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D85EX/PX-
C
15E0
R A W L E R
M
AINTENANCE
Preventative maintenance
Preventative maintenance is the only way to ensure long service life from your equipment. That's why Komatsu designed the
D85EX/PX with conveniently located maintenance points to make necessary inspections and maintenance quick and easy.
Centralized service station
To assure convenient maintenance, the transmission and
HSS oil filters, power train oil level gauges and hydraulic
tank are arranged in the right side of the machine.
Monitor with self-diagnostic function
With the starting switch turned ON, the monitor displays on
the display, check-before-starting and caution items appear
on the lower right part of the panel. If the monitor finds
abnormalities, corresponding warning lamp blinks and
warning buzzer sounds. The monitor displays engine rpm
and forward/reverse gear speed on the upper part of the
monitor during operation. When abnormalities occur during
operation, action code and service meter are displayed
alternately. When a critical action code is displayed, the
caution lamp blinks and a warning buzzer sounds to
prevent the development of serious problems.
Enclosed hydraulic piping
Hydraulic piping for the blade tilt cylinder is completely
housed in the push arm, ensuring damage protection from
materials.
Easy/cleaning with hydraulic driven radiator fan
The radiator core and the core on the front side of the oil
cooler can be easily cleaned by running the hydraulic engine
fan in reverse. Accordingly, the cleaning intervals of those
cores can be increased.
8
D
O Z E R
Modular power train design
Power train components are sealed in a modular design that
allows the components to be dismounted and mounted
without oil spillage.
Reliable simple structure
Simple hull structure main frame design increases durability
and reduces stress concentration at critical areas. The track
frame has a large cross section and utilizes pivot shaft
mounting for greater reliability.
Maintenance free disc brakes
Wet disc brakes require less maintenance.
Gull-wing engine side covers (optional)
The opening area is further
enlarged when gull-wing
engine side covers are
opened, facilitating engine
maintenance and filter
replacement. Side covers
have been changed to a
thick one-piece structure with
a bolt-on catch to improve durability.
Heavy-duty track link
The track link life is greatly improved through increased
bushing diameter and link height in addition to lubricated
track.
C
A
S
LEAN
ND
ILENT
Clean engine
The SAA6D125E-5 engine is EPA (Environmental
Protection Agency) Tier 3 and EU stage 3 emission
regulations certified. So, it developes low emission of NOx,
hydrocarbon, and black smoke remarkably, without
sacrificing power or machine productivity.
Quiet design
The low-noise engine hydraulically driven fan, and rubber-
mounted power train provide a quiet operation.
D85
-15E0
CRAWLER DOZER
D
ESIGN
Use of recyclable parts
Recyclable parts are used, considering the effects on the
environment.
Extended service interval
Long-life consumable parts such as filters and elements are
used to lengthen their replacement interval to lower the
maintenance cost.
9
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