Head to head
Hitachi ZX33U-6 vs JCB STH-2S5 Swivel
The Hitachi ZX33U-6 is the bigger machine by 930kg. The JCB STH-2S5 Swivel has 0kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Hitachi ZX33U-6 is the bigger machine by 930kg.
- Engine power: the JCB STH-2S5 Swivel has 0kW more power.
Specifications side by side
| Hitachi ZX33U-6 | JCB STH-2S5 Swivel | |
|---|---|---|
| Operating weight | 3,320 - 3,720kg | 2,390kg |
| Engine power | 18.8kW | 18.9kW |
| Dig depth | 2,790 - 3,130mm | - |
| Skip capacity | - | 1,615 litres (heaped) |
Sources: Hitachi ZX33U-6, JCB STH-2S5 Swivel. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX33U-6 if...
- you want one that is the bigger machine by 930kg
A general-purpose mini digger for landscaping, utilities and small groundworks contractors who need to work in gardens, driveways and other access-restricted sites. Its zero tail swing lets it turn on the spot without swinging into fences or walls.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Buy or hire the STH-2S5 Swivel if...
- you want one that has 0kW 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 Hitachi ZX33U-6 and the JCB STH-2S5 Swivel?
The Hitachi ZX33U-6 is the bigger machine by 930kg. The JCB STH-2S5 Swivel has 0kW more power. The Hitachi ZX33U-6 is a 3.3-3.7 tonne zero tail swing mini excavator; the JCB STH-2S5 Swivel is a 3 tonne swivel-skip site dumper.
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