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Komatsu D21A-6 Crawler dozers research

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2025

Komatsu D21A-6 Crawler dozers Technical specifications

General

Engine model

4D95S

Operating weight

3,600 kg

Operational specifications

Drive type

HS

Blade width

2 mm

Engine

Displacement

2690 cu cm

Gross power

29.83 kw

Number of cylinders

4

Dimensions

Length with blade

3.41 m

Length without blade

2.56 m

Blade height

0.59 mm

Ground clearance

0.3 m

Width over tracks

1.62 m

Undercarriage

Number of shoes per side

37

Track pitch

13.72 cm

Tracks length

1 m

Number of track rollers per side

5

Track width

30.23 cm

Track gauge

1.31 m

Transmission

Number of reverse gears

2

Number of forward gears

2

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Download datasheets

Komatsu D21A-6 vs Komatsu D21A-7

Komatsu D21A-6 Crawler dozers

Komatsu D21A-7 Crawler dozers

General
Engine model
4D95S
4D95S
Operating weight
3,600 kg
3,600 kg
Market Average
-
-
price
-
-
Years
2025
2025
Operational specifications
Drive type
HS
HS
Blade width
2 mm
2 mm
Engine
Displacement
2,690 cu cm
2,690 cu cm
Gross power
29.83 kw
29.83 kw
Number of cylinders
4
4
Dimensions
Length with blade
3.41 m
3.41 m
Length without blade
2.56 m
2.56 m
Blade height
0.59 mm
0.59 mm
Ground clearance
0.3 m
0.3 m
Width over tracks
1.62 m
1.62 m
Undercarriage
Number of shoes per side
37
-
Track pitch
13.72 cm
13.72 cm
Tracks length
1 m
1 m
Number of track rollers per side
5
5
Track width
30.23 cm
30.23 cm
Track gauge
1.31 m
1.31 m
Transmission
Number of reverse gears
2
2
Number of forward gears
2
2

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