2 3
ECMV (Electronic Controlled Modulation Valve)
controlled steering clutch/brake system
facilitates steering operation.
See page 5.
Low noise
● Operator noise: 70dB(A)
(Engine at Hi, cooling fan at 70%, and air conditioner OFF.)
● Dynamic noise (outside): 110dB(A)
As per ISO 6395
See page 8.
VHMS (Vehicle Health Monitoring
System)
See page 9.
W
ALK
-A
ROUND
Simple hull frame
and monocoque track
frame with pivot shaft
for greater reliability.
D475A
-5E0
Extra-low machine profile
provides excellent machine balance
and low center of gravity.
Large blade capacities:
27.2 m335.6 yd3(Semi-U
dozer) and
34.4 m345.0 yd
3
(U dozer) See page 7.
Preventative maintenance
● Centralized service station
● Enclosed hydraulic piping
● Modular power train design
● Oil pressure checking ports
See page 9.
Photo may include optional equipment.
The dual tilt dozer
(option) increases
productivity while
reducing operator
effort. See page 7.
Automatic lockup
torque converter
saves fuel and increases speed and
power transmission efficiency on
long pushes. See page 6.
New track link design
reduces maintenance cost by
making turning pins easier, with
improved pin reuse. See page 9.
SAA12V140E-3 turbocharged
after-cooled diesel engine provide
an output of
664 kW 890 HP with excellent
productivity, while meeting EPA Tier 2
emission regulation.
See page 6.
Hydraulic drive radiator cooling
fan controlled automatically, reduces fuel
consumption and operating noise levels.
See page 6.
K-Bogie undercarriage system
improves traction, component durability,
and operator comfort. See page 6.
Rippers (option):
● Variable giant
● Multi-shank
See page 7.
New hexagonal designed cab includes:
● Spacious interior
● Comfortable ride with new cab damper mounting and K-Bogie
undercarriage
● Excellent visibility
● High capacity air conditioning system
● PCCS (Palm Command Control System) lever controls
● Pressurized cab
● Adjustable armrest
● Travel control console integrated with operator seat
Track shoe slip control system (option)
reduces operator fatigue. See page 7.
Komatsu-integrated design
for the best value, reliability, and versatility.
Hydraulics, power train, frame, and all
other major components are engineered
by Komatsu. You get a machine whose
components are designed to work together
for higher production, greater reliability,
and more versatility.
Unique and unrivaled noise-suppression.
Low-drive, long-track, eight roller undercarriage
ensures outstanding grading ability and stability.
HORSEPOWER
Gross: 671 kW 899 HP @ 2000 rpm
Net: 664 kW 890 HP @ 2000 rpm
OPERATING WEIGHT
108390 kg 238,960 lb
BLADE CAPACITY
Semi-U: 27.2 m335.6 yd
3
Full-U: 34.4 m345.0 yd
3
CRAWLER DOZER
D475A-5E0 C RAWLER D OZER