Komatsu D475A-8 Dozer

Dimensions

A. Track Gauge 109 in (2770 mm)
B. Overall Width over Blade 244.3 in (6205 mm)
C. Height to Top of Exhaust 185.4 in (4710 mm)
D. Height of Dozer Blade 102.8 in (2610 mm)
E. Length of Track on Ground 178.1 in (4525 mm)
F. Overall Length w/ Blade 464.6 in (11800 mm)
G. Sprocket Center to Ripper 135 in (3430 mm)
H. Ripper Lift Height 47.6 in (1210 mm)
I. Ripping Depth 72.6 in (1845 mm)
J. Height to Top of Cab 188.8 in (4795 mm)
Ground Clearance 24.2 in (615 mm)

Komatsu D475A-8 Dozer Dimensions and Weight

Weight

Operating Weight 254195 lb (115300 kg)
Ground Pressure 19.35 psi (133.4 kPa)
Base Tractor Weight 194450 lb (88200 kg)
Dual Tilt Semi-U Blade 40345 lb (18300 kg)
Dual Tilt U Blade 43872 lb (19900 kg)
Dual Tilt Super Dozer Blade 48722 lb (22100 kg)
Multi-Shank Ripper 20430 lb (9270 kg)
Variable Giant Ripper 15895 lb (7210 kg)
Counterweight w/ Hitch 13395 lb (6076 kg)
Additional Counterweight 14509 lb (6581 kg)

Komatsu D475A-8 Dozer Undercarriage

Undercarriage

Grouser Height 4.1″ (105 mm)
Track Gauge 9’1″ (2770 mm)
Shoe Size (Standard) 28″ (710 mm)
Shoe Size (Optional) 32″ (810 mm)
Ground Contact Area 9957 in2 (64240 cm2)
Ground Pressure (tractor) 16.71 psi (115.2 kPa)
Number Of Carrier Rollers Per Side 2
Number Of Track Rollers Per Side 8
Number Of Shoes Per Side 41
Suspension Oscillating equalizer bar with shoulder pad and pivot shaft
Track Roller Frame Cylindrical, high-tensile-strength steel construction
Rollers and Idlers Lubricated track rollers
32″ (810 mm) Extreme Service Shoes 2028 lb (920 kg), 11360 in2 (73290 cm2), 17.1 psi (118 kPa)
36″ (910 mm) Extreme Service Shoes 4034 lb (1830 kg), 12763 in2 (82340 cm2), 15.4 psi (106.1 kPa)

Komatsu D475A-8 Dozer Blade Capacity

Dozer Blades

Type Dual Tilt SU Dual Tilt U Dual Tilt Super Dozer
Blade Capacity 35.6 yd3 (27.2 m3) 44.5 yd3 (34.4 m3) 58.9 yd3 (45.0 m3)
Blade Width 17’3″ (5265 mm) 20’4″ (6205 mm) 21’3″ (6465 mm)
Blade Height 8’10” (2690 mm) 8’7″ (2610 mm) 9’5″ (2874 mm)
Max Lift above Ground 5’5″ (1650 mm) 5’5″ (1650 mm) 5’7″ (1700 mm)
Max Drop below Ground 2’11” (900 mm) 2’11” (900 mm) 3’3″ (1000 mm)
Max Tilt 3’9″ (1145 mm) 4’5″ (1350 mm) 2’9″ (850 mm)
Blade Weight 40345 lb (18300 kg) 43872 lb (19900 kg) 48722 lb (22100 kg)

Engine Details

Number Of Cylinders 12
Engine Make Komatsu
Engine Model Komatsu SAA12V140E-7
Displacement 1860 cu in (30.48 L)
Bore 5.5 in (140 mm)
Stroke 6.5 in (165 mm)
Gross Power, Forward 934 hp (697 kw)
Gross Power, Reverse 1040 hp (777 kw)
Net Power, Forward 890 hp (664 kw)
Net Power, Reverse 968 hp (722 kw)
Power Measured @ 2000 rpm
Peak Torque 3739 lb ft (5070 Nm)
Aspiration Turbocharged, air-to-air charge air cooler, cooled EGR
Engine Lubrication Gear pump, force lubrication with full-flow oil filter
Emission Standards U.S. EPA Tier 4 Final + EU Stage V

