Head to head
Hitachi ZX135USB-7 vs Kubota U50-5
The Hitachi ZX135USB-7 is the bigger machine by 9,025kg and has 34kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Hitachi ZX135USB-7 is the bigger machine by 9,025kg.
- Engine power: the Hitachi ZX135USB-7 has 34kW more power.
Specifications side by side
| Hitachi ZX135USB-7 | Kubota U50-5 | |
|---|---|---|
| Operating weight | 13,800 - 16,000kg | 4,775kg |
| Engine power | 74kW (ISO14396) / 73kW (ISO9249) | 40.4kW |
| Dig depth | - | 3,370mm |
Sources: Hitachi ZX135USB-7, Kubota U50-5. 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 9,025kg
- you want one that has 34kW 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 U50-5 if...
A mid-size mini excavator for groundworkers who need more reach and dig depth than the smaller Kubota models while still keeping a compact machine for site access. Suits drainage, footings and utility trenching.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
- Standard Plant Hire - Keston
Common questions
What is the difference between the Hitachi ZX135USB-7 and the Kubota U50-5?
The Hitachi ZX135USB-7 is the bigger machine by 9,025kg and has 34kW more power. The Hitachi ZX135USB-7 is a 13 tonne zero tail swing crawler excavator; the Kubota U50-5 is a 4.8 tonne mini excavator.
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