Head to head
Hitachi ZX225US-7 vs Yanmar ViO33-6
The Hitachi ZX225US-7 has 110kW more power.
Last reviewed 13 September 2026
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Key differences
- Engine power: the Hitachi ZX225US-7 has 110kW more power.
Specifications side by side
| Hitachi ZX225US-7 | Yanmar ViO33-6 | |
|---|---|---|
| Operating weight | 24,800 - 29,100kg | 3155 kg (canopy) / 3275 kg (cabin) |
| Engine power | 128.4kW (ISO14396) / 122kW (ISO9249) | 18.5 kW / 24.8 HP at 2200 rpm |
| Dig depth | 6,120mm | - |
| Breakout force | - | 29.9 kN |
| Fuel tank | - | 41 l |
Sources: Hitachi ZX225US-7, Yanmar ViO33-6. 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
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 ViO33-6 if...
A zero-tail swing digger for groundworkers, utility contractors and hire fleets on trenching, drainage and foundations beside walls and fences. Suits urban sites with limited space.
Full ViO33-6 specifications →Common questions
What is the difference between the Hitachi ZX225US-7 and the Yanmar ViO33-6?
The Hitachi ZX225US-7 has 110kW more power. The Hitachi ZX225US-7 is a 22-29 tonne reduced-tail-swing medium excavator; the Yanmar ViO33-6 is a 3.2 tonne zero-tail mini excavator.
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