Komatsu PC350-7, Brochure

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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
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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