Head to head
Hitachi ZX170W-6 vs Hitachi ZX220W-7
The Hitachi ZX170W-6 is a 17 tonne wheeled excavator. The Hitachi ZX220W-7 is a 20-25 tonne wheeled excavator, the largest in hitachi's zx-7 wheeled range.
Last reviewed 13 September 2026
Specifications side by side
| Hitachi ZX170W-6 | Hitachi ZX220W-7 | |
|---|---|---|
| Dig depth | up to 5,830mm (5,720mm with 2-piece boom, 2.50m arm) | 5,810 - 6,300mm |
| Operating weight | - | 20,100 - 24,900kg |
| Engine power | - | 128kW |
Sources: Hitachi ZX170W-6, Hitachi ZX220W-7. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX170W-6 if...
A larger wheeled digger for contractors handling bigger drainage, sewer and groundworks packages who still need to drive between sites on the public road. The extra size over the 145W gives more reach and breakout force.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Buy or hire the ZX220W-7 if...
Targets larger utility, sewer and civils contractors who need crawler-class digging power on a road-going wheeled chassis. It sits at the top of Hitachi's current wheeled-excavator line, giving extra reach and depth over the 170W and 145W.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Common questions
What is the difference between the Hitachi ZX170W-6 and the Hitachi ZX220W-7?
The Hitachi ZX170W-6 is a 17 tonne wheeled excavator; the Hitachi ZX220W-7 is a 20-25 tonne wheeled excavator, the largest in Hitachi's ZX-7 wheeled range.
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