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Komatsu D45S Crawler loaders tech specs

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1979-1986
6,001.03 kg Breakout force
1.22 cu m Bucket capacity
S4D105 Engine model
2.62 m Loader dump height
67.11 kw Net power
10,940 kg Operating weight

A compact crawler loader designed for site preparation, material handling, and light earthmoving work, the Komatsu D45S combines 67.11 kilowatt engine power with a 1.22 cu m bucket and stable tracked undercarriage. With about 10,940 kg operating weight and strong breakout force, it suits construction sites, landscaping, and utility work where traction and pushing capability are needed alongside loader functionality.

Net power 67.11 kilowatt

Engine model S4D105

Operating weight 10,940 kg

Bucket capacity 1.22 cu m

Breakout force 6,001.03 kg

Loader dump height 2.62 m

Fuel tank capacity 210.07 liters

Crawler undercarriage for traction on loose ground

Makana rating

Owner rating

 | 3

Market average

AED 36,000

Starting from

AED 17,000

Komatsu D45S Technical specifications

Loader

Breakout force

6001.03 kg

Loader dump height

2.62 m

Loader dump reach

1.04 m

General

Bucket capacity

1.22 cu m

Engine model

S4D105

Max speed forward

8.21 kph

Operating weight

10,940 kg

Tipping load

7,121 kg

Service refill capacities

Cooling fluid cap

43.15 liter

Fuel cap

210.07 liter

Engine

Displacement

4326.19 cu cm

Net power

67.11 kw

Undercarriage

Ground pressure

0.65 bar

Number of track rollers per side

5

Track gauge

1.54 m

Track length

2.07 m

Track width

40.13 cm

Dimensions

Length with bucket

4.94 m

Width over tracks

1.95 m

View more
Download datasheets
OEM product brochure

Komatsu D45S expert review

Reviewed by Rizwan R. on March 15, 2026

Overview

The Komatsu D45S (1979–1986) is a crawler loader designed for site preparation, loading, and material handling tasks. With a 67.11 kilowatt engine, 1.22 cu m bucket capacity, and 10,940 kg operating weight, it delivers stable loading performance on rough terrain.

Expert rating: 3 stars

Pros Strong breakout force and crawler traction for reliable loading on soft ground.
Cons Slower travel speed and limited dump height compared with modern loaders.

Performance & Efficiency

The S4D105 engine provides steady power for loading operations while the crawler undercarriage maintains traction and stability on uneven terrain.

In Comparison

Cat 951: Durable crawler loader with similar operating role.
Cat 953: Larger machine offering higher productivity.
Komatsu D45S: Balanced loader focused on traction and reliable loading performance.

Final Verdict

Rated 3 stars, the Komatsu D45S offers dependable crawler loader capability within the AED 17,000–36,000 price range.

Show less

Komatsu D45S owner rating

Komatsu D45S Crawler loaders [1979-1986]

1979-1986

Overall rating

Based on 3 ratings

4.0
performance

3.7

comfort

4.3

fuel efficiency

4.0

safety

4.3

features

3.7

5 stars

0 %

4 stars

100 %

3 stars

0 %

2 stars

0 %

1 stars

0 %

Pros
Strong breakout force helps dig into compacted soil and gravel piles.
Cons
Limited dump height makes loading larger trucks more difficult.
performance

3.0

comfort

4.0

fuel efficiency

4.0

safety

4.0

features

3.0

Valuation

Last 12 month
1979

Komatsu D45S similar models

Highlight differences
Komatsu D45S
Cat 951C
Cat 953 LGP
Loader
Breakout force 6,001.03 kg
Breakout force 7,125.94 kg
Breakout force 11,972.59 kg
Loader dump height 2.62 m
Loader dump height 2.77 m
Loader dump height 2.9 m
Loader dump reach 1.04 m
Loader dump reach 1.07 m
Loader dump reach 1.04 m
Years 1979-1986
Years 1982-2025
Years 1996-2025
Market Average AED 36,000
Market Average AED 384,000
Market Average AED 731,000
Price AED 17,000
Price AED 289,000
Price AED 310,000
General
Bucket capacity 1.22 cu m
Bucket capacity 1.38 cu m
Bucket capacity 1.53 cu m
Engine model S4D105
Engine model 3304
Engine model 3204
Max speed forward 8.21 kph
Max speed forward 11.59 kph
Max speed forward 10.46 kph
Operating weight 10,940 kg
Operating weight 12,733 kg
Operating weight 14,362 kg
Tipping load 7,121 kg
Tipping load 8,558 kg
Tipping load 8,749 kg
Operating voltage -
Operating voltage 24 V
Operating voltage -
Service refill capacities
Cooling fluid cap 43.15 liter
Cooling fluid cap 24.6 liter
Cooling fluid cap -
Fuel cap 210.07 liter
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
Engine
Displacement 4,326.19 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 0.65 bar
Ground pressure -
Ground pressure 0.61 bar
Number of track rollers per side 5
Number of track rollers per side 5
Number of track rollers per side 6
Track gauge 1.54 m
Track gauge 1.53 m
Track gauge 1.8 m
Track length 2.07 m
Track length 2.16 m
Track length 2.32 m
Track width 40.13 cm
Track width 35.56 cm
Track width 50.04 cm
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 -
Dimensions
Length with bucket 4.94 m
Length with bucket 4.79 m
Length with bucket 5.88 m
Width over tracks 1.95 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
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