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Current number of specifications

 
Komatsu D39PX-21 KOMSTAT II Crawler Tractor

Selected Dimensions

Dimensions
A. Length w/ Blade13.8 ft in4200 mm
B. Width Over Tracks7.9 ft in2425 mm
C. Height to Top of Cab9.1 ft in2770 mm
D. Length of Track on Ground7.8 ft in2360 mm
Undercarriage
G. Track Gauge5.9 ft in1790 mm
H. Standard Shoe Size25 in635 mm

Specification

Engine
MakeKomatsu
ModelSAA4D102E-2
Net Power95 hp71 kw
Displacement240 cu in3.9 L
Aspirationturbocharged and air-to-air aftercooled
Number of Cylinders4
Operational
Operating Weight19620 lb8900 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 Pressure4.3 psi29.4 kPa
Ground Contact Area4645 in23 m2
Standard Shoe Size25 in635 mm
Number of Shoes per Side39
Number of Track Rollers per Side6
Track Pitch70 in1790 mm
Track Gauge5.9 ft in1790 mm
Standard Blade
Width10.9 ft in3330 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 Tracks7.9 ft in2425 mm
Height to Top of Cab9.1 ft in2770 mm
Length of Track on Ground7.8 ft in2360 mm