Head to head
JCB 25Z-1 vs Yanmar ViO20-6
The JCB 25Z-1 has 3kW more power and is the bigger machine by 425kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the JCB 25Z-1 has 3kW more power.
- Operating weight: the JCB 25Z-1 is the bigger machine by 425kg.
- Dig depth: the JCB 25Z-1 digs 41cm (1.5ft) deeper.
Specifications side by side
| JCB 25Z-1 | Yanmar ViO20-6 | |
|---|---|---|
| Operating weight | 2550 kg | 2,125 kg (4,685 lb) (rubber track, canopy) |
| Dig depth | 2.82 m | 2,410 mm (94.9 in) (blade down) |
| Engine power | 18.4 kW | 15.0 kW (20.1 hp) at 2,400 rpm |
| Dump height | 3 m | - |
| Overall width | - | 1,380 mm (54.3 in) |
Sources: JCB 25Z-1, Yanmar ViO20-6. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 25Z-1 if...
- you want one that has 3kW more power
- you want one that is the bigger machine by 425kg
- you want one that digs 41cm (1.5ft) deeper
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 ViO20-6 if...
The Yanmar ViO20-6 steps up from the ViO17 into the roughly 2 tonne mini excavator class, still with Yanmar's true zero tail swing geometry for working in confined spaces. It competes with the Caterpillar 301.7 CR and similarly sized Kubota and Takeuchi machines for UK groundworks and utility hire jobs. Its fixed rather than variable undercarriage keeps the design simpler than some rivals, at the cost of not being able to narrow down for transport.
Full ViO20-6 specifications →Common questions
What is the difference between the JCB 25Z-1 and the Yanmar ViO20-6?
The JCB 25Z-1 has 3kW more power and is the bigger machine by 425kg. The JCB 25Z-1 is a 2.5 tonne zero-tailswing mini excavator; the Yanmar ViO20-6 is a a 2.0-2.1 tonne true zero tail swing mini excavator.
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