Head to head
Hitachi ZX33U-6 vs Thwaites 6 Tonne Power Swivel
The Thwaites 6 Tonne Power Swivel has 37kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Thwaites 6 Tonne Power Swivel has 37kW more power.
Specifications side by side
| Hitachi ZX33U-6 | Thwaites 6 Tonne Power Swivel | |
|---|---|---|
| Engine power | 18.8kW | 55.4 kW (74 hp) @ 2200rpm |
| Operating weight | 3,320 - 3,720kg | - |
| Dig depth | 2,790 - 3,130mm | - |
| Payload | - | 6000 kg |
| Heaped capacity | - | 3150 litres |
| Engine | - | Deutz TCD 3.6 L4 |
Sources: Hitachi ZX33U-6, Thwaites 6 Tonne Power Swivel. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX33U-6 if...
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 6 Tonne Power Swivel if...
- you want one that has 37kW more power
A 6 tonne dumper whose skip swivels so it can tip to either side, useful for loading into trenches and working along narrow roads or site edges. Used by groundworks and utility contractors on UK sites. A cab is listed as an option.
Full 6 Tonne Power Swivel specifications →Common questions
What is the difference between the Hitachi ZX33U-6 and the Thwaites 6 Tonne Power Swivel?
The Thwaites 6 Tonne Power Swivel has 37kW more power. The Hitachi ZX33U-6 is a 3.3-3.7 tonne zero tail swing mini excavator; the Thwaites 6 Tonne Power Swivel is a 6 tonne power swivel site dumper.
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