Head to head
Kubota KX018-4 vs Kubota U50-5
The Kubota U50-5 is the bigger machine by 3,055kg and digs 99cm (3ft) deeper.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Kubota U50-5 is the bigger machine by 3,055kg.
- Dig depth: the Kubota U50-5 digs 99cm (3ft) deeper.
Specifications side by side
| Kubota KX018-4 | Kubota U50-5 | |
|---|---|---|
| Operating weight | up to 1720kg | 4,775kg |
| Dig depth | 2380mm | 3,370mm |
| Width | 1300mm | - |
| Engine power | - | 40.4kW |
Sources: Kubota KX018-4, Kubota U50-5. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the KX018-4 if...
The 1.5 tonne class is the busiest size in UK hire fleets. At 1,720kg it goes on a braked plant trailer behind a large 4x4 or pickup, and digs to 2380mm for footings, drainage runs and fence posts.
Full KX018-4 specifications →Buy or hire the U50-5 if...
- you want one that is the bigger machine by 3,055kg
- you want one that digs 99cm (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 KX018-4 and the Kubota U50-5?
The Kubota U50-5 is the bigger machine by 3,055kg and digs 99cm (3ft) deeper. The Kubota KX018-4 is a 1.5 tonne class mini excavator; the Kubota U50-5 is a 4.8 tonne mini excavator.
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