Head to head
Kubota KX080-4a vs Yanmar ViO57-6B
The Yanmar ViO57-6B has 289kW more power. The Kubota KX080-4a is the bigger machine by 2,755kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Yanmar ViO57-6B has 289kW more power.
- Operating weight: the Kubota KX080-4a is the bigger machine by 2,755kg.
Specifications side by side
| Kubota KX080-4a | Yanmar ViO57-6B | |
|---|---|---|
| Operating weight | 8240kg | 5485 kg |
| Engine power | 63.2PS | 33,5 kW (at 2200 rpm) |
| Breakout force | - | 41,9 kN |
| Fuel tank | - | 66 l |
Sources: Kubota KX080-4a, Yanmar ViO57-6B. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the KX080-4a if...
- you want one that is the bigger machine by 2,755kg
A 6 to 10 tonne machine for site clearance, drainage and bulk digging, often run with a dumper alongside. At 8.2 tonnes it moves on a lorry or low-loader.
Listed by
- Compact Plant Sales - Farnham
- Standard Plant Hire - Keston
Buy or hire the ViO57-6B if...
- you want one that has 289kW 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 Kubota KX080-4a and the Yanmar ViO57-6B?
The Yanmar ViO57-6B has 289kW more power. The Kubota KX080-4a is the bigger machine by 2,755kg. The Kubota KX080-4a is a tracked excavator, 6 to 10 tonnes; the Yanmar ViO57-6B is a 5.5 tonne zero-tail mini excavator.
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