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Komatsu D31A-17 Crawler dozers research

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2025

Komatsu D31A-17 Crawler dozers Technical specifications

General

Engine model

4D105-5

Operating weight

5,121 kg

Max speed forward

6.6 kph

Operational specifications

Drive type

planetary gear

Blade width

2 mm

Engine

Displacement

4326 cu cm

Gross power

49.22 kw

Dimensions

Length without blade

2.87 m

Blade height

0.75 mm

Width over tracks

1.86 m

Undercarriage

Tracks length

1 m

Ground pressure

0.41 bar

Number of track rollers per side

5

Track width

33.02 cm

Track gauge

1.46 m

Service refill capacities

Cooling fluid cap

22.33 liters

Fuel cap

115.06 liters

Transmission

Max speed reverse

7.24 kph

Number of reverse gears

3

Number of forward gears

3

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Download datasheets

Komatsu D31A-17 vs Komatsu D31E-20

Komatsu D31A-17 Crawler dozers

Komatsu D31E-20 Crawler dozers

General
Engine model
4D105-5
S4D102E
Operating weight
5,121 kg
6,290 kg
Max speed forward
6.6 kph
6.6 kph
Market Average
-
-
price
-
-
Years
2025
2025
Operational specifications
Drive type
planetary gear
Komatsu HYDROSHIFT transmission
Blade width
2 mm
-
Engine
Displacement
4,326 cu cm
3,921 cu cm
Gross power
49.22 kw
-
Aspiration
-
Turbocharged
Number of cylinders
-
4
Net power
-
52.2 kw
Dimensions
Length without blade
2.87 m
-
Blade height
0.75 mm
-
Width over tracks
1.86 m
-
Undercarriage
Tracks length
1 m
-
Ground pressure
0.41 bar
0.41 bar
Number of track rollers per side
5
5
Track width
33.02 cm
33.02 cm
Track gauge
1.46 m
1.46 m
Ground contact area
-
31,522.23 cm3
Number of shoes per side
-
37
Service refill capacities
Cooling fluid cap
22.33 liters
22.33 liters
Fuel cap
115.06 liters
115.06 liters
Transmission
Max speed reverse
7.24 kph
7.24 kph
Number of reverse gears
3
3
Number of forward gears
3
3
Refill capacities
Final drives fluid cap
-
9.84 liters
Engine oil cap
-
14 liters
Hydraulic system
Relief valve pressure
-
172 bar
Pump type
-
Gear driven

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