Head to head
JCB 25Z-1 vs JCB STH-2S5 Swivel
The JCB 25Z-1 is the bigger machine by 160kg. The JCB STH-2S5 Swivel has 1kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the JCB 25Z-1 is the bigger machine by 160kg.
- Engine power: the JCB STH-2S5 Swivel has 1kW more power.
Specifications side by side
| JCB 25Z-1 | JCB STH-2S5 Swivel | |
|---|---|---|
| Operating weight | 2550 kg | 2,390kg |
| Engine power | 18.4 kW | 18.9kW |
| Dig depth | 2.82 m | - |
| Dump height | 3 m | - |
| Skip capacity | - | 1,615 litres (heaped) |
Sources: JCB 25Z-1, JCB STH-2S5 Swivel. 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 is the bigger machine by 160kg
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 STH-2S5 Swivel if...
- you want one that has 1kW more power
A compact swivel dumper for smaller groundworks and landscaping contractors who need to tip to the side without repositioning, popular on domestic extension and garden sites where access is tight.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Common questions
What is the difference between the JCB 25Z-1 and the JCB STH-2S5 Swivel?
The JCB 25Z-1 is the bigger machine by 160kg. The JCB STH-2S5 Swivel has 1kW more power. The JCB 25Z-1 is a 2.5 tonne zero-tailswing mini excavator; the JCB STH-2S5 Swivel is a 3 tonne swivel-skip site dumper.
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