Head to head
Hitachi ZX33U-6 vs Hitachi ZX85USB-6
The Hitachi ZX85USB-6 is the bigger machine by 5,110kg and has 24kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Hitachi ZX85USB-6 is the bigger machine by 5,110kg.
- Engine power: the Hitachi ZX85USB-6 has 24kW more power.
Specifications side by side
| Hitachi ZX33U-6 | Hitachi ZX85USB-6 | |
|---|---|---|
| Operating weight | 3,320 - 3,720kg | 8,430 - 9,060kg |
| Dig depth | 2,790 - 3,130mm | 3,910 - 4,510mm |
| Engine power | 18.8kW | 42.4kW |
Sources: Hitachi ZX33U-6, Hitachi ZX85USB-6. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX33U-6 if...
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 ZX85USB-6 if...
- you want one that is the bigger machine by 5,110kg
- you want one that has 24kW more power
A popular hire-fleet size for groundworkers and utility contractors who need more reach and dig depth than a mini excavator but still want a zero-swing tail for working close to walls and other plant. Common on drainage and footing jobs on housing sites.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Common questions
What is the difference between the Hitachi ZX33U-6 and the Hitachi ZX85USB-6?
The Hitachi ZX85USB-6 is the bigger machine by 5,110kg and has 24kW more power. The Hitachi ZX33U-6 is a 3.3-3.7 tonne zero tail swing mini excavator; the Hitachi ZX85USB-6 is a 8.4-9.1 tonne zero tail swing crawler excavator.
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