Specifications - Komatsu Galeo PC138US-8 Brochure

HYDRAULIC EXCAVATOR
S
PECIFICATIONS
ENGINE
Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Komatsu SAA4D95LE-5
Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Water-cooled, 4-cycle
Aspiration . . . . . . . . . . . . . . Turbocharged, and air-to-air aftercooled
Number of cylinders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Bore x stroke . . . . . . . . . . . . . . . . . . 95 mm x 115 mm 3.74" x 4.53"
Piston displacement. . . . . . . . . . . . . . . . . . . . . . . . . . 3.26 ltr 199 in
Governor . . . . . . . . . . . . . . . . . . . . . . . . All-speed control, electronic
Flywheel horsepower
ISO 9249 / SAE J1349. . . . . . . . . . . . . . . Gross 72.1 kW 96.6 HP
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Net 68.4 kW 91.7 HP
Rated rpm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2200 rpm
Fuel system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Direct injection
Lubrication system
Method . . . . . . . . . . . . . . . . . . . . . . . Gear pump, force-lubrication
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Full-flow
Air cleaner . . . . . . . . . . . . . . . . . . . . . Dry-type with double elements
. . . . . . . . . . . . . . . . . and auto dust evacuator, plus dust indicator
Meets 2006 EPA Tier 3 and EU Stage 3A
Starting motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5 kW/24 V
Alternator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 A/24 V
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 Ah/2 x 12 V
HYDRAULICS SYSTEM
Type . . . . . . . . . . . . . . . . . . . . . . HydrauMind (Hydraulic Mechanical
Intelligence New Design) system,
Closed-center system with load-sensing valve
and pressure-compensated valve
Main pump:
Type . . . . . . . . . . . . . . . . . . . . . . . . . Variable capacity piston type
Pumps for . . . . . . . . Boom, arm, bucket, swing, and travel circuits
Maximum flow . . . . . . . . . . . . . . . . 242 ltr/min 63.9 U.S. gal/min
Hydraulic motors:
Travel . . . . . . . . . . . . . . . . . . . 2 x piston motor with parking brake
Swing . . . . . . . . . . . . . . 1 x piston motor with swing holding brake
Relief valve setting:
Implement, travel circuit . . . . . . 34.8 MPa 355 kgf/cm 2 5,050 psi
Swing circuit. . . . . . . . . . . . . . . 27.1 MPa 276 kgf/cm 2 3,920 psi
Pilot circuit . . . . . . . . . . . . . . . . . 3.2 MPa 33 kgf/cm 2 470 psi
Hydraulic cylinders:
(Number of cylinders – bore x stroke)
Boom . . . . . . . . . . . . . . . . . . 2–105 mm x 1055 mm 4.1" x 41.5"
Arm . . . . . . . . . . . . . . . . . . . . 1–110 mm x 1175 mm 4.5" x 46.3"
Bucket. . . . . . . . . . . . . . . . . . . . 1–95 mm x 885 mm 3.9" x 34.8"
STANDARD EQUIPMENT
● Air cleaner, double element
hatch, pull-up front window, removable
with auto dust evacuator lower windshield, sliding rear
● Auto air conditioner
window, sliding seat
● Alternator, 35 Ampere, 24 V ● Cooling fan, mixed flow with fan guard
● Batteries, 64 Ah/2 x 12 V ● Counterweight, 3250 kg 7,160 lb
● Cab which includes: antenna, AM/FM ● Dustproof net for radiator and oil cooler
● Monitor panel
radio, floor mat, intermittent front wind-
● Light, one front
shield wiper and washer, large ceiling
PC138US
SWING SYSTEM
Driven by . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydraulic motor
Swing reduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Planetary gear
Swing circle lubrication . . . . . . . . . . . . . . . . . . . . . . . Grease-bathed
Swing lock . . . . . . . . . . . . . . . . . . . . . . . . . . Wet, multiple-disc brake
Swing speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.0 rpm
3
DRIVES AND BRAKES
Steering control . . . . . . . . . . . . . . . . . . . . . . . Two levers with pedals
Drive method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fully hydrostatic
Maximum drawbar pull . . . . . . . . . . . . . 123 kN 12500 kgf 27,560 lbf
Maximum travel speed: High . . . . . . . . . . . . . . . . . 5.1 km/h 3.2 mph
Low . . . . . . . . . . . . . . . . . 2.9 km/h 1.8 mph
Service brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydraulic lock
Parking brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . Wet, multiple-disc
UNDERCARRIAGE
Center frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . X-leg frame
Track frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Box-section
Seal of track . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Sealed track
Track adjuster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydraulic
Number of shoes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 each side
Number of carrier rollers . . . . . . . . . . . . . . . . . . . . . . . . . 1 each side
Number of track rollers . . . . . . . . . . . . . . . . . . . . . . . . . . 7 each side
COOLANT AND LUBRICANT
CAPACITY
(REFILLING)
Fuel tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195 ltr 51.5 U.S. gal
Radiator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.4 ltr 3.3 U.S. gal
Engine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11.0 ltr 2.9 U.S. gal
Final drive, each side . . . . . . . . . . . . . . . . . . . . 2.5 ltr 0.7 U.S. gal
Swing drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5 ltr 0.7 U.S. gal
Hydraulic tank . . . . . . . . . . . . . . . . . . . . . . . . . 69.0 ltr 18.2 U.S. gal
OPERATING WEIGHT
(APPROXIMATE)
Operating weight including 4600 mm 15'1" one-piece boom,
2500 mm 8'2" arm, SAE heaped 0.50 m 3 0.65 yd 3 backhoe bucket,
rated capacity of lubricants, coolant, full fuel tank, operator, and
standard equipment.
Shoes Operating Weight Ground Pressure
mm in kg lb kPa kg/cm 2
500 20" 13480 29,720 42.2 0.43
600 24" 13670 30,140 35.3 0.36
700 28" 13850 30,540 30.4 0.31
● Auto deceleration
● Pump/engine partition cover
● Shoe, 500 mm 19.7" triple grouser
● Starting motor 4.5 kW
● Swing holding brake
● Travel alarm
0
-8
psi
6.11
5.12
4.41
12