Head to head
JCB 3T-2 vs Yanmar ViO57-6B
The Yanmar ViO57-6B has 316kW more power and is the bigger machine by 3,140kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Yanmar ViO57-6B has 316kW more power.
- Operating weight: the Yanmar ViO57-6B is the bigger machine by 3,140kg.
Specifications side by side
| JCB 3T-2 | Yanmar ViO57-6B | |
|---|---|---|
| Operating weight | 2345 kg | 5485 kg |
| Engine power | 18.9 kW | 33,5 kW (at 2200 rpm) |
| Payload | 3000 kg | - |
| Breakout force | - | 41,9 kN |
| Fuel tank | - | 66 l |
Sources: JCB 3T-2, Yanmar ViO57-6B. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 3T-2 if...
A mid-size site dumper for moving spoil, aggregate and concrete on building and landscaping sites. Common on hire fleets for groundworks where a 1 tonne or 6 tonne machine is the wrong size.
Full 3T-2 specifications →Buy or hire the ViO57-6B if...
- you want one that has 316kW more power
- you want one that is the bigger machine by 3,140kg
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 JCB 3T-2 and the Yanmar ViO57-6B?
The Yanmar ViO57-6B has 316kW more power and is the bigger machine by 3,140kg. The JCB 3T-2 is a 3 tonne payload site dumper with front or swivel tip; the Yanmar ViO57-6B is a 5.5 tonne zero-tail mini excavator.
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