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Komatsu D39PX-22 Crawler Dozer


Ground Clearance1.3 ft (0 m)
Height - Top of Cab9.4 ft (3 m)
Length of Track on Ground7.8 ft (2 m)
Length w/ Blade14.3 ft (4 m)
Width Over Tracks8 ft in (20 cm)


AspirationTurbocharged, air-to-air aftercooled
Displacement272 cu in (0 m)
Engine ModelSAA4D107E-1
Gross Power107 hp (80 kw)
Net Power105 hp (78 kw)
Number of Cylinders4
Power Measured @2200 rpm

Hydraulic System

Pump Flow Capacity26.2 gal/min (99 l/min)
Pump typePiston-type
Relief Valve Pressure3983 psi

Operating Specifications

Alternator Supplied Amperage35 A
Cooling System Fluid Capacity6.1 gal (23 l)
Engine Oil Capacity4 gal (15 l)
Final Drives Fluid Capacity1 gal (4 l)
Fuel Capacity51.6 gal (195 l)
Hydraulic Fluid Capacity15.9 gal (60 l)
Operating Voltage24 V V
Operating Weight21803.8 lbs (9,890 kg)

Standard Blade

Blade Angle (both directions)25 °
Capacity3.1 cu yds (2 m)
Height35.9 in (91 cm)
Width10.7 ft (3 m)


Max Speed - Forward5.3 mph (9 kph)
Max Speed - Reverse5.3 mph (9 kph)
Number of Forward Gears3
Number of Reverse Gears3
Transmission TypeDual-path, hydrostatic


Ground Contact Area4645 cu in (0 m)
Ground Pressure4.7 psi
Number of Shoes per Side39
Number of Track Rollers per Side6
Standard Shoe Size25 in (64 cm)
Track Gauge5.9 ft (2 m)

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