Head to head
Hitachi ZX33U-6 vs Kubota KX080-4a
The Kubota KX080-4a is the bigger machine by 4,920kg and has 28kW more power.
Last reviewed 13 September 2026

Key differences
- Operating weight: the Kubota KX080-4a is the bigger machine by 4,920kg.
- Engine power: the Kubota KX080-4a has 28kW more power.
Specifications side by side
| Hitachi ZX33U-6 | Kubota KX080-4a | |
|---|---|---|
| Operating weight | 3,320 - 3,720kg | 8240kg |
| Engine power | 18.8kW | 63.2PS |
| Dig depth | 2,790 - 3,130mm | - |
Sources: Hitachi ZX33U-6, Kubota KX080-4a. 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 KX080-4a if...
- you want one that is the bigger machine by 4,920kg
- you want one that has 28kW more power
A 6 to 10 tonne machine for site clearance, drainage and bulk digging, often run with a dumper alongside. At 8.2 tonnes it moves on a lorry or low-loader.
Listed by
- Standard Plant Hire - Keston
Common questions
What is the difference between the Hitachi ZX33U-6 and the Kubota KX080-4a?
The Kubota KX080-4a is the bigger machine by 4,920kg and has 28kW more power. The Hitachi ZX33U-6 is a 3.3-3.7 tonne zero tail swing mini excavator; the Kubota KX080-4a is a tracked excavator, 6 to 10 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.
