Head to head
Hitachi ZX85USB-6 vs Kubota KX080-4a
The Kubota KX080-4a has 4kW more power. The Hitachi ZX85USB-6 is the bigger machine by 190kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Kubota KX080-4a has 4kW more power.
- Operating weight: the Hitachi ZX85USB-6 is the bigger machine by 190kg.
Specifications side by side
| Hitachi ZX85USB-6 | Kubota KX080-4a | |
|---|---|---|
| Operating weight | 8,430 - 9,060kg | 8240kg |
| Engine power | 42.4kW | 63.2PS |
| Dig depth | 3,910 - 4,510mm | - |
Sources: Hitachi ZX85USB-6, Kubota KX080-4a. 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 190kg
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 KX080-4a if...
- you want one that has 4kW more power
A 6 to 10 tonne machine for site clearance, drainage and bulk digging, often run with a dumper alongside. At 8.2 tonnes it moves on a lorry or low-loader.
Listed by
- Standard Plant Hire - Keston
Common questions
What is the difference between the Hitachi ZX85USB-6 and the Kubota KX080-4a?
The Kubota KX080-4a has 4kW more power. The Hitachi ZX85USB-6 is the bigger machine by 190kg. The Hitachi ZX85USB-6 is a 8.4-9.1 tonne zero tail swing crawler excavator; the Kubota KX080-4a is a tracked excavator, 6 to 10 tonnes.
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