Q
UARRY
H
YDRAULIC
E
XCAVATOR
The PC450-8R is a specially designed for heavy-duty appli-
cations. The PC450-8R has strengthened work equipment
and reinforced body parts for use in severe job sites such as
quarry and gravel gathering, etc.
Cab with Two-piece
Pull-up Window
(optional)
Fixed One-piece
Laminated Front
Window Glass
The front window is
fixed and uses lami-
nated safety glass to
prevent scattering of
glass fragments when
broken.
Fixed Skylight and Sunshade
Heavy-duty Boom
Heavy-duty
Arm
Dent Preventing
Plates
Deck Guard
Strengthened Revolving
Frame Underguard
Full Roller Guard
Quarry Bucket
PC450-8R bucket is designed exclusively for quarry use and
is higher strength for impact and wear. Various parts of work
equipment are also strengthened.
Side Shrouds
Lip
Shrouds
Side Reinforcement Plate
16 mm
0.63” thickness high-
tensile strength steel used.
O-ring Added
O-ring is added between
bucket and linkage to prevent
entrance of dirt.
Corner Tooth
Adapter
Double-flange Track Roller
Double-flange rollers guide track link cor-
rectly and extends life of undercarriage.
Number of double-flange track rollers
PC450-8R . . . . . . . . . . . .3 each side
PC450LC-8R . . . . . . . . . .4 each side
Bottom Wear Plate
19 mm
0.75” thickness high-
tensile strength steel used.
Photo may include optional equipment.
Photo may include optional equipment.
R
ELIABILITY
F
EATURES
PC450
-8R
H
Y D R A U L I C
E
X C A V A T O R
Excellent Reliability and Durability
Fuel Main-filter
The reliability of fuel systems is
improved, because fuel main-filter
additionally installed removes contami-
nation and sludge contained in fuel.
Water Separator
Removes water from the fuel and
improves the reliability of fuel systems.
High Pressure In-line Filter
In-line filters are provided at outlet port
(pressure side) of each pump to
protect hydraulic system contamination.
In-line filters
Metal Guard Rings
Metal guard rings protect all the
hydraulic cylinders and improve
reliability.
Metal guard ring
(Cast iron ring)
Piston ring
Wear ring
Equipped with
Fuel Pre-filter
(with Water Separator)
Removes water and
contaminants in the
fuel to prevent fuel
problems.
DT-type Connectors
DT-type connectors seal tight and have
higher reliability.
Waterproof seal
Waterproof seal
Waterproof seal
O-ring Face Seal
The hydraulic hose seal method has
been changed from a conventional
taper seal to an O-ring seal. This pro-
vides improved sealing performance.
PC450
-8R
0
HYDRAULIC EXCAVATOR
11
10
Photo may include optional equipment.
