Head to head
Hitachi ZX225US-7 vs Kubota U17-3a
The Hitachi ZX225US-7 is the bigger machine by 23.1 tonnes and has 117kW more power.
Last reviewed 13 September 2026
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Key differences
- Operating weight: the Hitachi ZX225US-7 is the bigger machine by 23.1 tonnes.
- Engine power: the Hitachi ZX225US-7 has 117kW more power.
- Dig depth: the Hitachi ZX225US-7 digs 3.66m (12ft) deeper.
Specifications side by side
| Hitachi ZX225US-7 | Kubota U17-3a | |
|---|---|---|
| Operating weight | 24,800 - 29,100kg | 1,700kg |
| Dig depth | 6,120mm | 2,460mm |
| Engine power | 128.4kW (ISO14396) / 122kW (ISO9249) | 11.3kW |
Sources: Hitachi ZX225US-7, Kubota U17-3a. 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 23.1 tonnes
- you want one that has 117kW more power
- you want one that digs 3.66m (12ft) deeper
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 U17-3a if...
A step up from a micro excavator for landscaping and groundworks contractors who need more dig depth and breakout force while still fitting through a standard gate or gap. Common on garden and small drainage jobs.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
- Compact Plant Sales - Farnham
- Standard Plant Hire - Keston
Common questions
What is the difference between the Hitachi ZX225US-7 and the Kubota U17-3a?
The Hitachi ZX225US-7 is the bigger machine by 23.1 tonnes and has 117kW more power. The Hitachi ZX225US-7 is a 22-29 tonne reduced-tail-swing medium excavator; the Kubota U17-3a is a 1.7 tonne mini excavator.
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