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Current number of specifications

 
Komatsu D31EX-21 KOMSTAT II Crawler Tractor

Selected Dimensions

Dimensions
A. Length w/ Blade13.2 ft in4015 mm
B. Width Over Tracks6.1 ft in1850 mm
C. Height to Top of Cab8.8 ft in2700 mm
D. Length of Track on Ground6.6 ft in2010 mm
E. Ground Clearance1.3 ft in384 mm
Undercarriage
G. Track Gauge4.8 ft in1450 mm
H. Standard Shoe Size16 in400 mm

Specification

Engine
MakeKomatsu
ModelSAA4D102E-2
Net Power75 hp56 kw
Displacement240 cu in3.9 L
Aspirationturbocharged and air-to-air aftercooled
Operational
Operating Weight15720 lb7130 kg
Fuel Capacity43.6 gal165 L
Cooling System Fluid Capacity7.1 gal27 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 Pressure6.3 psi43 kPa
Ground Contact Area2496 in21.6 m2
Standard Shoe Size16 in400 mm
Number of Shoes per Side38
Number of Track Rollers per Side5
Track Pitch57 in1450 mm
Track Gauge4.8 ft in1450 mm
Hydraulic System
Relief Valve Pressure2990 psi20615.3 kPa
Standard Blade
Blade Angle (both directions)25 degrees
Cutting Depth1.3 in385 mm
Dimensions
Length w/ Blade13.2 ft in4015 mm
Width Over Tracks6.1 ft in1850 mm
Height to Top of Cab8.8 ft in2700 mm
Length of Track on Ground6.6 ft in2010 mm
Ground Clearance1.3 ft in384 mm