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Head to head

Hitachi ZX135W-7 vs Mecalac 9MDX

The Mecalac 9MDX has 449kW more power.

Last reviewed 13 September 2026

Hitachi ZX135W-7
Hitachi ZX135W-7 - image: Alexandre Prevot, CC BY-SA 4.0, via Wikimedia Commons
Mecalac 9MDX
Mecalac 9MDX - image: Mecalac

Key differences

Specifications side by side

Hitachi ZX135W-7Mecalac 9MDX
Operating weight14,500 - 15,900kg5315 kg (11718 lb) to 5715 kg (12600 lb)
Engine power105kW (ISO14396) / 100kW (ISO9249)55,4 kW (74 hp)
Payload-9000 kg
Travel speed-25 km/h

Sources: Hitachi ZX135W-7, Mecalac 9MDX. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the ZX135W-7 if...

A road-legal wheeled excavator for contractors who need to self-drive between sites without a low-loader, such as utilities and highways crews. The short-tail-swing design keeps it usable on narrow verges and in traffic-managed lanes.

Listed by

Full ZX135W-7 specifications →

Buy or hire the 9MDX if...

  • you want one that has 449kW 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 ZX135W-7 and the Mecalac 9MDX?

The Mecalac 9MDX has 449kW more power. The Hitachi ZX135W-7 is a 13-16 tonne short-tail wheeled excavator; the Mecalac 9MDX is a 9 tonne cabbed site dumper.

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