Head to head
JCB 25Z-1 vs JCB 35Z-1
The JCB 35Z-1 is the bigger machine by 1,006kg and digs 66cm (2ft) deeper.
Last reviewed 13 September 2026
Key differences
- Operating weight: the JCB 35Z-1 is the bigger machine by 1,006kg.
- Dig depth: the JCB 35Z-1 digs 66cm (2ft) deeper.
Specifications side by side
| JCB 25Z-1 | JCB 35Z-1 | |
|---|---|---|
| Operating weight | 2550 kg | 3556 kg |
| Dig depth | 2.82 m | 3.48 m |
| Dump height | 3 m | 3.53 m |
| Engine power | 18.4 kW | 18.4 kW |
Sources: JCB 25Z-1, JCB 35Z-1. 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 35Z-1 if...
- you want one that is the bigger machine by 1,006kg
- you want one that digs 66cm (2ft) deeper
A common step up from the 2 to 3 tonne diggers for house foundations, utility trenching and landscaping on tight urban sites. Zero tailswing lets it slew close to walls and traffic.
Full 35Z-1 specifications →Common questions
What is the difference between the JCB 25Z-1 and the JCB 35Z-1?
The JCB 35Z-1 is the bigger machine by 1,006kg and digs 66cm (2ft) deeper. The JCB 25Z-1 is a 2.5 tonne zero-tailswing mini excavator; the JCB 35Z-1 is a 3.5 tonne zero-tailswing mini excavator.
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