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Hitachi ZX135W-7 vs Thwaites 6 Tonne Power Swivel

The Hitachi ZX135W-7 has 50kW more power.

Last reviewed 13 September 2026

Hitachi ZX135W-7
Hitachi ZX135W-7 - image: Alexandre Prevot, CC BY-SA 4.0, via Wikimedia Commons
Thwaites 6 Tonne Power Swivel
Thwaites 6 Tonne Power Swivel - image: Molson Group

Key differences

Specifications side by side

Hitachi ZX135W-7Thwaites 6 Tonne Power Swivel
Engine power105kW (ISO14396) / 100kW (ISO9249)55.4 kW (74 hp) @ 2200rpm
Operating weight14,500 - 15,900kg-
Payload-6000 kg
Heaped capacity-3150 litres
Engine-Deutz TCD 3.6 L4

Sources: Hitachi ZX135W-7, Thwaites 6 Tonne Power Swivel. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the ZX135W-7 if...

  • you want one that has 50kW more power

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 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 Hitachi ZX135W-7 and the Thwaites 6 Tonne Power Swivel?

The Hitachi ZX135W-7 has 50kW more power. The Hitachi ZX135W-7 is a 13-16 tonne short-tail wheeled excavator; the Thwaites 6 Tonne Power Swivel is a 6 tonne power swivel site dumper.

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