Komatsu D45 Crawler dozers tech specs
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Video[1]
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Interior [2]
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Exterior [4]
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Attachments [2]
Komatsu D45 technical specifications
Highlight differences
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Blade height
Blade height 0.75 m
Blade height 0.9 m
Ground clearance
Ground clearance 0.37 m
Ground clearance 0.46 m
Height - top of cab
Height - top of cab 2.62 m
Height - top of cab 2.56 m
Length with blade
Length with blade 4.27 m
Length with blade 4.66 m
Length without blade
Length without blade 3.29 m
Length without blade 3.6 m
Width over tracks
Width over tracks 1.95 m
Width over tracks 2.5 m
Years
Years 1978-1983
Years 1978-1983
Market Average
Market Average AED 150,000
Market Average AED 150,000
Price
Price AED 110,000
Price AED 110,000
Blade width
Blade width 3.17 m
Blade width 3.02 m
Displacement
Displacement 3,980.43 cu cm
Displacement 4,331.11 cu cm
Drive type
Drive type TORQFLOW
Drive type TORQFLOW
Engine model
Engine model S4D105-1
Engine model S4D105-3
Max speed forward
Max speed forward 9.01 kph
Max speed forward -
Operating weight
Operating weight 9,550 kg
Operating weight 10,500 kg
Blade capacity
Blade capacity -
Blade capacity 2.45 cu m
Cooling fluid cap
Cooling fluid cap 43.15 liter
Cooling fluid cap -
Fuel cap
Fuel cap 210.07 liter
Fuel cap -
Gross power
Gross power 67.11 kw
Gross power 67.11 kw
Number of cylinders
Number of cylinders 4
Number of cylinders 4
Power measured @
Power measured @ 2,400 rpm
Power measured @ 2,400 rpm
Ground pressure
Ground pressure 0.5 bar
Ground pressure 0.24 bar
Number of shoes per side
Number of shoes per side 37
Number of shoes per side 43
Number of track rollers per side
Number of track rollers per side 5
Number of track rollers per side 6
Track gauge
Track gauge 1.55 m
Track gauge 1.77 m
Track length
Track length 2.07 m
Track length 2.59 m
Track pitch
Track pitch 17.53 cm
Track pitch 17.53 cm
Track width
Track width 40.13 cm
Track width 72.14 cm
Max speed reverse
Max speed reverse 10.94 kph
Max speed reverse -
Number of forward gears
Number of forward gears 3
Number of forward gears 3
Number of reverse gears
Number of reverse gears 3
Number of reverse gears 3
Download datasheets
Komatsu D45 expert review
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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.
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 %
Komatsu D45 similar models
Highlight differences
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Blade height
Blade height 0.75 m
Blade height 0.75 m
Blade height 0.75 m
Ground clearance
Ground clearance 0.37 m
Ground clearance 0.37 m
Ground clearance 0.37 m
Height - top of cab
Height - top of cab 2.62 m
Height - top of cab 2.62 m
Height - top of cab 2.8 m
Length with blade
Length with blade 4.27 m
Length with blade 4.27 m
Length with blade 4.27 m
Length without blade
Length without blade 3.29 m
Length without blade 3.29 m
Length without blade 3.41 m
Width over tracks
Width over tracks 1.95 m
Width over tracks 1.95 m
Width over tracks 1.95 m
Years
Years 1978-1983
Years 1979-1985
Years 1987-1992
Market Average
Market Average AED 150,000
Market Average AED 150,000
Market Average AED 180,000
Price
Price AED 110,000
Price AED 100,000
Price AED 130,000
Blade width
Blade width 3.17 m
Blade width 3.17 m
Blade width 3.2 m
Displacement
Displacement 3,980.43 cu cm
Displacement 3,980.43 cu cm
Displacement 6,490.93 cu cm
Drive type
Drive type TORQFLOW
Drive type Direct drive
Drive type Hydrostatic
Engine model
Engine model S4D105-1
Engine model S4D105
Engine model 6D105-1
Max speed forward
Max speed forward 9.01 kph
Max speed forward 9.66 kph
Max speed forward 7.72 kph
Operating weight
Operating weight 9,550 kg
Operating weight 9,320 kg
Operating weight 9,800 kg
Cooling fluid cap
Cooling fluid cap 43.15 liter
Cooling fluid cap 34.07 liter
Cooling fluid cap 33.31 liter
Fuel cap
Fuel cap 210.07 liter
Fuel cap 210.07 liter
Fuel cap 245.27 liter
Gross power
Gross power 67.11 kw
Gross power 59.66 kw
Gross power 69.35 kw
Number of cylinders
Number of cylinders 4
Number of cylinders 4
Number of cylinders 6
Power measured @
Power measured @ 2,400 rpm
Power measured @ 2,400 rpm
Power measured @ 2,350 rpm
Ground pressure
Ground pressure 0.5 bar
Ground pressure 0.5 bar
Ground pressure 0.5 bar
Number of shoes per side
Number of shoes per side 37
Number of shoes per side 37
Number of shoes per side 37
Number of track rollers per side
Number of track rollers per side 5
Number of track rollers per side 5
Number of track rollers per side 5
Track gauge
Track gauge 1.55 m
Track gauge 1.55 m
Track gauge 1.55 m
Track length
Track length 2.07 m
Track length 2.07 m
Track length 2.07 m
Track pitch
Track pitch 17.53 cm
Track pitch 17.53 cm
Track pitch 17.53 cm
Track width
Track width 40.13 cm
Track width 40.13 cm
Track width 40.13 cm
Max speed reverse
Max speed reverse 10.94 kph
Max speed reverse 7.72 kph
Max speed reverse 10.94 kph
Number of forward gears
Number of forward gears 3
Number of forward gears 4
Number of forward gears 3
Number of reverse gears
Number of reverse gears 3
Number of reverse gears 3
Number of reverse gears 3
Komatsu D45 gallery
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