Head to head
Hitachi 33U vs Hitachi ZX145W-6
The Hitachi 33U is a mini excavator, approximately 3 tonne class. The Hitachi ZX145W-6 is a 14-17 tonne wheeled excavator.
Last reviewed 13 September 2026
Specifications side by side
| Hitachi 33U | Hitachi ZX145W-6 | |
|---|---|---|
| Operating weight | 3,487 kg | 15,000 - 17,200kg |
| Width | 1,550 mm | - |
| Rated power ISO 9249 | 21.2 kW (28.4 HP) at 2,400 min-1 (rpm) (net) | - |
| Fuel tank | 42.0 L | - |
| Dig depth | - | 5,520 - 5,770mm |
| Engine power | - | 105kW (ISO14396) |
Sources: Hitachi 33U, Hitachi ZX145W-6. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 33U if...
A compact tracked excavator from Hitachi's smaller size class, used for groundworks, drainage and landscaping jobs too tight for a larger machine. It is bought and sold through the used plant market rather than as a current Hitachi catalogue model.
Listed by
- Plant Sales Northern Ireland | P & A Plant Sales - Ballynahinch
Buy or hire the ZX145W-6 if...
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
Common questions
What is the difference between the Hitachi 33U and the Hitachi ZX145W-6?
The Hitachi 33U is a mini excavator, approximately 3 tonne class; the Hitachi ZX145W-6 is a 14-17 tonne wheeled excavator.
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