Head to head
Kubota KX030-4 vs Thwaites 6 Tonne Power Swivel
The Thwaites 6 Tonne Power Swivel has 38kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Thwaites 6 Tonne Power Swivel has 38kW more power.
Specifications side by side
| Kubota KX030-4 | Thwaites 6 Tonne Power Swivel | |
|---|---|---|
| Engine power | 17.7 kw | 55.4 kW (74 hp) @ 2200rpm |
| Operating weight | 2790 kg | - |
| Dig depth | 2870 mm | - |
| Width | 1500 mm | - |
| Payload | - | 6000 kg |
| Heaped capacity | - | 3150 litres |
| Engine | - | Deutz TCD 3.6 L4 |
Sources: Kubota KX030-4, Thwaites 6 Tonne Power Swivel. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the KX030-4 if...
A 3 tonne class digger for hire fleets, groundworkers and landscapers on trenching, drainage and foundation work in confined spaces. The reduced overhang helps on tight sites.
Full KX030-4 specifications →Buy or hire the 6 Tonne Power Swivel if...
- you want one that has 38kW 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 Kubota KX030-4 and the Thwaites 6 Tonne Power Swivel?
The Thwaites 6 Tonne Power Swivel has 38kW more power. The Kubota KX030-4 is a 2.8 tonne class mini excavator; the Thwaites 6 Tonne Power Swivel is a 6 tonne power swivel site dumper.
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