Head to head
JCB STH-2S5 Swivel vs Mecalac 9MDX
The Mecalac 9MDX has 535kW more power and is the bigger machine by 2,925kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Mecalac 9MDX has 535kW more power.
- Operating weight: the Mecalac 9MDX is the bigger machine by 2,925kg.
Specifications side by side
| JCB STH-2S5 Swivel | Mecalac 9MDX | |
|---|---|---|
| Operating weight | 2,390kg | 5315 kg (11718 lb) to 5715 kg (12600 lb) |
| Engine power | 18.9kW | 55,4 kW (74 hp) |
| Skip capacity | 1,615 litres (heaped) | - |
| Payload | - | 9000 kg |
| Travel speed | - | 25 km/h |
Sources: JCB STH-2S5 Swivel, Mecalac 9MDX. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the STH-2S5 Swivel if...
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
Buy or hire the 9MDX if...
- you want one that has 535kW more power
- you want one that is the bigger machine by 2,925kg
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 →Common questions
What is the difference between the JCB STH-2S5 Swivel and the Mecalac 9MDX?
The Mecalac 9MDX has 535kW more power and is the bigger machine by 2,925kg. The JCB STH-2S5 Swivel is a 3 tonne swivel-skip site dumper; the Mecalac 9MDX is a 9 tonne cabbed site dumper.
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