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Komatsu D39EX22 Crawler Dozer

The Komatsu D39EX22 Crawler Dozer boasts a powerful turbocharged, air-to-air aftercooled engine with a gross power of 80 horsepower and a net power of 78 horsepower. Equipped with a dual-path, hydrostatic transmission, this machine features a standard blade capacity of 2.2 cubic yards and can achieve a maximum speed of 5.3 mph both forward and in reverse. The dozer's hydraulic system offers a pump flow capacity of 26.2 gpm and a relief valve pressure of 3983 psi, making it suitable for a variety of earthmoving and construction tasks. With an operating weight of 18055.9 lbs and a fuel capacity of 51.6 gallons, the D39EX22 is a reliable and efficient choice for heavy-duty projects.


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General Specifications

Dimensions

Ground Clearance1 ft (0 m)
Height - Top of Cab9 ft (3 m)
Track Gauge6 ft (2 m)

Engine

AspirationTurbocharged air-to-air aftercooled
Bore4 in (11 cm)
Displacement199 cu in (3,261 cu cm)
Engine ModelKomatsu SAA4D107E-1*
Gross Power80 hp (60 kw)
Net Power78 hp (58 kw)
Number of Cylinders4
Power Measured @2200 rpm
Stroke5 in (12 cm)

Hydraulic System

Pump Flow Capacity26 gpm (99 lpm)
Relief Valve Pressure3983 psi

Operating Specifications

Alternator Supplied Amperage35 amps
Cooling System Fluid Capacity5 gal (18 l)
Engine Oil Capacity3 gal (11 l)
Final Drives Fluid Capacity1 gal (4 l)
Fuel Capacity52 gal (195 l)
Hydraulic Fluid Capacity16 gal (60 l)
Operating Voltage24 volts
Operating Weight18,056 lbs (8,190 kg)

Standard Blade

Blade Angle (both directions)25 degrees
Capacity2 cu yd (2 cu m)
Height33 in (84 cm)
Width8 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

Undercarriage

Ground Contact Area33,650,567 cu in (551,435,220 cu cm)
Ground Pressure6 psi
Track Gauge6 ft (2 m)