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Komatsu D39EX-21 KOMSTAT II Crawler Dozer

The Komatsu D39EX-21 KOMSTAT II Crawler Dozer is a powerful and versatile machine designed to tackle a variety of earthmoving tasks with ease. With a turbocharged and air-to-air aftercooled engine providing 95 horsepower, this bulldozer offers efficient performance in a compact package. Operating at an weight of 18,780 pounds, the dozer features a 9-foot wide blade and a dual path, hydrostatic transmission with 3 forward and 3 reverse gears. With its durable undercarriage and impressive ground contact area, the Komatsu D39EX-21 KOMSTAT II is capable of handling tough terrain and demanding job sites with precision and reliability.


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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 Tracks7 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)

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 Weight18,780 lbs (8,518 kg)

Standard Blade

Blade Angle (both directions)25 degrees
Height3 in (8 cm)
Width9 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 Area3,365 cu in (55,143 cu cm)
Ground Pressure5.6 psi
Number of Shoes per Side39
Number of Track Rollers per Side6
Standard Shoe Size18 in (46 cm)
Track Gauge6 ft (2 m)
Track Pitch65 in (165 cm)