Arm length
3185 mm
10'5"
PC350-7
PC350LC-7
A
Overall length
11140 mm
36'7"
11140 mm
36'7"
B
Length on ground
5755 mm
18'11"
5930 mm
19'5"
C
Overall height (to top of boom)
3280 mm
10'9"
3280 mm
10'9"
D
Overall width
3190 mm
10'6"
3190 mm
10'6"
E
Overall height (to top of cab)
3130 mm
10'3"
3130 mm
10'3"
F
Ground clearance, counterweight
1185 mm
3'11"
1185 mm
3'11"
G
Ground clearance (minimum)
500 mm
1'8"
500 mm
1'8"
H
Tail swing radius
3450 mm
11'4"
3450 mm
11'4"
I
Track length on ground
3700 mm
12'2"
4030 mm
13'3"
J
Track length
4625 mm
15'2"
4955 mm
16'3"
K
Track gauge
2590 mm
8'6"
2590 mm
8'6"
L
Width of crawler
3190 mm
10'6"
3190 mm
10'6"
M
Shoe width
600 mm
23.6"
600 mm
23.6''
N
Grouser height
36 mm
1.4"
36 mm
1.4''
O
Machine cab height
2580 mm
8'6"
2580 mm
8'6"
P
Machine cab width
3145 mm
10'4"
3145 mm
10'4"
Q
Distance, swing center to rear end
3405 mm
11'2"
3405 mm
11'2"
11
WORKING RANGE
DIMENSIONS
BACKHOE BUCKET, ARM, AND BOOM COMBINATION
Arm length
3185 mm
10'5"
A
Max. digging height
10210 mm
33'6"
B
Max. dumping height
7110 mm
23' 4"
C
Max. digging depth
7380 mm
24' 3"
D
Max. vertical wall digging depth
6480 mm
21'3"
E
Max. digging depth of cut for 8' level
7180 mm
23'7"
F
Max. digging reach
11100 mm
36'5"
G
Max. digging reach at ground level
10920 mm
35'10"
H
Min. swing radius
4310 mm
14'2"
SAE
Bucket digging force at power max.
200 kN/
20400 kgf
/44,970 lb
rating
Arm crowd force at power max
165 kN/
16800 kgf
/37,040 lb
ISO
Bucket digging force at power max.
228 kN/
23200 kgf
/51,150 lb
rating
Arm crowd force at power max.
171 kN/
17400 kgf
/38,360 lb
General purpose use, material density up to
1.8 ton/m
3
1.52 U.S. ton/yd
3
* Quarry bucket
Bucket Capacity
Width
Weight
Number
Arm Length
(heaped)
of
3.185 m
SAE, PCSA
CECE
With Side Shrouds
Without Side Shrouds
With Side Shrouds
Teeth
10'5"
*
1.40 m
3
1.83 yd
3
1.20 m
3
1.57 yd
3
1458 mm
57.4"
—
1508 kg
3,320 lb
5
N
O
F
C
H,Q
A
I
J
B
G.L.
H
B
A
C E
D
F
G
2440
0
-1
-2
-3
-4
-5
-7
-8
-6
0
1
2
3
4
5
6
7
8
9
10
5
6
7
8
9
11
10
11
12
(m)
1
2
3
4
(m)
OPTIONAL EQUIPMENT
• Air conditioner with defroster
• Alternator,
60 ampere
, 24 v
• Arm,
3185 mm
10'5" arm assembly,
heavy-duty
• Batteries,
140 Ah
/2 x 12 V
• Bolt-on top guard (Operator Protective
Guards level 2 (FOG))
• Boom,
6470 mm
21'3", heavy-duty
• Cab accessories
—Rain visor
—Sun visor
• Cab front guard
—Full height guard
—Half height guard
• Cab with 2-piece pull up front window
• Heater with defroster
• Rearview mirror (LH)
• Seat belt, retractable
• Seat, suspension
• Service valve
• Ripper:
—Ripper bucket
—Single-shank ripper
—Three-shank ripper
• Track frame undercover
• Travel alarm
• Working lights, 2 on cab
ENGINE
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Komatsu SAA6D114E
Type . . . . . . . . . . . . . . . . . . . . Water-cooled, 4-cycle, direct injection
Aspiration. . . . . . . . . . . . . . . . . . . . . . . . . Turbocharged, aftercooled
Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
114 mm
4.49"
Stroke. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
135 mm
5.31"
Piston displacement . . . . . . . . . . . . . . . . . . . . . . . . . .
8.27 ltr
505 in
3
Flywheel horsepower:
SAE J1349 . . . . . . . . . . . . . . . . . . .
