Head to head
Kubota KX030-4 vs Kubota U17-3a
The Kubota KX030-4 is the bigger machine by 1,090kg and has 6kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Kubota KX030-4 is the bigger machine by 1,090kg.
- Engine power: the Kubota KX030-4 has 6kW more power.
- Dig depth: the Kubota KX030-4 digs 41cm (1.5ft) deeper.
Specifications side by side
| Kubota KX030-4 | Kubota U17-3a | |
|---|---|---|
| Operating weight | 2790 kg | 1,700kg |
| Dig depth | 2870 mm | 2,460mm |
| Engine power | 17.7 kw | 11.3kW |
| Width | 1500 mm | - |
Sources: Kubota KX030-4, Kubota U17-3a. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the KX030-4 if...
- you want one that is the bigger machine by 1,090kg
- you want one that has 6kW more power
- you want one that digs 41cm (1.5ft) deeper
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 U17-3a if...
A step up from a micro excavator for landscaping and groundworks contractors who need more dig depth and breakout force while still fitting through a standard gate or gap. Common on garden and small drainage jobs.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
- Compact Plant Sales - Farnham
- Beaver Tool Hire - Isleworth, Twickenham
- Standard Plant Hire - Keston
- HG Plant Sales - Maldon, Langford
Common questions
What is the difference between the Kubota KX030-4 and the Kubota U17-3a?
The Kubota KX030-4 is the bigger machine by 1,090kg and has 6kW more power. The Kubota KX030-4 is a 2.8 tonne class mini excavator; the Kubota U17-3a is a 1.7 tonne mini excavator.
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