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Komatsu D39PX-21 KOMSTAT II Crawler Dozer

The Komatsu D39PX-21 KOMSTAT II Crawler Dozer is a powerful and efficient machine designed for various construction and earthmoving tasks. With a turbocharged and air-to-air aftercooled engine providing 95 horsepower, this dozer boasts impressive performance capabilities. Equipped with a dual-path hydrostatic transmission, the D39PX-21 offers smooth and precise control, allowing operators to navigate challenging terrains with ease. Additionally, the machine's well-balanced dimensions and standard blade features make it a versatile choice for a range of projects.


See all Komatsu D39PX-21 KOMSTAT IIs for sale

General Specifications

Dimensions

Height - Top of Cab9 ft (3 m)
Length of Track on Ground8 ft (2 m)
Length w/ Blade14 ft (4 m)
Width Over Tracks8 ft (2 m)

Engine

Aspirationturbocharged and air-to-air aftercooled
Displacement240 cu in (3,933 cu cm)
Engine ModelSAA4D102E-2
Net Power95 hp (71 kw)
Number of Cylinders4

Operating Specifications

Cooling System Fluid Capacity9 gal (32 l)
Engine Oil Capacity3 gal (12 l)
Final Drives Fluid Capacity1 gal (3 l)
Fuel Capacity44 gal (165 l)
Hydraulic Fluid Capacity12 gal (47 l)
Operating Weight19,620 lbs (8,899 kg)

Standard Blade

Blade Angle (both directions)25 degrees
Height3 in (8 cm)
Width11 ft (3 m)

Transmission

Max Speed - Forward5 mph (9 kph)
Max Speed - Reverse5 mph (9 kph)
Number of Forward Gears3
Number of Reverse Gears3
Transmission Typedual-path hydrostatic transmission

Undercarriage

Ground Contact Area4,645 cu in (76,118 cu cm)
Ground Pressure4.3 psi
Number of Shoes per Side39
Number of Track Rollers per Side6
Standard Shoe Size25 in (63 cm)
Track Gauge6 ft (2 m)
Track Pitch70 in (178 cm)