Head to head
Hitachi ZX135W-7 vs Kubota U17-3a
The Hitachi ZX135W-7 has 94kW more power and is the bigger machine by 12.8 tonnes.
Last reviewed 13 September 2026
Key differences
- Engine power: the Hitachi ZX135W-7 has 94kW more power.
- Operating weight: the Hitachi ZX135W-7 is the bigger machine by 12.8 tonnes.
Specifications side by side
| Hitachi ZX135W-7 | Kubota U17-3a | |
|---|---|---|
| Operating weight | 14,500 - 15,900kg | 1,700kg |
| Engine power | 105kW (ISO14396) / 100kW (ISO9249) | 11.3kW |
| Dig depth | - | 2,460mm |
Sources: Hitachi ZX135W-7, Kubota U17-3a. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX135W-7 if...
- you want one that has 94kW more power
- you want one that is the bigger machine by 12.8 tonnes
A road-legal wheeled excavator for contractors who need to self-drive between sites without a low-loader, such as utilities and highways crews. The short-tail-swing design keeps it usable on narrow verges and in traffic-managed lanes.
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 ZX135W-7 and the Kubota U17-3a?
The Hitachi ZX135W-7 has 94kW more power and is the bigger machine by 12.8 tonnes. The Hitachi ZX135W-7 is a 13-16 tonne short-tail wheeled excavator; the Kubota U17-3a is a 1.7 tonne mini excavator.
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