Head to head
Hitachi ZX145W-6 vs Kubota KX030-4
The Hitachi ZX145W-6 has 87kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Hitachi ZX145W-6 has 87kW more power.
Specifications side by side
| Hitachi ZX145W-6 | Kubota KX030-4 | |
|---|---|---|
| Operating weight | 15,000 - 17,200kg | 2790 kg |
| Dig depth | 5,520 - 5,770mm | 2870 mm |
| Engine power | 105kW (ISO14396) | 17.7 kw |
| Width | - | 1500 mm |
Sources: Hitachi ZX145W-6, Kubota KX030-4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX145W-6 if...
- you want one that has 87kW more power
Suits municipal and utility contractors who need a mobile, road-going digger for drainage and reinstatement work spread across several sites in a day. The wheeled undercarriage trades some stability for speed between jobs.
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 ZX145W-6 and the Kubota KX030-4?
The Hitachi ZX145W-6 has 87kW more power. The Hitachi ZX145W-6 is a 14-17 tonne wheeled excavator; the Kubota KX030-4 is a 2.8 tonne class mini excavator.
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