400 psi
Travel circuit . . . . . . . . . . . . . . . .
37.3 MPa
380 kgf/cm
2
5,400 psi
Swing circuit . . . . . . . . . . . . . . . .
27.9 MPa
285 kgf/cm
2
4,050 psi
Pilot circuit . . . . . . . . . . . . . . . . . . . . .
3.2 MPa
33 kgf/cm
2
470 psi
Hydraulic cylinders:
(Number of cylinders – bore x stroke x rod diameter)
Boom . . . . .
2 – 160 mm x 1570 mm x 110 mm
6.3" x 61.8" x 4.3"
Arm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . except
2.4 m
7'10" arm
1 – 185 mm x 1820 mm x 120 mm
7.3" x 71.7" x 4.7"
Arm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . for
2.4 m
7'10" arm
1 – 185 mm x 1590 mm x 120 mm
7.3" x 62.6" x 4.7"
Bucket. . . . . .
1 – 160 mm x 1270 mm x 110 mm
6.3" x 50" x 4.3"
DRIVES AND BRAKES
Steering control . . . . . . . . . . . . . . . . . . . . . . . Two levers with pedals
Drive method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydrostatic
Maximum drawbar pull. . . . . . . . . . . . . .
330 kN
33700 kgf 74,300 lb
Gradeability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70%, 35°
Maximum travel speed: High . . . . . . . . . . . . . . . . .
5.5 km/h
3.4 mph
(Auto-Shift)
Mid. . . . . . . . . . . . . . . . . .
4.0 km/h
2.5 mph
(Auto-Shift)
Low . . . . . . . . . . . . . . . . .
3.0 km/h
1.9 mph
Service brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydraulic lock
Parking brake . . . . . . . . . . . . . . . . . . . . . . . . . Mechanical disc brake
SWING SYSTEM
Drive method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydrostatic
Swing reduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Planetary gear
Swing circle lubrication . . . . . . . . . . . . . . . . . . . . . . . Grease-bathed
Service brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydraulic lock
Holding brake/Swing lock . . . . . . . . . . . . . . . . Mechanical disc brake
Swing speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.1 rpm
UNDERCARRIAGE
Center frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . X-frame
Track frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Box-section
Seal of track . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Sealed track
Track adjuster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydraulic
Number of shoes (each side):
PC400-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
PC400LC-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Number of carrier rollers . . . . . . . . . . . . . . . . . . . . . . . . . 2 each side
Number of track rollers (each side):
PC400-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
PC400LC-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
COOLANT AND LUBRICANT
CAPACITY
(REFILLING)
Fuel tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
650 ltr
172 U.S. gal
Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
36.0 ltr
9.5 U.S. gal
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
37.0 ltr
9.8 U.S. gal
Final drive, each side . . . . . . . . . . . . . . . . . . . . .
10.5 ltr
2.8 U.S. gal
Swing drive . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20.0 ltr
5.3 U.S. gal
Hydraulic tank . . . . . . . . . . . . . . . . . . . . . . . . . .
248 ltr
65.5 U.S. gal
OPERATING WEIGHT
(APPROXIMATE)
Operating weight including
7060 mm
23'2" one-piece boom,
3380 mm
11'1" arm, SAE heaped
1.9 m
3
2.49 yd
3
bucket, rated
capacity of lubricants, coolant, full fuel tank, operator, and standard
equipment.
