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Komatsu D51 Crawler dozers tech specs

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Interior [2]
Exterior [4]
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2012-2023
3 m Blade width
Dual-path, hydrostatic transmission Drive type
269.87 liter Fuel cap
13,100 kg Operating weight
2.74 m Track length
71.12 cm Track width

A modern mid-size crawler dozer designed for grading, construction, and infrastructure work, the Komatsu D51 combines a 96.94 kilowatt turbocharged engine with a hydrostatic dual-path transmission and a 3 m blade. With 13,100 kg operating weight and low ground pressure, it delivers precise blade control, strong traction, and efficient earthmoving performance across construction and land development projects.

Net power 96.94 kilowatt

Net power 96.94 kilowatt

Engine model SAA6D107E-1

Operating weight 13,100 kg

Blade capacity 2.91 cu m

Blade width 3 m

Drive type Dual-path hydrostatic transmission

Drive type Dual-path hydrostatic transmission

Show features

Makana rating

Owner rating

 | 3

Market average

AED 430,000

Starting from

AED 350,000

Komatsu D51 Technical specifications

Engine

Alternator supplied amperage

60 Amh

Aspiration

turbocharged, air-to-air aftercooled

Displacement

6685.94 cu cm

Gross power

99.18 kw

Net power

96.94 kw

Number of cylinders

6

Power measured @

2,200 rpm

Blades

Blade angle

28 º

General

Blade capacity

2.91 cu m

Drive type

Dual-path, hydrostatic transmission

Engine model

SAA6D107E-1

Max speed forward

9.01 kph

Operating voltage

24 V

Operating weight

13,100 kg

Dimensions

Blade height

1.11 m

Ground clearance

0.4 m

Height - top of cab

3.02 m

Length with blade

4.82 m

Width over tracks

2.59 m

Operational specifications

Blade width

3 m

Service refill capacities

Cooling fluid cap

35.2 liter

Fuel cap

269.87 liter

Hydraulic fluid cap

62.83 liter

Refill capacities

Engine oil cap

20.06 liter

Final drives fluid cap

4.16 liter

Undercarriage

Ground contact area

99010.86 cu cm

Ground pressure

0.33 bar

Number of shoes per side

44

Number of track rollers per side

7

Track gauge

1.89 m

Track length

2.74 m

Track width

71.12 cm

Transmission

Max speed reverse

9.01 kph

Number of forward gears

3

Number of reverse gears

3

Hydraulic system

Pump flow cap

99.17 lpm

Pump type

Piston

Relief valve pressure

274.61 bar

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Download datasheets
OEM product brochure

Komatsu D51 expert review

Reviewed by Rizwan R. on March 15, 2026

Overview

The Komatsu D51 (2012–2023) is a modern crawler dozer designed for construction and grading work. Powered by a 96.94 kilowatt turbocharged engine and equipped with a 3 m blade, it delivers efficient earthmoving performance with precise control.

Expert rating: 5 stars

Pros Hydrostatic transmission provides precise blade control and smooth maneuverability.
Cons Smaller blade capacity compared with large production dozers.

Performance & Efficiency

The dual-path hydrostatic transmission allows precise track control and smooth operation, while the turbocharged six-cylinder engine provides efficient pushing performance for grading and site preparation.

In Comparison

Komatsu D50: Older mechanical dozer focused on durability.
Cat D8: Heavy production dozer used in large earthmoving projects.
Komatsu D51: Modern mid-size dozer emphasizing precision and efficiency.

Final Verdict

Rated 5 stars, the Komatsu D51 delivers efficient grading performance within the AED 350,000–430,000 price range.

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Komatsu D51 owner rating

Komatsu D51 Crawler dozers [2012-2023]

2012-2023

Overall rating

Based on 3 ratings

4.3
performance

4.3

comfort

4.3

fuel efficiency

4.3

safety

4.3

features

4.7

5 stars

33 %

4 stars

67 %

3 stars

0 %

2 stars

0 %

1 stars

0 %

Pros
Hydrostatic drive makes grading extremely smooth and easy to control.
Cons
Smaller blade capacity limits productivity in large earthmoving jobs.
performance

4.0

comfort

5.0

fuel efficiency

4.0

safety

5.0

features

4.0

Pros
Low ground pressure and wide tracks perform well on soft construction sites.
Cons
Higher purchase price compared with older mechanical dozers.
performance

