Head to head
Kubota KX030-4 vs Kubota U55-4
The Kubota U55-4 is the bigger machine by 2,610kg and has 16kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Kubota U55-4 is the bigger machine by 2,610kg.
- Engine power: the Kubota U55-4 has 16kW more power.
Specifications side by side
| Kubota KX030-4 | Kubota U55-4 | |
|---|---|---|
| Operating weight | 2790 kg | 5400kg |
| Engine power | 17.7 kw | 46PS |
| Dig depth | 2870 mm | - |
| Width | 1500 mm | - |
Sources: Kubota KX030-4, Kubota U55-4. 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 U55-4 if...
- you want one that is the bigger machine by 2,610kg
- you want one that has 16kW more power
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 Kubota KX030-4 and the Kubota U55-4?
The Kubota U55-4 is the bigger machine by 2,610kg and has 16kW more power. The Kubota KX030-4 is a 2.8 tonne class mini excavator; the Kubota U55-4 is a midi excavator, 3 to 6 tonnes.
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