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PC2000
H
Y D R A U L I C
-8
E
R
ASY
EPAIR &
Designed and built for total cost reduction
The evolution of reliability and durability
Reduced Inspection/maintenance
and Overhaul Man-hours
Achieves Total Cost Reduction
Power module packaging for easy
installation and removal of
Enlarged main pump
components
Engine, radiator, oil cooler, hydraulic
pumps and PTO are packaged within
the Power module. This design
facilitates installation and removal of
components, contributing to the
reduction of maintenance
transportation and overhaul hours.
Automatic
variable speed fan
(for oil cooler)
High cooling efficiency machine
design
Increased oil cooler capacity lowers
the heat balance temperature of
hydraulic oil to realize a cooler
operating machine. Heat-resistant
Repair & maintenance cost
rubber seals are used in hydraulic
Drastically reduced
pumps and cylinders to significantly
Compared with current model
increase component durability. These
improvements dramatically extend
Simple construction and enlarged
the service life of the hydraulic
components reduce the number of
system.
parts
Use of a single-engine, enlarged
Strengthened Frame Structure
hydraulic pumps and simplified
Revolving frame, center frame and
hydraulic circuit enables reduced
crawler frame are strengthened
hours required for checking and
completely. The frames endure heavy-
maintenance. Moreover, significant
duty work and exhibit excellent
reduction of number of parts
durability.
contributes to reduction of overhaul
man-hours, resulting in total cost
reduction.
6
E
X C A V A T O R
M
AINTENANCE
POWER MODULE
PTO
Komatsu SAA12V140E engine
Fan pump
Durable Swing Circle with
Triple-roller Bearing
Large capacity triple-roller bearing is
used for the swing circle. The swing
circle endures
heavy-duty
excavating and
loading work, and
exhibits excellent
durability.
Sturdy Guard and Large Track
Link
Travel motors are shielded by sturdy
guards. They prevent the motors from
being damaged by the thrust of rocks.
Enlarged track rollers, in combination
with the largest size track links, provide
excellent
durability.
Heavy-duty Rock Bucket (optional)
Packaged wear-resistant reinforcement plates are available. The repair cost of the bucket can be considerably reduced with
the new design.
* KVX materials :
Komatsu developed, wear-resistant, reinforced
materials. Brinell hardness: 500 or more
(180kgf/mm
2
class). Features high wear-
resistance and less heat-induced alteration
during rock digging, maintaining long term
Automatic
hardness.
variable speed fan
(for radiator)
XS Tooth
• Unique bucket tooth shape, superior
digging performance
• Long-term high sharpness
• Great penetration performance
• Hammerless, safe, and easy tooth
replacement
(Tooth replacement time: Half the
conventional machine.)
Arm Rock Protector Guards the
Arm Against Impact
Arm rock protector is equipped as
standard. The protector guards the arm
greasing piping against impact.
HYDRAULIC EXCAVATOR
Heavy-duty Rock Bucket with XS Tooth
Koma-hard materials
Ultra high-tensile strength steel
High-tensile strength steel
Wear-resistant Float Pin
Boom top pin and arm top pin are
floating type. Since the pin can freely
rotate, it receives less friction load and
exhibits excellent reliability and
durability.
PC2000
-8
Large shroud
XS tooth
7
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