Komatsu D39PX-22 Crawler dozers research

Engine model

SAA4D107E-1

Operating weight

9,890 kg

Blade capacity

2.37 m3

Max speed forward

8.53 kph

Drive type

Dual-path, hydrostatic transmission

Blade width

3 mm

Displacement

3261 cu cm

Aspiration

Turbocharged, air-to-air aftercooled

Gross power

79.79 kw

Alternator supplied amperage

35 Amh

Operating voltage

24 V

Number of cylinders

4

Net power

78.3 kw

Bore

10.92 cm

Stroke

12.45 cm

Length with blade

4.36 m

Blade height

0.91 mm

Ground clearance

0.4 m

Width over tracks

2.44 m

Final drives fluid cap

3.79 liters

Engine oil cap

15.14 liters

Ground contact area

76118.08 cm3

Number of shoes per side

39

Tracks length

2 m

Ground pressure

0.32 bar

Number of track rollers per side

6

Track width

63.5 cm

Track gauge

1.8 m

Pump flow cap

99.17 lpm

Relief valve pressure

274.61 bar

Pump type

Piston

Cooling fluid cap

23.09 liters

Fuel cap

195.31 liters

Hydraulic fluid cap

60.18 liters

Max speed reverse

8.53 kph

Number of reverse gears

3

Number of forward gears

3

Blade angle

25 degrees