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Komatsu D50S Crawler loaders tech specs

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Exterior [4]
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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

A mid-size crawler loader designed for material handling, site preparation, and light excavation work, the Komatsu D50S combines 67.11 kilowatt engine power with a 1.38 cu m bucket and a durable crawler undercarriage. With about 12,350 kg operating weight, the machine suits construction sites and earthmoving projects where traction and steady loader performance are required.

Net power 67.11 kilowatt

Engine model 4D120-11

Operating weight 12,350 kg

Operating weight 12,350 kg

Bucket capacity 1.38 cu m

Engine displacement 7,243.1 cu cm

Engine displacement 7,243.1 cu cm

Makana rating

Owner rating

 | 3

Market average

AED 75,000

Starting from

AED 49,000

Komatsu D50S technical specifications

Highlight differences

Komatsu D50S-15

Komatsu D50S-16

General
Bucket capacity 1.38 cu m
Bucket capacity 1.45 cu m
Engine model 4D120-11
Engine model 4D130-1
Max speed forward 5.63 kph
Max speed forward 9.17 kph
Operating weight 12,350 kg
Operating weight 12,904 kg
Tipping load -
Tipping load 8,290 kg
Years 1974-1980
Years 1974-1980
Market Average AED 75,000
Market Average AED 75,000
Price AED 49,000
Price AED 49,000
Engine
Displacement 7,243.1 cu cm
Displacement 8,504.91 cu cm
Net power 67.11 kw
Net power 82.03 kw
Undercarriage
Ground pressure 0.69 bar
Ground pressure 0.72 bar
Track gauge 1.6 m
Track gauge 1.6 m
Track length 2.23 m
Track length 2.23 m
Dimensions
Length with bucket 5.12 m
Length with bucket 5.24 m
Width over tracks 2.07 m
Width over tracks 2.07 m
Ground clearance -
Ground clearance 0.37 m
Height - top of cab -
Height - top of cab 2.87 m
Loader
Breakout force -
Breakout force 10,472.51 kg
Loader dump height -
Loader dump height 2.8 m
Loader dump reach -
Loader dump reach 1.07 m
Download datasheets
OEM product brochure

Komatsu D50S expert review

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.

Show less

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 %

Pros
Large 1.38 cu m bucket helps move soil and gravel efficiently.
Cons
Travel speed is relatively slow for moving between work areas.
performance

4.0

comfort

4.0

fuel efficiency

4.0

safety

5.0

features

4.0

Valuation

Last 12 month
1974

Komatsu D50S similar models

Highlight differences
Komatsu D50S-15
Cat 951C
Cat 953 LGP
General
Bucket capacity 1.38 cu m
Bucket capacity 1.38 cu m
Bucket capacity 1.53 cu m
Engine model 4D120-11
Engine model 3304
Engine model 3204
Max speed forward 5.63 kph
Max speed forward 11.59 kph
Max speed forward 10.46 kph
Operating weight 12,350 kg
Operating weight 12,733 kg
Operating weight 14,362 kg
Operating voltage -
Operating voltage 24 V
Operating voltage -
Tipping load -
Tipping load 8,558 kg
Tipping load 8,749 kg
Years 1974-1980
Years 1982-2025
Years 1996-2025
Market Average AED 75,000
Market Average AED 384,000
Market Average AED 731,000
Price AED 49,000
Price AED 289,000
Price AED 310,000
Engine
Displacement 7,243.1 cu cm
Displacement 7,000.57 cu cm
Displacement 5,201.27 cu cm
Net power 67.11 kw
Net power 70.84 kw
Net power 82.03 kw
Alternator supplied amperage -
Alternator supplied amperage 19 Amh
Alternator supplied amperage -
Number of cylinders -
Number of cylinders 4
Number of cylinders -
Power measured @ -
Power measured @ 2,200 rpm
Power measured @ -
Undercarriage
Ground pressure 0.69 bar
Ground pressure -
Ground pressure 0.61 bar
Track gauge 1.6 m
Track gauge 1.53 m
Track gauge 1.8 m
Track length 2.23 m
Track length 2.16 m
Track length 2.32 m
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 39
Number of shoes 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 35.56 cm
Track width 50.04 cm
Dimensions
Length with bucket 5.12 m
Length with bucket 4.79 m
Length with bucket 5.88 m
Width over tracks 2.07 m
Width over tracks 1.98 m
Width over tracks 2.19 m
Ground clearance -
Ground clearance 0.43 m
Ground clearance 0.4 m
Height - top of cab -
Height - top of cab 2.9 m
Height - top of cab 3.08 m
Loader
Breakout force -
Breakout force 7,125.94 kg
Breakout force 11,972.59 kg
Loader dump height -
Loader dump height 2.77 m
Loader dump height 2.9 m
Loader dump reach -
Loader dump reach 1.07 m
Loader dump reach 1.04 m
Service refill capacities
Cooling fluid cap -
Cooling fluid cap 24.6 liter
Cooling fluid cap -
Fuel cap -
Fuel cap 197.2 liter
Fuel cap 192.28 liter
Hydraulic fluid cap -
Hydraulic fluid cap 73.81 liter
Hydraulic fluid cap 58.29 liter
Operating specifications
Raise time -
Raise time 7 s
Raise time 7 s
Lower time -
Lower time 2 s
Lower time 3 s
Refill capacities
Engine oil cap -
Engine oil cap 18.93 liter
Engine oil cap -
Final drives fluid cap -
Final drives fluid cap 9.84 liter
Final drives fluid cap -
Hydraulic system
Pump flow cap -
Pump flow cap 126.04 lpm
Pump flow cap -
Pump type -
Pump type Vane-type pump
Pump type -
Relief valve pressure -
Relief valve pressure 172.37 bar
Relief valve pressure -

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build datetime: 3/30/2026, 1:32:25 PM