Head to head
Hitachi ZX225US-7 vs Thwaites 6 Tonne Power Swivel
The Hitachi ZX225US-7 has 73kW more power.
Last reviewed 13 September 2026

Key differences
- Engine power: the Hitachi ZX225US-7 has 73kW more power.
Specifications side by side
| Hitachi ZX225US-7 | Thwaites 6 Tonne Power Swivel | |
|---|---|---|
| Engine power | 128.4kW (ISO14396) / 122kW (ISO9249) | 55.4 kW (74 hp) @ 2200rpm |
| Operating weight | 24,800 - 29,100kg | - |
| Dig depth | 6,120mm | - |
| 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
- McGovern Plant Hire - Hounslow, Cranford
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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