Head to head
Hitachi ZX75US-5 vs Kubota U55-4
The Hitachi ZX75US-5 is the bigger machine by 3,330kg and has 9kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Hitachi ZX75US-5 is the bigger machine by 3,330kg.
- Engine power: the Hitachi ZX75US-5 has 9kW more power.
Specifications side by side
| Hitachi ZX75US-5 | Kubota U55-4 | |
|---|---|---|
| Operating weight | 8730kg (19,244lb) | 5400kg |
| Engine power | 42.4kW (56.9hp) | 46PS |
| Max digging depth | 4.61m (15'1") | - |
Sources: Hitachi ZX75US-5, Kubota U55-4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX75US-5 if...
- you want one that is the bigger machine by 3,330kg
- you want one that has 9kW more power
A 7-8 tonne excavator with a reduced tail swing radius, letting it work close to walls and in restricted urban sites. A common size in UK plant hire fleets for groundworks and drainage.
Listed by
- Red Plant Sales Ltd - Colchester, Frating
Buy or hire the U55-4 if...
A midi excavator for groundworks, utilities and landscaping contractors. At 5.4 tonnes it arrives on a lorry rather than behind a car.
Listed by
- Yorkshire Plant Sales - Wakefield, Leeds
Common questions
What is the difference between the Hitachi ZX75US-5 and the Kubota U55-4?
The Hitachi ZX75US-5 is the bigger machine by 3,330kg and has 9kW more power. The Hitachi ZX75US-5 is a reduced tail swing excavator; the Kubota U55-4 is a midi excavator, 3 to 6 tonnes.
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