Komatsu D39EX-21 Crawler Dozer Specs

Category: Crawler Dozers ➔
Manufacturer: Komatsu ➔
Model: D39EX-21 ➔

Dimensions

Komatsu D39EX-21 Crawler Dozer Dimensions specifications
Height - Top of Cab	9.10 ft (2.77 m)
Length of Track on Ground	7.80 ft (2.38 m)
Length w/ Blade	13.80 ft (4.21 m)
Width Over Tracks	7.00 ft (2.13 m)

Engine

Komatsu D39EX-21 Crawler Dozer Engine specifications
Aspiration	turbocharged and air-to-air aftercooled
Displacement	240.00 cu in (3,932.90 cu cm)
Engine Model	SAA4D102E-2
Net Power	95.00 hp (70.84 kw)

Operating Specifications

Komatsu D39EX-21 Crawler Dozer Operating Specifications specifications
Cooling System Fluid Capacity	8.50 gal (32.17 l)
Engine Oil Capacity	3.30 gal (12.49 l)
Final Drives Fluid Capacity	0.90 gal (3.41 l)
Fuel Capacity	43.60 gal (165.03 l)
Hydraulic Fluid Capacity	12.40 gal (46.93 l)
Operating Weight	18,780.00 lbs (8,518.48 kg)

Standard Blade

Komatsu D39EX-21 Crawler Dozer Standard Blade specifications
Blade Angle (both directions)	25 degrees
Height	3.00 in (7.62 cm)
Width	9.00 ft (2.74 m)

Transmission

Komatsu D39EX-21 Crawler Dozer Transmission specifications
Max Speed - Forward	5.30 mph (8.53 kph)
Max Speed - Reverse	5.30 mph (8.53 kph)
Number of Forward Gears	3
Number of Reverse Gears	3
Transmission Type	dual path hydrostatic transmission

Undercarriage

Komatsu D39EX-21 Crawler Dozer Undercarriage specifications
Ground Contact Area	3,365.00 cu in (55,142.59 cu cm)
Ground Pressure	5.6 psi
Number of Shoes per Side	39
Number of Track Rollers per Side	6
Standard Shoe Size	18.00 in (45.72 cm)
Track Gauge	5.50 ft (1.68 m)
Track Pitch	65.00 in (165.10 cm)

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