Komatsu D39EX-21 KOMSTAT II Crawler dozers research

Komatsu D39EX-21 KOMSTAT II Crawler dozers Technical specifications
General
Engine model
SAA4D102E-2
Operating weight
8,518 kg
Max speed forward
8.53 kph
Operational specifications
Drive type
Dual-path, hydrostatic transmission
Blade width
2 mm
Engine
Displacement
3932 cu cm
Aspiration
turbocharged and air-to-air aftercooled
Net power
70.84 kw
Dimensions
Length with blade
4.21 m
Blade height
0.76 mm
Width over tracks
2.13 m
Refill capacities
Final drives fluid cap
3.41 liters
Engine oil cap
12.49 liters
Undercarriage
Ground contact area
55142.59 cm3
Number of shoes per side
39
Track pitch
16.51 cm
Tracks length
2 m
Ground pressure
0.39 bar
Number of track rollers per side
6
Track width
45.72 cm
Track gauge
1.68 m
Service refill capacities
Cooling fluid cap
32.17 liters
Fuel cap
165.03 liters
Hydraulic fluid cap
46.93 liters
Transmission
Max speed reverse
8.53 kph
Number of reverse gears
3
Number of forward gears
3
Blades
Blade angle
25 degrees
Download datasheets
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