Head to head
Hitachi ZX145W-6 vs Kubota U20
The Hitachi ZX145W-6 has 92kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Hitachi ZX145W-6 has 92kW more power.
Specifications side by side
| Hitachi ZX145W-6 | Kubota U20 | |
|---|---|---|
| Engine power | 105kW (ISO14396) | 13.5kW / 19hp |
| Operating weight | 15,000 - 17,200kg | - |
| Dig depth | 5,520 - 5,770mm | - |
| Machine weight | - | 2,380kg (cab) / 2,180kg (canopy) |
| Max dig depth | - | 2,540mm |
| Max width | - | 1,500mm |
| Travel speed | - | 2.2 / 4.2km/h |
Sources: Hitachi ZX145W-6, Kubota U20. 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 92kW 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 U20 if...
A compact zero-tailswing excavator sized to fit through a domestic gateway, used for groundworks, drainage and garden landscaping jobs where space is tight.
Listed by
- West Sussex Plant Hire - Hassocks, Keymer
Common questions
What is the difference between the Hitachi ZX145W-6 and the Kubota U20?
The Hitachi ZX145W-6 has 92kW more power. The Hitachi ZX145W-6 is a 14-17 tonne wheeled excavator; the Kubota U20 is a 2-tonne class mini excavator.
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