PC400-8
PC400LC-8
Operating
Ground
Operating
Ground
Shoes
Weight
Pressure
Weight
Pressure
600 mm
41740 kg
77.5 kPa
42290 kg
73.3 kPa
0.79 kgf/cm
2
0.75 kgf/cm
2
23.6"
92,020 lb
11.3 psi
93,230 lb
10.6 psi
700 mm
42160 kg
67.3 kPa
42740 kg
63.5 kPa
0.69 kgf/cm
2
0.65 kgf/cm
2
27.6"
92,950 lb
9.76 psi
94,220 lb
9.24 psi
800 mm
42590 kg
59.5 kPa
43200 kg
56.2 kPa
0.61 kgf/cm
2
0.57 kgf/cm
2
31.5"
93,890 lb
8.63 psi
95,240 lb
8.15 psi
A
O
C*
N
F
I
J
H,G
B
D,L
K
M
G
E*
P
0
1
2
3
4
5
6
7
8
9
10
11
12
13
(m)
(m)
12
11
10
9
8
7
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
H
A
C
B
D
E
G.L
G
F
2440 8’
Bucket Capacity
Number
(heaped)
Width
Weight
Arm Length
SAE, PCSA
CECE
Without Side Cutters
With Side Cutters
With Side Cutters
of Teeth
2.4 m
7'10"
2.9 m
9'6"
3.38 m
11'1"
4.0 m
13'1"
1.3 m
3
1.70 yd
3
1.2 m
3
1.57 yd
3
1120 mm
44.1"
1270 mm
50.0"
1115 kg
2,460 lb
4
1.6 m
3
2.09 yd
3
1.4 m
3
1.83 yd
3
1270 mm
50.0"
1420 mm
55.9"
1197 kg
2,640 lb
4
1.9 m
3
2.49 yd
3
1.7 m
3
2.22 yd
3
1475 mm
58.1"
1625 mm
64.0"
1358 kg
2,990 lb
5
□
**1.9 m
3
2.49 yd
3
1.7 m
3
2.22 yd
3
—
1625 mm
64.0"
1966 kg
4,330 lb
5
X
2.06 m
3
2.69 yd
3
1.8 m
3
2.35 yd
3
1565 mm
61.6"
1715 mm
67.5"
1391 kg
3,070 lb
5
□
□
□
**2.1 m
3
2.75 yd
3
1.9 m
3
2.49 yd
3
—
1745 mm
68.7"
2035 kg
4,490 lb
5
X
2.2 m
3
2.88 yd
3
2.0 m
3
2.62 yd
3
1715 mm
67.5"
—
*1396 kg
3,080 lb
5
X
Arm Length
2400 mm
7'10"
2900 mm
9'6"
3380 mm
11'1"
4000 mm
13'1"
A
Max. digging height
10310 mm
33'10"
10285 mm
33'9"
10915 mm
35'10"
11025 mm
36'2"
B
Max. dumping height
7070 mm
23'2"
7080 mm
23'3"
7565 mm
24'10"
7715 mm
25'4"
C
Max. digging depth
6845 mm
22'6"
7345 mm
24'1"
7820 mm
25'8"
8445 mm
27'8"
D
Max. vertical wall
digging depth
5305 mm
17'5"
5700 mm
18'8"
6870 mm
22'6"
7285 mm
23'11"
E
Max. digging depth
of cut for 8' level
6650 mm
21'10"
7155 mm
23'6"
7680 mm
25'2"
8315 mm
27'3"
F
Max. digging reach
11080 mm
36'4"
11445 mm
37'7"
12025 mm
39'5"
12565 mm
41'3"
G
Max. digging reach
at ground level
10855 mm
35'7"
11230 mm
36'10"
11820 mm
38'9"
12365 mm
40'7"
H
Min. swing radius
4835 mm
15'10"
4810 mm
15'9"
4735 mm
15'6"
4800 mm
15'9"
Bucket digging force
241 kN
240 kN
239 kN
239 kN
at power max.
24600 kgf/54,230 lb
24500 kgf/54,010 lb
24400 kgf/53,790 lb
24400 kgf/53,790 lb
Arm crowd force
241 kN
245 kN
205 kN
184 kN
at power max.
24600 kgf/54,230 lb
25000 kgf/55,120 lb
20900 kgf/46,080 lb
18800 kgf/41,450 lb
Bucket digging force
277 kN
276 kN
275 kN
270 kN
at power max.
28200 kgf/62,170 lb
28100 kgf/61,950 lb
28000 kgf/61,730 lb
27500 kgf/60,630 lb
Arm crowd force
254 kN
257 kN
214 kN
190 kN
at power max.
25900 kgf/57,100 lb
26200 kgf/57,760 lb
21800 kgf/48,060 lb
19400 kgf/42,770 lb
Arm Length
2400 mm
7'10"
2900 mm
9'6"
3380 mm
11'1"
4000 mm
13'1"
A
Overall length
11905 mm
39'1"
11995 mm
39'4"
11940 mm
39'2"
11950 mm
39'2"
B
Length on ground (transport): PC400-8
8230 mm
27'0"
7290 mm
23'11"
6540 mm
21'5"
6145 mm
20'2"
PC400LC-8
8410 mm
27'7"
7475 mm
24'6"
6705 mm
22'0"
6330 mm
20'9"
C
Overall height (to top of boom)*
3850 mm
12'8"
3745 mm
12'3"
3635 mm
11'11"
3885 mm
12'9"
WORKING RANGE
DIMENSIONS
: General purpose use, density up to
1.8 ton/m
3
1.52 U.S. ton/yd
3
X
: Not usable
□
: General purpose use, density up to
1.5 ton/m
3
1.26 U.S. ton/yd
3
*
: Without side cutters
: Light duty work, density up to
1.2 ton/m
3
1.01 U.S. ton/yd
3
**
: Quarry bucket (with side shroud)
BACKHOE BUCKET, ARM, AND BOOM COMBINATION
ISO rating SAE rating
HYDRAULIC EXCAVATOR
PC400
-8
0
H
Y D R A U L I C
E
X C A V A T O R
PC400
-8
*
: Including grouser height
**
: Including handrail
