Head to head
Kubota U17-3a vs Yanmar ViO57-6B
The Yanmar ViO57-6B has 324kW more power and is the bigger machine by 3,785kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Yanmar ViO57-6B has 324kW more power.
- Operating weight: the Yanmar ViO57-6B is the bigger machine by 3,785kg.
Specifications side by side
| Kubota U17-3a | Yanmar ViO57-6B | |
|---|---|---|
| Operating weight | 1,700kg | 5485 kg |
| Engine power | 11.3kW | 33,5 kW (at 2200 rpm) |
| Dig depth | 2,460mm | - |
| Breakout force | - | 41,9 kN |
| Fuel tank | - | 66 l |
Sources: Kubota U17-3a, Yanmar ViO57-6B. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the U17-3a if...
A step up from a micro excavator for landscaping and groundworks contractors who need more dig depth and breakout force while still fitting through a standard gate or gap. Common on garden and small drainage jobs.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
- Compact Plant Sales - Farnham
- Beaver Tool Hire - Isleworth, Twickenham
- Standard Plant Hire - Keston
- HG Plant Sales - Maldon, Langford
Buy or hire the ViO57-6B if...
- you want one that has 324kW more power
- you want one that is the bigger machine by 3,785kg
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 Kubota U17-3a and the Yanmar ViO57-6B?
The Yanmar ViO57-6B has 324kW more power and is the bigger machine by 3,785kg. The Kubota U17-3a is a 1.7 tonne mini excavator; the Yanmar ViO57-6B is a 5.5 tonne zero-tail mini excavator.
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