5.0

comfort

4.0

fuel efficiency

5.0

safety

4.0

features

5.0

Read more

Valuation

Last 12 month
2012

Komatsu D51 similar models

Highlight differences
Komatsu D51PX-22
D51PX-22
Komatsu D50A-15
D50A-15
Cat D8T
D8T
Engine
Alternator supplied amperage 60 Amh
Alternator supplied amperage -
Alternator supplied amperage 100 Amh
Aspiration turbocharged, air-to-air aftercooled
Aspiration -
Aspiration Natural
Displacement 6,685.94 cu cm
Displacement 7,241.46 cu cm
Displacement 15,207 cm3
Gross power 99.18 kw
Gross power 67.11 kw
Gross power 268.76 kw
Net power 96.94 kw
Net power -
Net power 232.66 kw
Number of cylinders 6
Number of cylinders 4
Number of cylinders 6
Power measured @ 2,200 rpm
Power measured @ 1,750 rpm
Power measured @ 2,000 rpm
Torque measured @ -
Torque measured @ -
Torque measured @ 2,100 rpm
Max torque -
Max torque -
Max torque 3,100 Nm
Bore -
Bore -
Bore 110 cm
Stroke -
Stroke -
Stroke 90 cm
Years 2012-2023
Years 1993-2000
Years 2018-2024
Market Average AED 430,000
Market Average AED 125,000
Market Average AED 1,510,000
Price AED 350,000
Price AED 140,000
Price AED 1,375,000
Blades
Blade angle 28 º
Blade angle -
Blade angle 40 degrees
General
Blade capacity 2.91 cu m
Blade capacity 2.52 cu m
Blade capacity 10.3 cu m
Drive type Dual-path, hydrostatic transmission
Drive type Direct drive
Drive type Hydrostatic
Engine model SAA6D107E-1
Engine model S4D120
Engine model C15
Max speed forward 9.01 kph
Max speed forward 9.5 kph
Max speed forward 10.62 kph
Operating voltage 24 V
Operating voltage -
Operating voltage 24 V
Operating weight 13,100 kg
Operating weight 11,455 kg
Operating weight 38,351 kg
Engine power -
Engine power -
Engine power 365 hp
Dimensions
Blade height 1.11 m
Blade height 0.86 m
Blade height 165 cm
Ground clearance 0.4 m
Ground clearance 0.37 m
Ground clearance 0.64 m
Height - top of cab 3.02 m
Height - top of cab 2.68 m
Height - top of cab 3.6 m
Length with blade 4.82 m
Length with blade 4.66 m
Length with blade 6.1 m
Width over tracks 2.59 m
Width over tracks 2.07 m
Width over tracks 3 m
Length without blade -
Length without blade 3.57 m
Length without blade 4.63 m
Operational specifications
Blade width 3 m
Blade width 3 m
Blade width 3 m
Service refill capacities
Cooling fluid cap 35.2 liter
Cooling fluid cap 42.01 liter
Cooling fluid cap 76.84 liters
Fuel cap 269.87 liter
Fuel cap 240.35 liter
Fuel cap 600 liter
Hydraulic fluid cap 62.83 liter
Hydraulic fluid cap -
Hydraulic fluid cap 74.94 liter
Refill capacities
Engine oil cap 20.06 liter
Engine oil cap -
Engine oil cap 37.85 liter
Final drives fluid cap 4.16 liter
Final drives fluid cap -
Final drives fluid cap 12.49 liters
Undercarriage
Ground contact area 99,010.86 cu cm
Ground contact area -
Ground contact area 91,013.95 cu cm
Ground pressure 0.33 bar
Ground pressure 0.53 bar
Ground pressure 0.86 bar
Number of shoes per side 44
Number of shoes per side 39
Number of shoes per side 44
Number of track rollers per side 7
Number of track rollers per side 5
Number of track rollers per side 8
Track gauge 1.89 m
Track gauge 1.62 m
Track gauge 2.1 m
Track length 2.74 m
Track length 2.23 m
Track length -
Track width 71.12 cm
Track width 40.13 cm
Track width 610 mm
Track pitch -
Track pitch 17.53 cm
Track pitch 21.59 cm
Transmission
Max speed reverse 9.01 kph
Max speed reverse 8.05 kph
Max speed reverse 14.16 kph
Number of forward gears 3
Number of forward gears 4
Number of forward gears 3
Number of reverse gears 3
Number of reverse gears 3
Number of reverse gears 3
Hydraulic system
Pump flow cap 99.17 lpm
Pump flow cap -
Pump flow cap 276.31 lpm
Pump type Piston
Pump type -
Pump type piston-type, variable displacement
Relief valve pressure 274.61 bar
Relief valve pressure -
Relief valve pressure 393 bar

Crawler dozers. For sale.

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build datetime: 3/24/2026, 10:02:06 AM