Head to head
Kubota U17-3a vs Kubota U50-5
The Kubota U50-5 has 29kW more power and is the bigger machine by 3,075kg.
Last reviewed 13 September 2026


Key differences
- Engine power: the Kubota U50-5 has 29kW more power.
- Operating weight: the Kubota U50-5 is the bigger machine by 3,075kg.
- Dig depth: the Kubota U50-5 digs 91cm (3ft) deeper.
Specifications side by side
| Kubota U17-3a | Kubota U50-5 | |
|---|---|---|
| Operating weight | 1,700kg | 4,775kg |
| Dig depth | 2,460mm | 3,370mm |
| Engine power | 11.3kW | 40.4kW |
Sources: Kubota U17-3a, Kubota U50-5. 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 U50-5 if...
- you want one that has 29kW more power
- you want one that is the bigger machine by 3,075kg
- you want one that digs 91cm (3ft) deeper
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
Common questions
What is the difference between the Kubota U17-3a and the Kubota U50-5?
The Kubota U50-5 has 29kW more power and is the bigger machine by 3,075kg. The Kubota U17-3a is a 1.7 tonne mini excavator; the Kubota U50-5 is a 4.8 tonne mini excavator.
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.
