Head to head
Hitachi ZX33U-6 vs Kubota U55-4
The Kubota U55-4 has 15kW more power and is the bigger machine by 2,080kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Kubota U55-4 has 15kW more power.
- Operating weight: the Kubota U55-4 is the bigger machine by 2,080kg.
Specifications side by side
| Hitachi ZX33U-6 | Kubota U55-4 | |
|---|---|---|
| Operating weight | 3,320 - 3,720kg | 5400kg |
| Engine power | 18.8kW | 46PS |
| Dig depth | 2,790 - 3,130mm | - |
Sources: Hitachi ZX33U-6, Kubota U55-4. Figures vary by model year and options, so check with the supplier before you commit.
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
Buy or hire the U55-4 if...
- you want one that has 15kW more power
- you want one that is the bigger machine by 2,080kg
A midi excavator for groundworks, utilities and landscaping contractors. At 5.4 tonnes it arrives on a lorry rather than behind a car.
Full U55-4 specifications →Common questions
What is the difference between the Hitachi ZX33U-6 and the Kubota U55-4?
The Kubota U55-4 has 15kW more power and is the bigger machine by 2,080kg. The Hitachi ZX33U-6 is a 3.3-3.7 tonne zero tail swing mini excavator; the Kubota U55-4 is a midi excavator, 3 to 6 tonnes.
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