Head to head
Kubota U17-3a vs Kubota U55-4
The Kubota U55-4 is the bigger machine by 3.7 tonnes and has 22kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Kubota U55-4 is the bigger machine by 3.7 tonnes.
- Engine power: the Kubota U55-4 has 22kW more power.
Specifications side by side
| Kubota U17-3a | Kubota U55-4 | |
|---|---|---|
| Operating weight | 1,700kg | 5400kg |
| Engine power | 11.3kW | 46PS |
| Dig depth | 2,460mm | - |
Sources: Kubota U17-3a, Kubota U55-4. Figures vary by model year and options, so check with the supplier before you commit.
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
- Standard Plant Hire - Keston
Buy or hire the U55-4 if...
- you want one that is the bigger machine by 3.7 tonnes
- you want one that has 22kW 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 U17-3a and the Kubota U55-4?
The Kubota U55-4 is the bigger machine by 3.7 tonnes and has 22kW more power. The Kubota U17-3a is a 1.7 tonne mini excavator; the Kubota U55-4 is a midi excavator, 3 to 6 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.