Head to head
Hitachi ZX225US-7 vs Kubota U55-4
The Hitachi ZX225US-7 is the bigger machine by 19.4 tonnes and has 95kW more power.
Last reviewed 13 September 2026
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Key differences
- Operating weight: the Hitachi ZX225US-7 is the bigger machine by 19.4 tonnes.
- Engine power: the Hitachi ZX225US-7 has 95kW more power.
Specifications side by side
| Hitachi ZX225US-7 | Kubota U55-4 | |
|---|---|---|
| Operating weight | 24,800 - 29,100kg | 5400kg |
| Engine power | 128.4kW (ISO14396) / 122kW (ISO9249) | 46PS |
| Dig depth | 6,120mm | - |
Sources: Hitachi ZX225US-7, Kubota U55-4. 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 is the bigger machine by 19.4 tonnes
- you want one that has 95kW 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 U55-4 if...
A midi excavator for groundworks, utilities and landscaping contractors. At 5.4 tonnes it arrives on a lorry rather than behind a car.
Listed by
- Yorkshire Plant Sales - Wakefield, Leeds
Common questions
What is the difference between the Hitachi ZX225US-7 and the Kubota U55-4?
The Hitachi ZX225US-7 is the bigger machine by 19.4 tonnes and has 95kW more power. The Hitachi ZX225US-7 is a 22-29 tonne reduced-tail-swing medium excavator; the Kubota U55-4 is a midi excavator, 3 to 6 tonnes.
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