Head to head
Hitachi ZX145W-6 vs Hitachi ZX33U-6
The Hitachi ZX145W-6 has 86kW more power and is the bigger machine by 11,680kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Hitachi ZX145W-6 has 86kW more power.
- Operating weight: the Hitachi ZX145W-6 is the bigger machine by 11,680kg.
Specifications side by side
| Hitachi ZX145W-6 | Hitachi ZX33U-6 | |
|---|---|---|
| Operating weight | 15,000 - 17,200kg | 3,320 - 3,720kg |
| Dig depth | 5,520 - 5,770mm | 2,790 - 3,130mm |
| Engine power | 105kW (ISO14396) | 18.8kW |
Sources: Hitachi ZX145W-6, Hitachi ZX33U-6. 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 86kW more power
- you want one that is the bigger machine by 11,680kg
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 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 ZX145W-6 and the Hitachi ZX33U-6?
The Hitachi ZX145W-6 has 86kW more power and is the bigger machine by 11,680kg. The Hitachi ZX145W-6 is a 14-17 tonne wheeled excavator; the Hitachi ZX33U-6 is a 3.3-3.7 tonne zero tail swing mini excavator.
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