Komatsu Galeo PC138US-8 Brochure page 3

PC138US
H
Y D R A U L I C
-8
P
RODUCTIVITY &
Komatsu Technology
Komatsu develops and produces all major
components in house such as engines,
electronics and hydraulic components.
Combining "Komatsu Technology", and
customer feedback, Komatsu is achieving
great advancements in technology.
To achieve both high levels of productivity and
economical performance, Komatsu has
developed the main components with a total
control system. The result is a new generation
of high performance and environment-friendly
excavators.
Low Emission Engine
Komatsu SAA4D95LE-5 is EPA Tier 3
and EU Stage 3A emissions ready.
4
E
X C A V A T O R
E F
COLOGY EATURES
Seven-inch TFT liquid crystal display
Hydraulic system
controller
Electronic control
unit for engine
Main pump
Single pump with double
flow system
Engine
Heavy duty HPCR (High Pressure
Common Rail) system
Low Operation Noise
Enables low noise operation using the low-noise engine and
methods to cut noise at source.
Electronically controlled common rail type engine
• Multi-staged injection
• Highly rigid cylinder block
Low noise design
• Optimal arrangement of sound absorbing materials
• Partition between the cab and engine room
• Airtight valve room
Large Digging Force
The PC138US-8 has a large bucket digging force and arm
crowd force, that facilitates digging hard rock-bed. Digging
force ISO rating.
Bucket digging force
Arm crowd force
*PC120-6 measured with power max.
High Mobility
Hydraulic control valve
The PC138US-8 exceptional travel performance is provided
Flow divide/merge control
with EPC
by single pump with double flow, and it demonstrates superb
maneuverability while operating at its optimum travel speed. It
exhibits a large drawbar pull for moving on job sites, traveling
in rough
terrain and
climbing
steep slopes.
High Stability
The PC138US-8 offers exceptional lifting capacity and high
stability with a large cast-iron counterweight that requires no
additional clearance.
Lifting capacity*
Weight of
counterweight
*At maximum reach, ground level height and overside.
HYDRAULIC EXCAVATOR
Working Modes Selectable
The PC138US-8 excavator is equipped with five working
modes (P, E, L, B and ATT mode). Each mode is designed to
match engine speed and pump speed with the current
application. This provides the flexibility to match equipment
PC138US-8 PC120-6*
performance to the job at hand.
93.2 kN 93.4 kN
9500 kgf 9520 kgf
20,950 lbf 20,990 lbf
Working Mode
61.8 kN 63.7 kN
6300 kgf 6500 kgf
P Power mode
13,890 lbf 14,330 lbf
E
L
B
ATT
Work priority
P
P mode
Fuel priority
E
E mode
L
L mode
B
B mode
ATT
ATT mode
Eco-gauge that Assists Energy-saving Operations
The Eco-gauge on the right side of the multi-function color
monitor provides environment-friendly energy-saving
operation. Allows focus on operation in the green range with
reduced CO emissions and efficient fuel consumption.
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PC138US-8 PC120-6
1290 kg 1150 kg
2,850 lb 2,500 lb
3250 kg 2255 kg
7,160 lb 4,960 lb
Idling Caution
To prevent unnecessary
fuel consumption, an idling
caution is displayed on the
monitor, if the engine idles
for 5 minutes or more.
PC138US 0
-8
Application Advantage
● Maximum production/power
● Fast cycle times
● Good cycle times
Economy
● Better fuel economy
mode
● Suitable attachment speed
Lifting mode
● Optimum engine rpm,
Breaker
mode hydraulic flow
● Optimum engine rpm,
Attachment
mode hydraulic flow, 2way
Eco-gauge
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