Komatsu D275A-5 User Manual

ROPS canopy:*
Weight . . . . . . . . . . . . . . . . 650 kg 1,430 lb
Roof dimensions
Length . . . . . . . . . . . . . . . 1405 mm 4'7"
Width . . . . . . . . . . . . . . . . 2035 mm 6'8"
Height from
compartment floor . . . . . . . 1830 mm 6'0"
*Meets ISO 3471 and SAE J1040 APR88, ROPS
standards, as well as ISO 3449 FOPS standard
Additional ground
pressure . . 2.0 kPa 0.02 kg/cm
2
0.28 psi
Steel Cab:
Weight. . . . . . . . . . . . . . . . . . 415 kg 910 lb
Dimensions:
Length. . . . . . . . . . . . . . . 1790 mm 5'10"
Width . . . . . . . . . . . . . . . . 1455 mm 4'9"
Height from compartment
floor to ceiling . . . . . . . . . . 1530 mm 5'0"
Additional ground
pressure . . 1.0 kPa 0.01 kg/cm
2
0.14 psi
Variable giant ripper:
Variable, parallelogram single-shank ripper
ideal for ripping up tough material. Ripping
angle is variable. Ripping depth is adjustable
in three stages by a hydraulically controlled
pin puller.
Weight (including hydraulic
control unit) . . . . . . . . . 3600 kg 7,940 lb
Beam length . . . . . . . . . . . . . 1252 mm 4'1"
Maximum lift above ground . 1195 mm 3'11"
Maximum digging depth . . . . 1420 mm 4'8"
Additional ground
pressure . . 7.8 kPa 0.88 kg/cm
2
1.14 psi
Multi-shank ripper:
Hydraulically controlled parallelogram ripper
with three shanks. Ripping angle available
stepless adjustable.
Weight (including hydraulic
control unit) . . . . . . . . . 4462 kg 9,840 lb
Beam length . . . . . . . . . . . . . 2495 mm 8'2"
Maximum lift above ground . . . 955 mm 3'2"
Maximum digging depth . . . . 900 mm 2'11"
Additional ground
pressure . . 9.8 kPa 0.10 kg/cm
2
1.42 psi
CEN00024-01 Printed in Japan 200807 IP.AD (10)
www.Komatsu.com Materials and specifications are subject to change without notice
is a trademark of Komatsu Ltd. Japan
● Alternator 75 ampere/24V
● Backup alarm
● Batteries 170 Ah/2 x 12V
● Blower fan
● Decelerator pedal
● Dry-type air cleaner with dust evacuator
and dust indicator
● Final drive case wear guard
● Hinged front mask
● Hinged underguard with front pull hook
● Hydraulic track adjusters
● Lighting system (including four front
and two rear lights)
● Torque converter
● Muffler with rain cap
● Palm lever steering control
● Radiator reserve tank
● ROPS brackets
● Segmented sprockets
● Shoes, 610 mm 24" extreme service,
single-grouser
● Seven-roller track frames
● Starting motor 11 kW/24 V
● Suspension seat, synthetic leather
● TORQFLOW transmission
● Tr ack roller guards
● War ning horn
● Wet steering clutches/brakes
● Air conditioner with heater and defroster
● Alternator 90 ampere/24 V
● Batteries 200 Ah/2 x 12V
● Car stereo
● Counterweight
● Dual tilt dozer
● Fire extinguisher
● Hitch
● Hydraulics for ripper
● Light for ripper point
● Mirror, rearview
● Panel cover
● Perforated side covers
● Perforated single radiator mask
● Pusher plate
● Seat belt
● Shoes:
—710 mm 28"
—760 mm 30"
● Spill guard for semi-U dozer
● Spill guard for U-dozer
● Sun visor
● Suspension seat
—Fabric seat
—Fabric seat, high backrest
● Strengthened Semi-U blade
● Strengthened U blade
● Tr ack shoe slip control system
● Vandalism protection kit
STANDARD EQUIPMENT
OPTIONAL EQUIPMENT
NET HORSEPOWER
306 kW 410 HP
OPERATING WEIGHT
49850 kg 109,900 lb
Photo may include optional equipment
D275A-5
C
RAWLER
D
OZER
D
275A

Komatsu D275A-5 Specifications

General

Brand	Komatsu
Model	D275A-5
Category	Tractor
Language	English

Summary

D275A-5 Crawler Dozer WALK-AROUND

New Hexagonal Designed Cab

Features spacious interior, excellent visibility, and advanced control systems for operator comfort.

