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Komatsu D21P-8 Crawler dozers research

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2025

Komatsu D21P-8 Crawler dozers Technical specifications

General

Engine model

4D94LE-2

Operating weight

4,241 kg

Blade capacity

19.11 m3

Max speed forward

4.35 kph

Operational specifications

Drive type

Komatsu HYDROSHIFT transmission

Blade width

2 mm

Engine

Displacement

3048 cu cm

Aspiration

Naturally aspirated

Gross power

32.14 kw

Number of cylinders

4

Net power

29.83 kw

Dimensions

Length with blade

3.38 m

Blade height

0.69 mm

Width over tracks

1.52 m

Refill capacities

Final drives fluid cap

7.95 liters

Engine oil cap

6.43 liters

Undercarriage

Ground contact area

43655.23 cm3

Number of shoes per side

37

Ground pressure

0.21 bar

Number of track rollers per side

5

Track width

50.8 cm

Service refill capacities

Cooling fluid cap

9.84 liters

Fuel cap

60.18 liters

Hydraulic fluid cap

20.82 liters

Transmission

Max speed reverse

5.63 kph

Number of reverse gears

2

Number of forward gears

2

Blades

Blade angle

25 degrees

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Komatsu D21P-8 vs Komatsu D21PL-7E

Komatsu D21P-8 Crawler dozers

Komatsu D21PL-7E Crawler dozers

General
Engine model
4D94LE-2
4D94E
Operating weight
4,241 kg
4,110 kg
Blade capacity
19.11 m3
-
Max speed forward
4.35 kph
-
Market Average
-
-
price
-
-
Years
2025
2025
Operational specifications
Drive type
Komatsu HYDROSHIFT transmission
HS
Blade width
2 mm
2 mm
Engine
Displacement
3,048 cu cm
2,775 cu cm
Aspiration
Naturally aspirated
-
Gross power
32.14 kw
29.83 kw
Number of cylinders
4
-
Net power
29.83 kw
-
Dimensions
Length with blade
3.38 m
3.47 m
Blade height
0.69 mm
0.59 mm
Width over tracks
1.52 m
2.19 m
Length without blade
-
2.65 m
Ground clearance
-
0.37 m
Refill capacities
Final drives fluid cap
7.95 liters
-
Engine oil cap
6.43 liters
-
Undercarriage
Ground contact area
43,655.23 cm3
-
Number of shoes per side
37
-
Ground pressure
0.21 bar
-
Number of track rollers per side
5
6
Track width
50.8 cm
70.1 cm
Track pitch
-
13.72 cm
Tracks length
-
1 m
Track gauge
-
1.49 m
Service refill capacities
Cooling fluid cap
9.84 liters
-
Fuel cap
60.18 liters
-
Hydraulic fluid cap
20.82 liters
-
Transmission
Max speed reverse
5.63 kph
-
Number of reverse gears
2
2
Number of forward gears
2
2
Blades
Blade angle
25 degrees
-

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