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Komatsu Dozers D475A-5SD
D475A-5SD Super Dozer
The exclusive Komatsu Super Dozer blade raises the production levels of the D475A-5SD to new heights. The Super Dozer blade will produce about 15% more than a conventional blade which will increase production and lower your cost per yard. Mate that Super Dozer blade to all the other D475A-5 features, such as lock-up torque converter, palm command joysticks, electronically modulated steering clutches, K-bogie system and quiet, comfortable cab and you have an unbeatable combination.
Engine
Model
Komatsu SAA12V140E-3
Type
4-cycle, water-cooled, direct injection
Aspiration
Turbocharged, air-to-air aftercooled
Number of cylinders
12
Bore x stroke
5.51" x 6.50"
140 mm x 165 mm
Piston displacement
1,860 in³
30.48 ltr
Horsepower:
SAE J1349
899 HP
671 kW
DIN6270
890 HP
664 kW
Hydraulic fan at maximum speed
860 HP
641 kW
Rated rpm
2000rpm
Governor
All-speed, electronic
Lubrication system:
Method
Gear pump, force lubrication
Filter
Full-flow and bypass combined
TORQFLOW Transmission
Komatsu TORQFLOW transmission consists of a water-cooled, 3-element, 1-stage, 1-phase torque converter with lockup clutch and a planetary gear, multiple-disc clutch transmission which is hydraulically actuated and force-lubricated for optimum heat dissipation. Gearshift lock lever and neutral safety switch help prevent accidental starts.
Gear
Forward
Reverse
1st
2.1 mph 3.3 km/h
2.6 mph 4.2 km/h
2nd
3.9 mph 6.2 km/h
5.0 mph 8.0 km/h
3rd
7.0 mph 11.2 km/h
8.7 mph 14.0 km/h
Final Drive
Double-reduction final drive of spur and planetary gear sets to increase tractive effort and reduce gear tooth stresses for long final drive life. Segmented sprocket teeth are bolt-on for easy replacement.
Steering System
PCCS, joystick controlled, wet multiple-disc steering clutches are spring-loaded and hydraulically released.Wet multiple-disc, pedal/lever controlled steering brakes are spring-actuated hydraulically released and require no adjustment. Steering clutches and brakes are interconnected for easy, responsive steering.
Minimum turning radius
15'1"
4.6 m
Undercarriage
Suspension
Oscillating equalizer bar and pivot shaft
Track roller frame
Cylindrical, high-tensile-strength steel construction
Rollers and idlers
Lubricated track rollers
K-Bogie undercarriage
Lubricated track rollers are resiliently mounted to the track frame with a bogie suspension system whose oscillating motion is cushioned by rubber pads.
Extreme service track shoes
Lubricated tracks. Unique seals prevent entry of foreign abrasives into pin-to-bushing clearances to provide extended service life. Track tension is easily adjusted with grease gun.
Number of shoes (each side)
41
Grouser height:
Single grouser
4.1"
105 mm
Shoe width (standard)
32"
810 mm
Ground contact area
11,360 in²
73290 cm²
Ground pressure (Tractor)
16.2 psi
112 kPa 1.14 kg/cm²
Number of track rollers
8
Number of carrier rollers
2
Extreme service shoes:
36"
910 mm
Additional weight
4,030 lb
1830 kg
Ground contact area
12,762 in²
82340 cm²
Tractor ground pressure
14.8 psi
102 kPa 1.04 kg/cm²
Service Refill Capacities
Fuel tank
441 U.S. gal
1670 ltr
Coolant
72.6 U.S. gal
275 ltr
Engine
32.0 U.S. gal
121 ltr
Torque converter, transmission, bevel gear, and steering system
55.5 U.S. gal
210 ltr
Final drive (each side)
19.8 U.S. gal
75 ltr
Operating Weight
Tractor weight
Including steel cab, rated capacity of lubricant, coolant, full fuel tank, operator, and standard equipment.
186,310 lb
84510 kg
Operating weight
Including strengthened Super Dozer blade, counterweight, steel cab, ROPS, operator, standard equipment, rated capacity of lubricant, coolant, and full fuel tank.
249,560 lb
113200 kg
Ground pressure
21.9 psi
151 kPa 1.54 kg/cm²
Hydraulic System
Closed-center load sensing system (CLSS) designed for precise and responsive control, and for efficient simultaneous operation.
