Head to head
Hitachi ZX85USB-6 vs Kubota U50-5
The Hitachi ZX85USB-6 is the bigger machine by 3,655kg and has 2kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Hitachi ZX85USB-6 is the bigger machine by 3,655kg.
- Engine power: the Hitachi ZX85USB-6 has 2kW more power.
Specifications side by side
| Hitachi ZX85USB-6 | Kubota U50-5 | |
|---|---|---|
| Operating weight | 8,430 - 9,060kg | 4,775kg |
| Dig depth | 3,910 - 4,510mm | 3,370mm |
| Engine power | 42.4kW | 40.4kW |
Sources: Hitachi ZX85USB-6, Kubota U50-5. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX85USB-6 if...
- you want one that is the bigger machine by 3,655kg
- you want one that has 2kW 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
Buy or hire the U50-5 if...
A mid-size mini excavator for groundworkers who need more reach and dig depth than the smaller Kubota models while still keeping a compact machine for site access. Suits drainage, footings and utility trenching.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
- Standard Plant Hire - Keston
Common questions
What is the difference between the Hitachi ZX85USB-6 and the Kubota U50-5?
The Hitachi ZX85USB-6 is the bigger machine by 3,655kg and has 2kW more power. The Hitachi ZX85USB-6 is a 8.4-9.1 tonne zero tail swing crawler excavator; the Kubota U50-5 is a 4.8 tonne mini excavator.
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