Komatsu D475A-8 Super Dozer Specs

Operational Specs

Operating Weight 254195 lb (115300 kg)
SU-Blade Capacity 35.6 yd3 (27.2 m3)
U-Blade Capacity 45.5 yd3 (34.4 m3)
Super Dozer Capacity 58.9 yd3 (45.0 m3)
Operating Voltage 24 V
Alternator 140 amps
Battery 4x 12 V, 160 Ah
Starter 20 hp (2 x 7.5 kw), 24 V
Minimum Turning Radius 15’1″ (4.6 m)

Komatsu D475A-8 Dozer at Work

Transmission

Transmission Type Auto/manual gearshift (3F/3R) TORQFLOW transmission
Number Of Gears 3F / 3R
Gearshift Lock Gearshift lock lever and neutral safety switch help prevent accidental starts
Torque Converter Torque converter with lock-up clutch
Clutch Multiple-disc clutch transmission which is hydraulically-actuated and force-lubricated for optimum heat dissipation
Max Forward Speed 7.2 mph (11.6 km/h)

Komatsu D475A-8 Dozer Specifications

Speeds

Gear Forward Reverse
1st 2.1 mph (3.4 km/h) 2.7 mph (4.4 km/h)
2nd 3.9 mph (6.3 km/h) 5.2 mph (8.4 km/h)
3rd L 4.6 mph (7.4 km/h) 5.6 mph (9.0 km/h)
3rd 7.2 mph (11.6 km/h) 8.9 mph (14.3 km/h)

Komatsu D475A-8 Specifications

Hydraulic System

Type Closed-center load sensing system (CLSS)
Pump Type Variable piston pump
Pump Flow Capacity 142.9 gpm (541 L/min)
Relief Valve Pressure 3983 psi (27500 kPa)
Control Valves Spool control valves for Semi-U tilt blade and U tilt blade
Additional Control Valve Additional control valve required for variable digging angle multi-shank ripper and giant ripper
Hydraulic Cylinders Double-acting, piston type
Blade Lift 2x cylinders – 7.1″ (180 mm)
Blade Tilt (single tilt) 1x cylinder – 9.8″ (250 mm)
Blade Tilt (dual tilt) 2x cylinders – 9.8″ (250 mm)
Ripper Lift 2x cylinders – 8.9″ (225 mm)
Ripper Tilt 2x cylinders – 8.9″ (225 mm)

Komatsu D475A-8 Dozer Giant Ripper Specs

Service Refill Capacities

Fuel Tank Capacity 507.2 gal (1920 L)
Engine Oil Capacity 31.7 gal (120 L)
Cooling System Capacity 72.6 gal (275 L)
Transmission Oil Capacity 55.5 gal (210 L)
Final Drives (each side) 19.8 gal (75 L)
Hydraulic System Capacity 50.2 gal (190 L)
Giant Ripper (additional) 34.3 gal (130 L)
Multishank Ripper (additional) 34.3 gal (130 L)

Komatsu D475A-8 Dozer Operator Cab Interior

Operator Environment

Operator’s Seat Heated/ventilated operator’s seat with improved air suspension system
Cab Damper Larger cab damper mounts
Steering Console Electronic steering console height adjustment (optional)
Travel Joystick Palm Command Control System (PCCS) joystick controls
Equipment Joystick An electronically controlled joystick for work equipment enables faster and more accurate blade and ripper control.
Main Monitor Large multi-lingual high-resolution LCD monitor with troubleshooting function
LED lighting package 4x access lamps, 4x additional cab mount, 2x front fender mount, 2x high mount on hood, 2x rear fender mount, ripper point light
HVAC Automatic climate control system
ROPS Meets ISO 3471 standards
Ask a question