Head to head
Kubota KX030-4 vs Kubota KX080-4a
The Kubota KX080-4a is the bigger machine by 5,450kg and has 29kW more power.
Last reviewed 13 September 2026


Key differences
- Operating weight: the Kubota KX080-4a is the bigger machine by 5,450kg.
- Engine power: the Kubota KX080-4a has 29kW more power.
Specifications side by side
| Kubota KX030-4 | Kubota KX080-4a | |
|---|---|---|
| Operating weight | 2790 kg | 8240kg |
| Engine power | 17.7 kw | 63.2PS |
| Dig depth | 2870 mm | - |
| Width | 1500 mm | - |
Sources: Kubota KX030-4, Kubota KX080-4a. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the KX030-4 if...
A 3 tonne class digger for hire fleets, groundworkers and landscapers on trenching, drainage and foundation work in confined spaces. The reduced overhang helps on tight sites.
Full KX030-4 specifications →Buy or hire the KX080-4a if...
- you want one that is the bigger machine by 5,450kg
- you want one that has 29kW 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
- Compact Plant Sales - Farnham
- Standard Plant Hire - Keston
Common questions
What is the difference between the Kubota KX030-4 and the Kubota KX080-4a?
The Kubota KX080-4a is the bigger machine by 5,450kg and has 29kW more power. The Kubota KX030-4 is a 2.8 tonne class 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.
