Head to head
Hitachi ZX135USB-7 vs Kubota U55-4
The Hitachi ZX135USB-7 is the bigger machine by 8.4 tonnes and has 40kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Hitachi ZX135USB-7 is the bigger machine by 8.4 tonnes.
- Engine power: the Hitachi ZX135USB-7 has 40kW more power.
Specifications side by side
| Hitachi ZX135USB-7 | Kubota U55-4 | |
|---|---|---|
| Operating weight | 13,800 - 16,000kg | 5400kg |
| Engine power | 74kW (ISO14396) / 73kW (ISO9249) | 46PS |
Sources: Hitachi ZX135USB-7, Kubota U55-4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX135USB-7 if...
- you want one that is the bigger machine by 8.4 tonnes
- you want one that has 40kW more power
Built for sites with tight working margins - roadside, urban and confined yards - where a swinging counterweight would foul walls, parked vehicles or passing traffic. Popular with utility and demolition contractors working close to structures.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
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 ZX135USB-7 and the Kubota U55-4?
The Hitachi ZX135USB-7 is the bigger machine by 8.4 tonnes and has 40kW more power. The Hitachi ZX135USB-7 is a 13 tonne zero tail swing crawler excavator; the Kubota U55-4 is a midi excavator, 3 to 6 tonnes.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.