180 kW
242 HP @ 1900 rpm
DIN6270 . . . . . . . . . . . . . . . . . . . . .
180 kW
245 PS @ 1900 rpm
Governor . . . . . . . . . . . . . . . . . . . . . . . All-speed control, mechanical
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 . . . . . . . . . . . . . . . . .
535 ltr/min
141 U.S. gal/min
Supply for control circuit . . . . . . . . . . . . . . . . . Self-reducing valve
Hydraulic motors:
Travel . . . . . . . . . . . . . . . 2 x axial piston motor 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 – 140 mm x 1480 mm x 100 mm
5.5" x 58.3" x 3.9"
Arm . . . . . .
1 – 160 mm x 1825 mm x 110 mm
6.3" x 71.9" x 4.3"
Bucket:. . . .
1 – 140 mm x 1285 mm x 100 mm
5.5" x 50.6" x 3.9"
OPERATING WEIGHT
(APPROXIMATE)
Operating weight including
6470 mm
21'3" one-piece boom,
3185 mm
10'5" arm, SAE heaped
1.4 m
3
1.83 yd
3
bucket, rated
capacity of lubricants, coolant, full fuel tank, operator, and standard
equipment.
10
DRIVES AND BRAKES
Steering control . . . . . . . . . . . . . . . . . . . . . . . Two levers with pedals
Drive method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydrostatic
Maximum drawbar pull . . . . . . . . . . . . . 264 kN
26900 kgf
59,300 lb
Gradeability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70%, 35°
Maximum travel speed (Auto-Shift): . . . . . . . . . . . . . . . . . . . . . . . . .
High . . . . . . . . . . . . . . . . .
5.5 km/h
3.4 mph
Mid. . . . . . . . . . . . . . . . . .
4.5 km/h
2.8 mph
Low . . . . . . . . . . . . . . . . .
3.2 km/h
2.0 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.5 rpm
UNDERCARRIAGE
Center frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . X-frame
Track frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Box-section
Seal of track . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Sealed track
Track adjuster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydraulic
Number of shoes (each side):
PC350-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
PC350LC-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Number of carrier rollers . . . . . . . . . . . . . . . . . . . . . . . . . 2 each side
Number of track rollers (each side):
PC350-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
PC350LC-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
COOLANT AND LUBRICANT
CAPACITY
(REFILLING)
Fuel tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
605 ltr
160 U.S. gal
Coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32.0 ltr
8.5 U.S. gal
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
35.0 ltr
9.2 U.S. gal
Final drive, each side . . . . . . . . . . . . . . . . . . . . . .
8.5 ltr
2.2 U.S. gal
Swing drive . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13.4 ltr
3.5 U.S. gal
Hydraulic tank . . . . . . . . . . . . . . . . . . . . . . . . . .
188 ltr
49.7 U.S. gal
PC350-7
PC350LC-7
Operating
Ground
Operating
Ground
Shoes
Weight
Pressure
Weight
Pressure
600 mm
32300 kg
65.7 kPa
33400 kg
62.8 kPa
0.67 kgf/cm
2
0.64 kgf/cm
2
23.6"
71,210 lb
9.52 psi
73,630 lb
9.10 psi
STANDARD EQUIPMENT
•
Alternator,
35 Ampere
, 24V
• Auto-Decel
• Automatic engine warm-up system
•
Batteries,
126 Ah
/2 x 12V
• Boom holding valve
• Cab capable FOG with optional bolt-on
top guard
• Corrosion resistor
• Counterweight
•
Dry type air cleaner, double element
• Electric horn
•
Engine, Komatsu SAA6D114E
• Engine overheat prevention system
•
Fan guard structure
•
Hydraulic track adjusters (each side)
•
Long lubricating interval bushings for
work equipment
• Monitor panel, color multi-function
• Power maximizing system
•
PPC hydraulic control system
• Radiator & oil cooler dust proof net
• Rear view mirror, R.H.
•
Starting motor,
7.5 kW/24 v x 1
• Suction fan
•
Track guiding guard, full guard
• Track roller
—PC350-7, 7 each side
—PC350LC-7, 8 each side
• Track shoe
—PC350-7,
600 mm
23.6" triple grouser
—PC350LC-7,
600 mm
23.6" triple grouser
• Two settings for boom
•
Working light, 2 (boom and RH)
• Working mode selection system
M
D,L
K
G
E
P
S
PECIFICATIONS
H
Y D R A U L I C
E
X C A V A T O R
HYDRAULIC EXCAVATOR
PC350-7
PC350-7
0
