Head to head
Hitachi ZX135USB-7 vs Yanmar ViO57-6B
The Yanmar ViO57-6B has 261kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Yanmar ViO57-6B has 261kW more power.
Specifications side by side
| Hitachi ZX135USB-7 | Yanmar ViO57-6B | |
|---|---|---|
| Operating weight | 13,800 - 16,000kg | 5485 kg |
| Engine power | 74kW (ISO14396) / 73kW (ISO9249) | 33,5 kW (at 2200 rpm) |
| Breakout force | - | 41,9 kN |
| Fuel tank | - | 66 l |
Sources: Hitachi ZX135USB-7, Yanmar ViO57-6B. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX135USB-7 if...
Built for sites with tight working margins - roadside, urban and confined yards - where a swinging counterweight would foul walls, parked vehicles or passing traffic. Popular with utility and demolition contractors working close to structures.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Buy or hire the ViO57-6B if...
- you want one that has 261kW more power
A 5 to 6 tonne zero-tail swing digger for civils and groundworks contractors on deeper trenching, pipe laying and loading. Hire fleets use it where space is tight but a bigger machine is needed.
Full ViO57-6B specifications →Common questions
What is the difference between the Hitachi ZX135USB-7 and the Yanmar ViO57-6B?
The Yanmar ViO57-6B has 261kW more power. The Hitachi ZX135USB-7 is a 13 tonne zero tail swing crawler excavator; the Yanmar ViO57-6B is a 5.5 tonne zero-tail mini excavator.
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