Hydrostatic Driven Engine Cooling Fan

Automatically controlled fan reduces fuel consumption and operating noise.

Preventative Maintenance Features

Centralized service station, enclosed hydraulic piping, and modular power train design.

Simple Hull Frame

Monocoque track frame with pivot shaft ensures greater reliability.

Large Blade Capacities

Offers Semi-U and Full-U dozer options with high production capacity.

Low-drive, long-track, Seven Roller Undercarriage

Ensures outstanding gradeability, stability, and longevity.

K-Bogie Undercarriage System

Improves traction, durability, and operator comfort with oscillating bogies.

Rippers (Option)

Offers variable giant and multi-shank ripper options for enhanced productivity.

PCCS (Palm Command Control System)

Human-Machine Interface

Ergonomic design with joysticks for travel and blade control for complete operator control.

Palm Command PPC Controlled Blade Control Joystick

Provides precise blade control via PPC valve and joystick for fine adjustments.

Height Adjustable Blade Control Armrest

Adjustable armrest offers optimal operator posture and arm support.

Position Adjustable Ripper Control Lever

Adjustable lever position for optimum operator posture during ripping operations.

Fuel Control Dial

Electric signal control for engine revolution, simplifying operation and maintenance.

Power Train Electronic Control System

ECMV Controlled Transmission

Automatically adjusts clutch engagement for smooth, shockless shifts and improved reliability.

ECMV Controlled Steering Clutches/Brakes

Electronically controls steering for smooth operation, reducing counter-steering on slopes.

Preset Travel Speed Selection Function

Allows selection of three preset travel speed patterns for efficient operation.

Auto Downshift Function

Automatically downshifts to optimize gear speed for fuel efficiency and productivity.

PRODUCTIVITY FEATURES

Engine Performance

Komatsu SDA6D140E engine delivers 306 kW (410 HP) for superior ripping and dozing.

K-Bogie Undercarriage System

Improves traction, balance, and durability by reducing impact loading on components.

Large Blade Capabilities

High-capacity Semi-U and U dozer blades for outstanding production and durability.

Ripper Options

Variable giant and multi-shank rippers offer easy operation and high penetration force.

WORKING ENVIRONMENT

Operator Comfort Features

Quiet, comfortable environment with excellent visibility and ergonomic controls.

Comfortable Ride with Cab Damper Mounting and K-Bogie Undercarriage

New cab damper and K-bogie system absorb shocks and vibration for a quiet ride.

New Suspension Seat

Provides excellent support and riding comfort with adjustable fore and aft travel.

EASY MAINTENANCE

Preventative Maintenance Features

Conveniently located points for quick and easy inspections and maintenance.

Monitor With Self-Diagnostic Function

Detects abnormalities, displays warnings, and provides diagnostic information.

Enclosed Hydraulic Piping

Housed in the push arm for damage protection from materials.

Low Maintenance Costs

Features modular power train, maintenance-free disc brakes, and improved track links.

SPECIFICATIONS

Engine Specifications

Details Komatsu SDA6D140E engine performance, displacement, and lubrication.

Steering System Specifications

Describes PCCS lever control and wet multiple-disc steering clutches/brakes.

Torqflow Transmission Specifications

Details the water-cooled torque converter and hydraulic clutch transmission.

Undercarriage System Specifications

Explains the K-bogie system, extreme service shoes, and track lubrication.

Hydraulic System Specifications

Covers CLSS, hydraulic pump capacity, control valves, and cylinders.

Dozer Equipment Specifications

Lists blade capacities, dimensions, ground pressure, and weight for different dozer types.