Head to head
JCB 25Z-1 vs Yanmar ViO57-6B
The Yanmar ViO57-6B has 317kW more power and is the bigger machine by 2,935kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Yanmar ViO57-6B has 317kW more power.
- Operating weight: the Yanmar ViO57-6B is the bigger machine by 2,935kg.
Specifications side by side
| JCB 25Z-1 | Yanmar ViO57-6B | |
|---|---|---|
| Operating weight | 2550 kg | 5485 kg |
| Engine power | 18.4 kW | 33,5 kW (at 2200 rpm) |
| Dig depth | 2.82 m | - |
| Dump height | 3 m | - |
| Breakout force | - | 41,9 kN |
| Fuel tank | - | 66 l |
Sources: JCB 25Z-1, Yanmar ViO57-6B. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 25Z-1 if...
Used by hire firms and small contractors for patios, drainage, footings and work next to walls and fences where a zero-tailswing machine is needed. Sits in the weight class that can be towed on a trailer in restricted regions.
Full 25Z-1 specifications →Buy or hire the ViO57-6B if...
- you want one that has 317kW more power
- you want one that is the bigger machine by 2,935kg
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 25Z-1 and the Yanmar ViO57-6B?
The Yanmar ViO57-6B has 317kW more power and is the bigger machine by 2,935kg. The JCB 25Z-1 is a 2.5 tonne zero-tailswing mini excavator; the Yanmar ViO57-6B is a 5.5 tonne zero-tail mini excavator.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.