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Hitachi ZX225US-7 vs Thwaites 6 Tonne Power Swivel

The Hitachi ZX225US-7 has 73kW more power.

Last reviewed 13 September 2026

Hitachi ZX225US-7
Hitachi ZX225US-7 - image: Hitachi
Thwaites 6 Tonne Power Swivel
Thwaites 6 Tonne Power Swivel - image: Molson Group

Key differences

Specifications side by side

Hitachi ZX225US-7Thwaites 6 Tonne Power Swivel
Engine power128.4kW (ISO14396) / 122kW (ISO9249)55.4 kW (74 hp) @ 2200rpm
Operating weight24,800 - 29,100kg-
Dig depth6,120mm-
Payload-6000 kg
Heaped capacity-3150 litres
Engine-Deutz TCD 3.6 L4

Sources: Hitachi ZX225US-7, Thwaites 6 Tonne Power Swivel. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the ZX225US-7 if...

  • you want one that has 73kW more power

For contractors working in restricted yards or alongside live structures who still need the dig performance of a 20-tonne-plus machine. The reduced tail swing keeps the counterweight closer to the tracks than a standard crawler excavator of this size.

Listed by

Full ZX225US-7 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 Hitachi ZX225US-7 and the Thwaites 6 Tonne Power Swivel?

The Hitachi ZX225US-7 has 73kW more power. The Hitachi ZX225US-7 is a 22-29 tonne reduced-tail-swing medium excavator; the Thwaites 6 Tonne Power Swivel is a 6 tonne power swivel site dumper.

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