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Komatsu HD325 Off-highway trucks
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Komatsu HD325 Off-highway trucks tech specs

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2017-2021
Komatsu SAA6D140E-3 Engine model
48,200 kg Operating weight
32,500 kg Payload
354 kW Net power
18.00-33 Tire size
48,200 kg Empty weight

The Komatsu HD325-7R (2017–2021 modelled on earlier generations) is a robust 6×6 rigid dump truck built for high-volume material hauls. It delivers roughly 36.5 t of payload, a 24 m³ (31.4 yd³) heaped tub, and is powered by a 518 hp Komatsu SAA6D140E engine. No fluff—just steady, effective hauling.

Engine: Komatsu SAA6D140E‑5, ~518 hp gross / ~498 hp net

Payload: ~36.5 t (40 US tons)

Body Volume: ~24 m³ / 31.4 yd³ (2:1 heaped SAE)

Empty Weight: ~31.65 t (31,650 kg)

Top Speed: ~57.5 km/h (68 km/h in later Tier 4-ready models)

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Makana rating

Owner rating

 | 1

Market average

AED 650,000

Starting from

AED 400,000

Komatsu HD325 technical specifications

Highlight differences

Komatsu HD325-7

Komatsu HD325-8

General
Engine model Komatsu SAA6D140E-3
Engine model Komatsu SAA6D140E-5
Operating weight 48,200 kg
Operating weight 48,800 kg
Transmission type K-ATOMiCS (7-speed)
Transmission type K-ATOMiCS (7-speed)
Payload 32,500 kg
Payload 33,000 kg
Max speed forward 58.5 kph
Max speed forward 58.5 kph
Tire size 18.00-33
Tire size 18.00-33
Years 2017-2021
Years 2017-2021
Market Average AED 650,000
Market Average AED 650,000
Price AED 400,000
Price AED 400,000
Service refill capacities
Fuel cap 700 liter
Fuel cap 700 liter
Transmission fluid cap 45 liter
Transmission fluid cap 45 liter
Engine
Displacement 14,000 cu cm
Displacement 14,000 cu cm
Max torque 1,941 Nm
Max torque 2,060 Nm
Net power 354 kW
Net power 372 kW
Hydraulic system
Relief valve pressure 219.94 bar
Relief valve pressure 219.94 bar
Operating specifications
Lower time 14 seconds
Lower time 14 seconds
Raise time 12 seconds
Raise time 12 seconds
Empty weight 48,200 kg
Empty weight 48,800 kg
Download datasheets
OEM product brochure

Komatsu HD325 expert review

Overview

Reliable heavy loader with features like ARSC retarder, hydropneumatic suspension, payload meter, and optional Komtrax telematics for smoother operation.

Pros Strong payload and powered platform.
Cab features and tech options improve uptime and comfort.
Cons Requires logistical planning due to size.
Older versions miss modern telematics and traction systems.

Performance & Efficiency

Efficient engine cycle with smart systems—auto-idle, retarder braking, and optional KTCS keep fuel use and stress down.

In Comparison

Steadier and more capable than smaller rigid trucks or ADTs—without stepping into oversize logistics.

Verdict

Stick to HD325 for pure, solid hauling. Move to the -8 spec if comfort, efficiency, and fleet intelligence matter to your site.

Komatsu HD325 owner rating

Komatsu HD325 Off-highway trucks [2017-2021]

2017-2021

Overall rating

Based on 0 ratings

4.0
performance

4.0

comfort

4.0

fuel efficiency

4.0

safety

5.0

features

4.0

5 stars

0 %

4 stars

100 %

3 stars

0 %

2 stars

0 %

1 stars

0 %

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Komatsu HD325 similar models

Highlight differences
Komatsu HD325-7
HD325-7
Komatsu HD405-6
HD405-6
Komatsu HD465-2
HD465-2
General
Engine model Komatsu SAA6D140E-3
Engine model Komatsu SAA6D170E-3
Engine model Komatsu SDA16V160
Operating weight 48,200 kg
Operating weight 67,500 kg
Operating weight 80,500 kg
Transmission type K-ATOMiCS (7-speed)
Transmission type K-ATOMiCS (7-speed)
Transmission type K-ATOMiCS (7-speed)
Payload 32,500 kg
Payload 45,000 kg
Payload 65,000 kg
Max speed forward 58.5 kph
Max speed forward 54 kph
Max speed forward 55 kph
Tire size 18.00-33
Tire size 24.00-35
Tire size 27.00-49
Years 2017-2021
Years 2006-2016
Years 2002-2005
Market Average AED 650,000
Market Average AED 450,000
Market Average AED 150,000
Price AED 400,000
Price AED 200,000
Price AED 75,000
Service refill capacities
Fuel cap 700 liter
Fuel cap 1,000 liter
Fuel cap 1,200 liter
Transmission fluid cap 45 liter
Transmission fluid cap 60 liter
Transmission fluid cap 75 liter
Engine
Displacement 14,000 cu cm
Displacement 16,700 cu cm
Displacement 27,200 cu cm
Max torque 1,941 Nm
Max torque 2,550 Nm
Max torque 4,300 Nm
Net power 354 kW
Net power 447 kW
Net power 634 kW
Hydraulic system
Relief valve pressure 219.94 bar
Relief valve pressure 219.94 bar
Relief valve pressure 219.94 bar
Operating specifications
Lower time 14 seconds
Lower time 16 seconds
Lower time 18 seconds
Raise time 12 seconds
Raise time 14 seconds
Raise time 16 seconds
Empty weight 48,200 kg
Empty weight 67,500 kg
Empty weight 80,500 kg

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