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Head to head

Hitachi ZX225US-7 vs Yanmar ViO38-6

The Hitachi ZX225US-7 has 110kW more power and digs 2.83m (9.5ft) deeper.

Last reviewed 6 October 2026

Hitachi ZX225US-7
Hitachi ZX225US-7 - image: Hitachi
Yanmar ViO38-6
Yanmar ViO38-6 - image: Yanmar (image from Coplant, official Yanmar dealer)

Key differences

Specifications side by side

Hitachi ZX225US-7Yanmar ViO38-6
Operating weight24,800 - 29,100kg3575 kg (canopy) / 3695 kg (cabin)
Dig depth6,120mm3290 mm / 3530mm*
Engine power128.4kW (ISO14396) / 122kW (ISO9249)18.9 kW / 25.3 HP at 2200 rpm

Sources: Hitachi ZX225US-7, Yanmar ViO38-6. 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 110kW more power
  • you want one that digs 2.83m (9.5ft) 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 ViO38-6 if...

A mid-size mini excavator for drainage, foundations and utility work where a 3 to 4 tonne machine is wanted with a short rear swing. Contractors and hire fleets use it on housing plots and roadside trenching.

Full ViO38-6 specifications →

Common questions

What is the difference between the Hitachi ZX225US-7 and the Yanmar ViO38-6?

The Hitachi ZX225US-7 has 110kW more power and digs 2.83m (9.5ft) deeper. The Hitachi ZX225US-7 is a 22-29 tonne reduced-tail-swing medium excavator; the Yanmar ViO38-6 is a 3.8 tonne zero tailswing mini excavator.

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