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Current number of specifications

 
Komatsu D39EX-21 KOMSTAT II Crawler Tractor

Selected Dimensions

Dimensions
A. Length w/ Blade13.8 ft in4200 mm
B. Width Over Tracks6.9 ft in2110 mm
C. Height to Top of Cab9.1 ft in2770 mm
D. Length of Track on Ground7.8 ft in2360 mm
Undercarriage
G. Track Gauge5.4 ft in1650 mm
H. Standard Shoe Size18 in460 mm

Specification

Engine
MakeKomatsu
ModelSAA4D102E-2
Net Power95 hp71 kw
Displacement240 cu in3.9 L
Aspirationturbocharged and air-to-air aftercooled
Operational
Operating Weight18780 lb8520 kg
Fuel Capacity43.6 gal165 L
Cooling System Fluid Capacity8.5 gal32 L
Engine Oil Capacity3.3 gal12.5 L
Hydraulic Fluid Capacity12.4 gal47 L
Final Drives Fluid Capacity0.9 gal3.5 L
Transmission
Typedual path, hydrostatic transmission
Number of Forward Gears3
Number of Reverse Gears3
Max Speed - Forward5.3 mph8.5 km/h
Max Speed - Reverse5.3 mph8.5 km/h
Undercarriage
Ground Pressure5.6 psi38.2 kPa
Ground Contact Area3365 in22.2 m2
Standard Shoe Size18 in460 mm
Number of Shoes per Side39
Number of Track Rollers per Side6
Track Pitch65 in1650 mm
Track Gauge5.4 ft in1650 mm
Standard Blade
Width9 ft in2740 mm
Height2.9 in890 mm
Blade Angle (both directions)25 degrees
Cutting Depth1.4 in440 mm
Dimensions
Length w/ Blade13.8 ft in4200 mm
Width Over Tracks6.9 ft in2110 mm
Height to Top of Cab9.1 ft in2770 mm
Length of Track on Ground7.8 ft in2360 mm