Head to head
Hitachi ZX145W-6 vs Thwaites 6 Tonne Power Swivel
The Hitachi ZX145W-6 has 50kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Hitachi ZX145W-6 has 50kW more power.
Specifications side by side
| Hitachi ZX145W-6 | Thwaites 6 Tonne Power Swivel | |
|---|---|---|
| Engine power | 105kW (ISO14396) | 55.4 kW (74 hp) @ 2200rpm |
| Operating weight | 15,000 - 17,200kg | - |
| Dig depth | 5,520 - 5,770mm | - |
| Payload | - | 6000 kg |
| Heaped capacity | - | 3150 litres |
| Engine | - | Deutz TCD 3.6 L4 |
Sources: Hitachi ZX145W-6, Thwaites 6 Tonne Power Swivel. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX145W-6 if...
- you want one that has 50kW more power
Suits municipal and utility contractors who need a mobile, road-going digger for drainage and reinstatement work spread across several sites in a day. The wheeled undercarriage trades some stability for speed between jobs.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
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 ZX145W-6 and the Thwaites 6 Tonne Power Swivel?
The Hitachi ZX145W-6 has 50kW more power. The Hitachi ZX145W-6 is a 14-17 tonne wheeled excavator; the Thwaites 6 Tonne Power Swivel is a 6 tonne power swivel site dumper.
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