Head to head
Hitachi ZX220W-7 vs Hitachi ZX33U-6
The Hitachi ZX220W-7 has 109kW more power and is the bigger machine by 16,780kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Hitachi ZX220W-7 has 109kW more power.
- Operating weight: the Hitachi ZX220W-7 is the bigger machine by 16,780kg.
Specifications side by side
| Hitachi ZX220W-7 | Hitachi ZX33U-6 | |
|---|---|---|
| Operating weight | 20,100 - 24,900kg | 3,320 - 3,720kg |
| Dig depth | 5,810 - 6,300mm | 2,790 - 3,130mm |
| Engine power | 128kW | 18.8kW |
Sources: Hitachi ZX220W-7, Hitachi ZX33U-6. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX220W-7 if...
- you want one that has 109kW more power
- you want one that is the bigger machine by 16,780kg
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
Buy or hire the ZX33U-6 if...
A general-purpose mini digger for landscaping, utilities and small groundworks contractors who need to work in gardens, driveways and other access-restricted sites. Its zero tail swing lets it turn on the spot without swinging into fences or walls.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Common questions
What is the difference between the Hitachi ZX220W-7 and the Hitachi ZX33U-6?
The Hitachi ZX220W-7 has 109kW more power and is the bigger machine by 16,780kg. The Hitachi ZX220W-7 is a 20-25 tonne wheeled excavator, the largest in Hitachi's ZX-7 wheeled range; the Hitachi ZX33U-6 is a 3.3-3.7 tonne zero tail swing mini excavator.
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