Komatsu D50S Crawler loaders 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 [1]
1974-1980
1.38 cu m Bucket capacity
7,243.1 cu cm Displacement
4D120-11 Engine model
5.63 kph Max speed forward
67.11 kw Net power
12,350 kg Operating weight
Makana rating
Owner rating
Market average
AED 75,000Starting from
AED 49,000Komatsu D50S technical specifications
Highlight differences
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Komatsu D50S-15
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Komatsu D50S-16
Bucket capacity
Bucket capacity 1.38 cu m
Bucket capacity 1.45 cu m
Displacement
Displacement 7,243.1 cu cm
Displacement 8,504.91 cu cm
Engine model
Engine model 4D120-11
Engine model 4D130-1
Max speed forward
Max speed forward 5.63 kph
Max speed forward 9.17 kph
Operating weight
Operating weight 12,350 kg
Operating weight 12,904 kg
Loader dump height
Loader dump height -
Loader dump height 2.8 m
Loader dump reach
Loader dump reach -
Loader dump reach 1.07 m
Tipping load
Tipping load -
Tipping load 8,290 kg
Years
Years 1974-1980
Years 1974-1980
Market Average
Market Average AED 75,000
Market Average AED 75,000
Price
Price AED 49,000
Price AED 49,000
Ground pressure
Ground pressure 0.69 bar
Ground pressure 0.72 bar
Track gauge
Track gauge 1.6 m
Track gauge 1.6 m
Track length
Track length 2.23 m
Track length 2.23 m
Length with bucket
Length with bucket 5.12 m
Length with bucket 5.24 m
Width over tracks
Width over tracks 2.07 m
Width over tracks 2.07 m
Ground clearance
Ground clearance -
Ground clearance 0.37 m
Height - top of cab
Height - top of cab -
Height - top of cab 2.87 m
Net power
Net power 67.11 kw
Net power 82.03 kw
Breakout force
Breakout force -
Breakout force 10,472.51 kg
Download datasheets
Komatsu D50S expert review
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Reviewed by Hussain E. on March 15, 2026 Overview
The Komatsu D50S (1974–1980) is a crawler loader designed for material handling and site preparation work. With a 67.11 kilowatt engine, 1.38 cu m bucket capacity, and 12,350 kg operating weight, it provides stable loading performance on uneven terrain.
Expert rating: 3 stars
Pros
Strong crawler traction and large bucket capacity for loading operations.
Cons
Slower travel speed compared with wheeled loaders.
Performance & Efficiency
The diesel engine provides steady power for loading work while the crawler undercarriage ensures stable traction on uneven construction terrain.
In Comparison
Cat 951: Similar crawler loader known for durability.
Cat 953: Larger machine offering higher bucket capacity and productivity.
Komatsu D50S: Balanced loader focused on traction and dependable loading.
Final Verdict
Rated 3 stars, the Komatsu D50S provides practical crawler loader capability within the AED 49,000–75,000 price range.
Komatsu D50S owner rating
Komatsu D50S Crawler loaders [1974-1980]
1974-1980
Overall rating
Based on 3 ratings
4.0
performance
4.3
comfort
4.0
fuel efficiency
4.0
safety
4.3
features
4.3
5 stars
0 %
4 stars
100 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Komatsu D50S similar models
Highlight differences
Komatsu D50S-15
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Cat 951C
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Cat 953 LGP
Bucket capacity
Bucket capacity 1.38 cu m
Bucket capacity 1.38 cu m
Bucket capacity 1.53 cu m
Displacement
Displacement 7,243.1 cu cm
Displacement 7,000.57 cu cm
Displacement 5,201.27 cu cm
Engine model
Engine model 4D120-11
Engine model 3304
Engine model 3204
Max speed forward
Max speed forward 5.63 kph
Max speed forward 11.59 kph
Max speed forward 10.46 kph
Operating weight
Operating weight 12,350 kg
Operating weight 12,733 kg
Operating weight 14,362 kg
Loader dump height
Loader dump height -
Loader dump height 2.77 m
Loader dump height 2.9 m
Loader dump reach
Loader dump reach -
Loader dump reach 1.07 m
Loader dump reach 1.04 m
Operating voltage
Operating voltage -
Operating voltage 24 V
Operating voltage -
Tipping load
Tipping load -
Tipping load 8,558 kg
Tipping load 8,749 kg
Years
Years 1974-1980
Years 1982-2025
Years 1996-2025
Market Average
Market Average AED 75,000
Market Average AED 384,000
Market Average AED 731,000
Price
Price AED 49,000
Price AED 289,000
Price AED 310,000
Ground pressure
Ground pressure 0.69 bar
Ground pressure -
Ground pressure 0.61 bar
Track gauge
Track gauge 1.6 m
Track gauge 1.53 m
Track gauge 1.8 m
Track length
Track length 2.23 m
Track length 2.16 m
Track length 2.32 m
Ground contact area
Ground contact area -
Ground contact area 38,609.65 cu cm
Ground contact area 58,421.65 cu cm
Number of shoes per side
Number of shoes per side -
Number of shoes per side 39
Number of shoes per side -
Number of track rollers per side
Number of track rollers per side -
Number of track rollers per side 5
Number of track rollers per side 6
Track width
Track width -
Track width 35.56 cm
Track width 50.04 cm
Length with bucket
Length with bucket 5.12 m
Length with bucket 4.79 m
Length with bucket 5.88 m
Width over tracks
Width over tracks 2.07 m
Width over tracks 1.98 m
Width over tracks 2.19 m
Ground clearance
Ground clearance -
Ground clearance 0.43 m
Ground clearance 0.4 m
Height - top of cab
Height - top of cab -
Height - top of cab 2.9 m
Height - top of cab 3.08 m
Net power
Net power 67.11 kw
Net power 70.84 kw
Net power 82.03 kw
Alternator supplied amperage
Alternator supplied amperage -
Alternator supplied amperage 19 Amh
Alternator supplied amperage -
Number of cylinders
Number of cylinders -
Number of cylinders 4
Number of cylinders -
Power measured @
Power measured @ -
Power measured @ 2,200 rpm
Power measured @ -
Breakout force
Breakout force -
Breakout force 7,125.94 kg
Breakout force 11,972.59 kg
Cooling fluid cap
Cooling fluid cap -
Cooling fluid cap 24.6 liter
Cooling fluid cap -
Fuel cap
Fuel cap -
Fuel cap 197.2 liter
Fuel cap 192.28 liter
Hydraulic fluid cap
Hydraulic fluid cap -
Hydraulic fluid cap 73.81 liter
Hydraulic fluid cap 58.29 liter
Raise time
Raise time -
Raise time 7 s
Raise time 7 s
Lower time
Lower time -
Lower time 2 s
Lower time 3 s
Engine oil cap
Engine oil cap -
Engine oil cap 18.93 liter
Engine oil cap -
Final drives fluid cap
Final drives fluid cap -
Final drives fluid cap 9.84 liter
Final drives fluid cap -
Pump flow cap
Pump flow cap -
Pump flow cap 126.04 lpm
Pump flow cap -
Pump type
Pump type -
Pump type Vane-type pump
Pump type -
Relief valve pressure
Relief valve pressure -
Relief valve pressure 172.37 bar
Relief valve pressure -
Komatsu D50S gallery
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