Head to head
Kubota U50-5 vs Kubota U55-4
The Kubota U50-5 has 7kW more power. The Kubota U55-4 is the bigger machine by 625kg.
Last reviewed 13 September 2026
Key differences
- Engine power: the Kubota U50-5 has 7kW more power.
- Operating weight: the Kubota U55-4 is the bigger machine by 625kg.
Specifications side by side
| Kubota U50-5 | Kubota U55-4 | |
|---|---|---|
| Operating weight | 4,775kg | 5400kg |
| Engine power | 40.4kW | 46PS |
| Dig depth | 3,370mm | - |
Sources: Kubota U50-5, Kubota U55-4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the U50-5 if...
- you want one that has 7kW more power
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
Buy or hire the U55-4 if...
- you want one that is the bigger machine by 625kg
A midi excavator for groundworks, utilities and landscaping contractors. At 5.4 tonnes it arrives on a lorry rather than behind a car.
Full U55-4 specifications →Common questions
What is the difference between the Kubota U50-5 and the Kubota U55-4?
The Kubota U50-5 has 7kW more power. The Kubota U55-4 is the bigger machine by 625kg. The Kubota U50-5 is a 4.8 tonne mini excavator; the Kubota U55-4 is a midi excavator, 3 to 6 tonnes.
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