Head to head
Hitachi ZX225US-7 vs Yanmar ViO20-6
The Hitachi ZX225US-7 is the bigger machine by 22,675kg and has 113kW more power.
Last reviewed 13 September 2026
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Key differences
- Operating weight: the Hitachi ZX225US-7 is the bigger machine by 22,675kg.
- Engine power: the Hitachi ZX225US-7 has 113kW more power.
- Dig depth: the Hitachi ZX225US-7 digs 3.71m (12ft) deeper.
Specifications side by side
| Hitachi ZX225US-7 | Yanmar ViO20-6 | |
|---|---|---|
| Operating weight | 24,800 - 29,100kg | 2,125 kg (4,685 lb) (rubber track, canopy) |
| Dig depth | 6,120mm | 2,410 mm (94.9 in) (blade down) |
| Engine power | 128.4kW (ISO14396) / 122kW (ISO9249) | 15.0 kW (20.1 hp) at 2,400 rpm |
| Overall width | - | 1,380 mm (54.3 in) |
Sources: Hitachi ZX225US-7, Yanmar ViO20-6. 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 is the bigger machine by 22,675kg
- you want one that has 113kW more power
- you want one that digs 3.71m (12ft) 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
- McGovern Plant Hire - Hounslow, Cranford
Buy or hire the ViO20-6 if...
The Yanmar ViO20-6 steps up from the ViO17 into the roughly 2 tonne mini excavator class, still with Yanmar's true zero tail swing geometry for working in confined spaces. It competes with the Caterpillar 301.7 CR and similarly sized Kubota and Takeuchi machines for UK groundworks and utility hire jobs. Its fixed rather than variable undercarriage keeps the design simpler than some rivals, at the cost of not being able to narrow down for transport.
Full ViO20-6 specifications →Common questions
What is the difference between the Hitachi ZX225US-7 and the Yanmar ViO20-6?
The Hitachi ZX225US-7 is the bigger machine by 22,675kg and has 113kW more power. The Hitachi ZX225US-7 is a 22-29 tonne reduced-tail-swing medium excavator; the Yanmar ViO20-6 is a a 2.0-2.1 tonne true zero tail swing mini excavator.
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