Head to head
Thwaites 6 Tonne Power Swivel vs Yanmar ViO57-6B
The Yanmar ViO57-6B has 280kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Yanmar ViO57-6B has 280kW more power.
Specifications side by side
| Thwaites 6 Tonne Power Swivel | Yanmar ViO57-6B | |
|---|---|---|
| Engine power | 55.4 kW (74 hp) @ 2200rpm | 33,5 kW (at 2200 rpm) |
| Payload | 6000 kg | - |
| Heaped capacity | 3150 litres | - |
| Engine | Deutz TCD 3.6 L4 | - |
| Operating weight | - | 5485 kg |
| Breakout force | - | 41,9 kN |
| Fuel tank | - | 66 l |
Sources: Thwaites 6 Tonne Power Swivel, Yanmar ViO57-6B. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 6 Tonne Power Swivel if...
A 6 tonne dumper whose skip swivels so it can tip to either side, useful for loading into trenches and working along narrow roads or site edges. Used by groundworks and utility contractors on UK sites. A cab is listed as an option.
Full 6 Tonne Power Swivel specifications →Buy or hire the ViO57-6B if...
- you want one that has 280kW 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 Thwaites 6 Tonne Power Swivel and the Yanmar ViO57-6B?
The Yanmar ViO57-6B has 280kW more power. The Thwaites 6 Tonne Power Swivel is a 6 tonne power swivel site dumper; the Yanmar ViO57-6B is a 5.5 tonne zero-tail mini excavator.
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