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Head to head

Hitachi ZX225US-7 vs Kubota KX030-4

The Hitachi ZX225US-7 has 111kW more power and digs 3.25m (10.5ft) deeper.

Last reviewed 13 September 2026

Hitachi ZX225US-7
Hitachi ZX225US-7 - image: Hitachi
Kubota KX030-4
Kubota KX030-4 - image: Kubota (U.K.) Limited

Key differences

Specifications side by side

Hitachi ZX225US-7Kubota KX030-4
Operating weight24,800 - 29,100kg2790 kg
Dig depth6,120mm2870 mm
Engine power128.4kW (ISO14396) / 122kW (ISO9249)17.7 kw
Width-1500 mm

Sources: Hitachi ZX225US-7, Kubota KX030-4. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the ZX225US-7 if...

  • you want one that has 111kW more power
  • you want one that digs 3.25m (10.5ft) deeper

For contractors working in restricted yards or alongside live structures who still need the dig performance of a 20-tonne-plus machine. The reduced tail swing keeps the counterweight closer to the tracks than a standard crawler excavator of this size.

Listed by

Full ZX225US-7 specifications →

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 ZX225US-7 and the Kubota KX030-4?

The Hitachi ZX225US-7 has 111kW more power and digs 3.25m (10.5ft) deeper. The Hitachi ZX225US-7 is a 22-29 tonne reduced-tail-swing medium excavator; the Kubota KX030-4 is a 2.8 tonne class mini excavator.

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