Head to head
Hitachi ZX135USB-7 vs Kubota KX030-4
The Hitachi ZX135USB-7 has 56kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Hitachi ZX135USB-7 has 56kW more power.
Specifications side by side
| Hitachi ZX135USB-7 | Kubota KX030-4 | |
|---|---|---|
| Operating weight | 13,800 - 16,000kg | 2790 kg |
| Engine power | 74kW (ISO14396) / 73kW (ISO9249) | 17.7 kw |
| Dig depth | - | 2870 mm |
| Width | - | 1500 mm |
Sources: Hitachi ZX135USB-7, Kubota KX030-4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX135USB-7 if...
- you want one that has 56kW more power
Built for sites with tight working margins - roadside, urban and confined yards - where a swinging counterweight would foul walls, parked vehicles or passing traffic. Popular with utility and demolition contractors working close to structures.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Buy or hire the KX030-4 if...
A 3 tonne class digger for hire fleets, groundworkers and landscapers on trenching, drainage and foundation work in confined spaces. The reduced overhang helps on tight sites.
Full KX030-4 specifications →Common questions
What is the difference between the Hitachi ZX135USB-7 and the Kubota KX030-4?
The Hitachi ZX135USB-7 has 56kW more power. The Hitachi ZX135USB-7 is a 13 tonne zero tail swing crawler excavator; the Kubota KX030-4 is a 2.8 tonne class mini excavator.
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