Head to head
Hitachi ZX33U-6 vs Kubota U17-3a
The Hitachi ZX33U-6 is the bigger machine by 1,620kg and has 8kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Hitachi ZX33U-6 is the bigger machine by 1,620kg.
- Engine power: the Hitachi ZX33U-6 has 8kW more power.
Specifications side by side
| Hitachi ZX33U-6 | Kubota U17-3a | |
|---|---|---|
| Operating weight | 3,320 - 3,720kg | 1,700kg |
| Dig depth | 2,790 - 3,130mm | 2,460mm |
| Engine power | 18.8kW | 11.3kW |
Sources: Hitachi ZX33U-6, Kubota U17-3a. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX33U-6 if...
- you want one that is the bigger machine by 1,620kg
- you want one that has 8kW more power
A general-purpose mini digger for landscaping, utilities and small groundworks contractors who need to work in gardens, driveways and other access-restricted sites. Its zero tail swing lets it turn on the spot without swinging into fences or walls.
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 ZX33U-6 and the Kubota U17-3a?
The Hitachi ZX33U-6 is the bigger machine by 1,620kg and has 8kW more power. The Hitachi ZX33U-6 is a 3.3-3.7 tonne zero tail swing mini excavator; the Kubota U17-3a is a 1.7 tonne mini excavator.
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