Head to head
Hitachi ZX85USB-6 vs Yanmar ViO57-6B
The Yanmar ViO57-6B has 293kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Yanmar ViO57-6B has 293kW more power.
Specifications side by side
| Hitachi ZX85USB-6 | Yanmar ViO57-6B | |
|---|---|---|
| Operating weight | 8,430 - 9,060kg | 5485 kg |
| Engine power | 42.4kW | 33,5 kW (at 2200 rpm) |
| Dig depth | 3,910 - 4,510mm | - |
| Breakout force | - | 41,9 kN |
| Fuel tank | - | 66 l |
Sources: Hitachi ZX85USB-6, Yanmar ViO57-6B. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX85USB-6 if...
A popular hire-fleet size for groundworkers and utility contractors who need more reach and dig depth than a mini excavator but still want a zero-swing tail for working close to walls and other plant. Common on drainage and footing jobs on housing sites.
Listed by
- Red Plant Sales Ltd - Colchester, Frating
- McGovern Plant Hire - Hounslow, Cranford
Buy or hire the ViO57-6B if...
- you want one that has 293kW 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 ZX85USB-6 and the Yanmar ViO57-6B?
The Yanmar ViO57-6B has 293kW more power. The Hitachi ZX85USB-6 is a 8.4-9.1 tonne zero tail swing crawler excavator; the Yanmar ViO57-6B is a 5.5 tonne zero-tail mini excavator.
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