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Komatsu D65PX vs Thwaites 6 Tonne Power Swivel

The Komatsu D65PX has 100kW more power.

Last reviewed 13 September 2026

Komatsu D65PX
Komatsu D65PX - image: Komatsu
Thwaites 6 Tonne Power Swivel
Thwaites 6 Tonne Power Swivel - image: Molson Group

Key differences

Specifications side by side

Komatsu D65PXThwaites 6 Tonne Power Swivel
Engine power155kW (208hp) at 1950rpm55.4 kW (74 hp) @ 2200rpm
Operating weight21,000kg-
Blade capacity3.69m3 (straight tilt dozer)-
Payload-6000 kg
Heaped capacity-3150 litres
Engine-Deutz TCD 3.6 L4

Sources: Komatsu D65PX, Thwaites 6 Tonne Power Swivel. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the D65PX if...

  • you want one that has 100kW more power

The wide-track, low ground pressure version of Komatsu's D65 dozer, used on soft or sensitive ground where a standard-track machine would sink or damage the surface, such as landfill and reclamation work.

Listed by

Full D65PX specifications →

Buy or hire the 6 Tonne Power Swivel if...

A 6 tonne dumper whose skip swivels so it can tip to either side, useful for loading into trenches and working along narrow roads or site edges. Used by groundworks and utility contractors on UK sites. A cab is listed as an option.

Full 6 Tonne Power Swivel specifications →

Common questions

What is the difference between the Komatsu D65PX and the Thwaites 6 Tonne Power Swivel?

The Komatsu D65PX has 100kW more power. The Komatsu D65PX is a mid-size low ground pressure crawler dozer; the Thwaites 6 Tonne Power Swivel is a 6 tonne power swivel site dumper.

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