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Komatsu D45 Crawler dozers tech specs

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Video[1]
Interior [2]
Exterior [4]
Attachments [2]
1978-1983
3.17 m Blade width
TORQFLOW Drive type
210.07 liter Fuel cap
9,550 kg Operating weight
2.07 m Track length
40.13 cm Track width

A mid-size crawler dozer designed for grading, site preparation, and light earthmoving work, the Komatsu D45 combines a 3 m blade with Komatsu’s TORQFLOW power-shift transmission for dependable pushing performance. With about 9,550 kg operating weight and a stable crawler undercarriage, it suits construction sites, road preparation, and agricultural land clearing where steady traction and simple mechanical durability are priorities.

Operating weight 9,550 kg

Blade width 3 m

Drive type TORQFLOW power-shift

Fuel tank capacity 210.07 liters

Track length 2.07 m

Track width 40.13 cm

Crawler undercarriage for stable traction on uneven ground

Makana rating

Owner rating

 | 3

Market average

AED 150,000

Starting from

AED 110,000

Komatsu D45 technical specifications

Highlight differences

Komatsu D45A-1

Komatsu D45P-1

Dimensions
Blade height 0.75 m
Blade height 0.9 m
Ground clearance 0.37 m
Ground clearance 0.46 m
Height - top of cab 2.62 m
Height - top of cab 2.56 m
Length with blade 4.27 m
Length with blade 4.66 m
Length without blade 3.29 m
Length without blade 3.6 m
Width over tracks 1.95 m
Width over tracks 2.5 m
Years 1978-1983
Years 1978-1983
Market Average AED 150,000
Market Average AED 150,000
Price AED 110,000
Price AED 110,000
General
Blade width 3.17 m
Blade width 3.02 m
Displacement 3,980.43 cu cm
Displacement 4,331.11 cu cm
Drive type TORQFLOW
Drive type TORQFLOW
Engine model S4D105-1
Engine model S4D105-3
Max speed forward 9.01 kph
Max speed forward -
Operating weight 9,550 kg
Operating weight 10,500 kg
Blade capacity -
Blade capacity 2.45 cu m
Service refill capacities
Cooling fluid cap 43.15 liter
Cooling fluid cap -
Fuel cap 210.07 liter
Fuel cap -
Engine
Gross power 67.11 kw
Gross power 67.11 kw
Number of cylinders 4
Number of cylinders 4
Power measured @ 2,400 rpm
Power measured @ 2,400 rpm
Undercarriage
Ground pressure 0.5 bar
Ground pressure 0.24 bar
Number of shoes per side 37
Number of shoes per side 43
Number of track rollers per side 5
Number of track rollers per side 6
Track gauge 1.55 m
Track gauge 1.77 m
Track length 2.07 m
Track length 2.59 m
Track pitch 17.53 cm
Track pitch 17.53 cm
Track width 40.13 cm
Track width 72.14 cm
Transmission
Max speed reverse 10.94 kph
Max speed reverse -
Number of forward gears 3
Number of forward gears 3
Number of reverse gears 3
Number of reverse gears 3
Download datasheets
OEM product brochure

Komatsu D45 expert review

Reviewed by Marcis V. on March 15, 2026

Overview

The Komatsu D45 (1978–1983) is a mid-size crawler dozer designed for grading and site preparation work. With an operating weight of 9,550 kg and a 3 m blade width, it delivers dependable pushing performance for construction and land clearing tasks.

Expert rating: 3 stars

Pros TORQFLOW transmission provides smoother power transfer and reliable pushing performance.
Cons Older crawler dozer design with limited operator comfort features.

Performance & Efficiency

The crawler undercarriage provides stable traction on uneven terrain while the TORQFLOW transmission ensures smooth power delivery during pushing and grading work.

In Comparison

Komatsu D40: Slightly lighter dozer with simpler drivetrain.
Komatsu D41: Hydrostatic system offers smoother speed control.
Komatsu D45: Balanced design with durable TORQFLOW transmission.

Final Verdict

Rated 3 stars, the Komatsu D45 provides dependable grading performance within the AED 110,000–150,000 price range.

Show less

Komatsu D45 owner rating

Komatsu D45 Crawler dozers [1978-1983]

1978-1983

Overall rating

Based on 3 ratings

3.0
performance

4.0

comfort

4.3

fuel efficiency

4.0

safety

4.3

features

3.7

5 stars

0 %

4 stars

67 %

3 stars

0 %

2 stars

0 %

1 stars

33 %

Pros
TORQFLOW transmission provides smoother shifting during pushing and grading work.
Cons
Older design lacks modern cab comfort and control systems.
performance

4.0

comfort

4.0

fuel efficiency

4.0

safety

4.0

features

3.0

Valuation

Last 12 month
1978

Komatsu D45 similar models

Highlight differences
Komatsu D45A-1
Komatsu D40A-1
Komatsu D41A-3
Dimensions
Blade height 0.75 m
Blade height 0.75 m
Blade height 0.75 m
Ground clearance 0.37 m
Ground clearance 0.37 m
Ground clearance 0.37 m
Height - top of cab 2.62 m
Height - top of cab 2.62 m
Height - top of cab 2.8 m
Length with blade 4.27 m
Length with blade 4.27 m
Length with blade 4.27 m
Length without blade 3.29 m
Length without blade 3.29 m
Length without blade 3.41 m
Width over tracks 1.95 m
Width over tracks 1.95 m
Width over tracks 1.95 m
Years 1978-1983
Years 1979-1985
Years 1987-1992
Market Average AED 150,000
Market Average AED 150,000
Market Average AED 180,000
Price AED 110,000
Price AED 100,000
Price AED 130,000
General
Blade width 3.17 m
Blade width 3.17 m
Blade width 3.2 m
Displacement 3,980.43 cu cm
Displacement 3,980.43 cu cm
Displacement 6,490.93 cu cm
Drive type TORQFLOW
Drive type Direct drive
Drive type Hydrostatic
Engine model S4D105-1
Engine model S4D105
Engine model 6D105-1
Max speed forward 9.01 kph
Max speed forward 9.66 kph
Max speed forward 7.72 kph
Operating weight 9,550 kg
Operating weight 9,320 kg
Operating weight 9,800 kg
Service refill capacities
Cooling fluid cap 43.15 liter
Cooling fluid cap 34.07 liter
Cooling fluid cap 33.31 liter
Fuel cap 210.07 liter
Fuel cap 210.07 liter
Fuel cap 245.27 liter
Engine
Gross power 67.11 kw
Gross power 59.66 kw
Gross power 69.35 kw
Number of cylinders 4
Number of cylinders 4
Number of cylinders 6
Power measured @ 2,400 rpm
Power measured @ 2,400 rpm
Power measured @ 2,350 rpm
Undercarriage
Ground pressure 0.5 bar
Ground pressure 0.5 bar
Ground pressure 0.5 bar
Number of shoes per side 37
Number of shoes per side 37
Number of shoes per side 37
Number of track rollers per side 5
Number of track rollers per side 5
Number of track rollers per side 5
Track gauge 1.55 m
Track gauge 1.55 m
Track gauge 1.55 m
Track length 2.07 m
Track length 2.07 m
Track length 2.07 m
Track pitch 17.53 cm
Track pitch 17.53 cm
Track pitch 17.53 cm
Track width 40.13 cm
Track width 40.13 cm
Track width 40.13 cm
Transmission
Max speed reverse 10.94 kph
Max speed reverse 7.72 kph
Max speed reverse 10.94 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

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build datetime: 7/3/2026, 7:04:11 AM