Head to head
Mecalac 9MDX vs Thwaites 6 Tonne Power Swivel
The Mecalac 9MDX has 499kW more power and carries 3 tonnes more.
Last reviewed 13 September 2026
Key differences
- Engine power: the Mecalac 9MDX has 499kW more power.
- Payload: the Mecalac 9MDX carries 3 tonnes more.
Specifications side by side
| Mecalac 9MDX | Thwaites 6 Tonne Power Swivel | |
|---|---|---|
| Payload | 9000 kg | 6000 kg |
| Engine power | 55,4 kW (74 hp) | 55.4 kW (74 hp) @ 2200rpm |
| Operating weight | 5315 kg (11718 lb) to 5715 kg (12600 lb) | - |
| Travel speed | 25 km/h | - |
| Heaped capacity | - | 3150 litres |
| Engine | - | Deutz TCD 3.6 L4 |
Sources: Mecalac 9MDX, Thwaites 6 Tonne Power Swivel. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 9MDX if...
- you want one that has 499kW more power
- you want one that carries 3 tonnes more
A 9 tonne dumper with a fully enclosed ROPS/FOPS cab for bulk earthmoving, civils and road works on UK sites. Available with front tip or swivel skip.
Full 9MDX specifications →Buy or hire the 6 Tonne Power Swivel if...
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 Mecalac 9MDX and the Thwaites 6 Tonne Power Swivel?
The Mecalac 9MDX has 499kW more power and carries 3 tonnes more. The Mecalac 9MDX is a 9 tonne cabbed site dumper; the Thwaites 6 Tonne Power Swivel is a 6 tonne power swivel site dumper.
Which carries more, the Mecalac 9MDX or the Thwaites 6 Tonne Power Swivel?
The Mecalac 9MDX, by 3 tonnes.
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