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KOMATSU - CRAWLER EXCAVATORS



KOMATSU PC350LC-8 - TECHNICAL DATA

Manufacturer: KOMATSU

Type: crawler hydraulic excavator

Model: PC350LC-8

OPERATING SPECIFICATIONS:
Operating weight: 33 660 kg (74,210 lb) - 34 040 kg (75,040 lb)
Bucket capacity SAE, PCSA: 1.40 m3 1.83 yd3 (quarry bucket)
Maximum digging depth: 7 380 mm (24'3")
Maximum travel speed: 5.5 km/h (3.4 mph)
Standard shoe (width): 600 mm (24")


ENGINE:
Model: Komatsu SAA6D114E-3
Type: 4 cycle, water-cooled, direct-injection, diesel
Aspiration: turbocharged, aftercooled
Power:
Gross power SAE J1995: 194 kW (260 HP) at 1950 rpm
Net power ISO 9249: 184 kW (246 HP) at 1950 rpm
Net power SAE J1349: 184 kW (246 HP) at 1950 rpm
Number of cylinders: 6
Bore: 114 mm (4.49")
Stroke: 135 mm (5.31")
Displacement: 8.27 ltr (505 in3)
Governor: all-speed control, electronic
Engine emissions: EPA Tier 3 and EU Stage 3A emissions certified


ELECTRICAL SYSTEM:
Starting motor: 1 x 7.5 kW / 24 V
Alternator: 60 A, 24 V
Batteries: 2 x 126Ah / 12V


HYDRAULIC SYSTEM:
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: Two-variable displacement piston pump
Pumps for: boom, arm, bucket, swing, and travel circuits
Maximum flow: 535 ltr/min (141 gpm/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/cm2 5,400 psi
Travel circuit: 37.3 MPa 380 kgf/cm2 5,400 psi
Swing circuit: 27.9 MPa 285 kgf/cm2 4,050 psi
Pilot circuit: 30 kg/cm2 430 psi
Service valve: 3.2 MPa 33 kgf/cm2 470 psi

Hydraulic cylinders:

Boom:
Number of cylinders: 2
Bore: 140 mm (5.5")
Stroke: 1 480 mm (58.3")
Rod diameter: 100 mm (3.9")

Arm:
Number of cylinders: 1
Bore: 160 mm (6.3")
Stroke: 1 825 mm (71.9")
Rod diameter: 110 mm (4.3")

Bucket:
Number of cylinders: 1
Bore: 140 mm (5.5")
Stroke: 1 285 mm (50.6")
Rod diameter: 100 mm (3.9")


OPERATING WEIGHT:
Operating weight including 6470 mm 21'3" one-piece boom, 3185 mm 10'5" arm, SAE heaped 1.4 m3 1.83 yd3 bucket, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment.

Shoes: 600 mm (24")
Operating weight: 33 660 kg (74,210 lb)
Ground pressure: 62.9 kPa - 0.64 kgf/cm2 - 9.12 psi

Shoes: 700 mm (28")
Operating weight: 34 040 kg (75,040 lb)
Ground pressure: 54.5 kPa - 0.56 kgf/cm2 - 7.90 psi


SERVICE REFILL CAPACITIES:
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: 9.0 ltr (2.4 U.S. gal)
Swing drive: 16.5 ltr (4.4 U.S. gal)
Hydraulic tank: 188 ltr (49.7 U.S. gal)


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:
Low: 3.2 km/h (2.0 mph)
Mid: 4.5 km/h (2.8 mph)
High: 5.5 km/h (3.4 mph)
Service brake: hydraulic lock
Parking brake: mechanical disc brake


UNDERCARRIAGE:
Center frame: x-frame
Track frame: box-section
Seal of track: sealed track
Track adjuster: hydraulic
Number of shoes (each side): 48
Number of carrier rollers (each side): 2
Number of track rollers (each side): 8


DIMENSIONS
with shoe width 600 mm (24") and arm length 3 185 mm (10'5"):

Shipping length: 11 140 mm (36'7")
Shipping height: 3 285 mm (10'9")
Overall height (to top of cab): 3 145 mm (10'4")
Overall width: 3 190 mm (10'6")
Width of crawler: 3 190 mm (10'6")
Ground clearance, counterweight: 1 185 mm (3'11")
Ground clearance (minimum): 500 mm (1'8")
Tail swing radius: 3 450 mm (11'4")
Length of track on ground: 4 030 mm (13'3")
Track length: 4 955 mm (16'3")
Track gauge: 2 590 mm (8'6")
Grouserr height: 36 mm (1.4")


WORKING RANGE:
Arm: 3 185 mm (10'5")
Maximum digging height: 10 100 mm (33'2")
Maximum dumping height: 7 050 mm (23'2")
Maximum digging depth: 7 380 mm (24'3")
Maximum digging reach: 11 100 mm (36'5")
Maximum digging reach at ground level: 10 920 mm (35'10")
Minimum swing radius: 4 310 mm (14'2")


OPERATING SPECIFICATIONS:
Operating weight: 33 660 kg (74,210 lb) - 34 040 kg (75,040 lb)
Bucket capacity SAE, PCSA: 1.40 m3 1.83 yd3 (quarry bucket)
Maximum digging depth: 7 380 mm (24'3")
Maximum travel speed: 5.5 km/h (3.4 mph)
Standard shoe (width): 600 mm (24")


KOMATSU PC350LC-8 crawler hydraulic excavator
KOMATSU PC350LC-8 crawler hydraulic excavator.
Date of the photo: 16 June 2012
Author of the photo: Jean Housen
License : (CC BY-SA 3.0)
Changes made: cut of the original photo.
The original photo is under the photo.

KOMATSU PC350LC-8 crawler hydraulic excavator in Huy, Belgium
KOMATSU PC350LC-8 crawler hydraulic excavator in Huy, Belgium.
Date of the photo: 16 June 2012
Author of the photo: Jean Housen
License : (CC BY-SA 3.0)






KOMATSU - CRAWLER EXCAVATORS


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