Head to head
Kubota U36-4 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 U36-4 | Thwaites 6 Tonne Power Swivel | |
|---|---|---|
| Engine power | 17.8 kw | 55.4 kW (74 hp) @ 2200rpm |
| Operating weight | 3755 kg | - |
| Dig depth | 3410 mm | - |
| Width | 1700 mm | - |
| Payload | - | 6000 kg |
| Heaped capacity | - | 3150 litres |
| Engine | - | Deutz TCD 3.6 L4 |
Sources: Kubota U36-4, Thwaites 6 Tonne Power Swivel. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the U36-4 if...
A zero-tail swing digger for builders, utility firms and hire fleets working beside walls, fences and live traffic. Common for trenching, foundations and drainage on urban sites.
Full U36-4 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 U36-4 and the Thwaites 6 Tonne Power Swivel?
The Thwaites 6 Tonne Power Swivel has 38kW more power. The Kubota U36-4 is a 3.5 tonne zero-tail swing compact excavator; the Thwaites 6 Tonne Power Swivel is a 6 tonne power swivel site dumper.
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