Head to head
Hitachi ZX135USB-7 vs Mecalac 9MDX
The Mecalac 9MDX has 480kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Mecalac 9MDX has 480kW more power.
Specifications side by side
| Hitachi ZX135USB-7 | Mecalac 9MDX | |
|---|---|---|
| Operating weight | 13,800 - 16,000kg | 5315 kg (11718 lb) to 5715 kg (12600 lb) |
| Engine power | 74kW (ISO14396) / 73kW (ISO9249) | 55,4 kW (74 hp) |
| Payload | - | 9000 kg |
| Travel speed | - | 25 km/h |
Sources: Hitachi ZX135USB-7, Mecalac 9MDX. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX135USB-7 if...
Built for sites with tight working margins - roadside, urban and confined yards - where a swinging counterweight would foul walls, parked vehicles or passing traffic. Popular with utility and demolition contractors working close to structures.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Buy or hire the 9MDX if...
- you want one that has 480kW more power
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 Hitachi ZX135USB-7 and the Mecalac 9MDX?
The Mecalac 9MDX has 480kW more power. The Hitachi ZX135USB-7 is a 13 tonne zero tail swing crawler excavator; the Mecalac 9MDX is a 9 tonne cabbed site dumper.
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