Head to head
Kubota KX018-4 vs Kubota U17-3a
The Kubota U17-3a digs 8cm deeper. The Kubota KX018-4 is the bigger machine by 20kg.
Last reviewed 13 September 2026
Key differences
- Dig depth: the Kubota U17-3a digs 8cm deeper.
- Operating weight: the Kubota KX018-4 is the bigger machine by 20kg.
Specifications side by side
| Kubota KX018-4 | Kubota U17-3a | |
|---|---|---|
| Operating weight | up to 1720kg | 1,700kg |
| Dig depth | 2380mm | 2,460mm |
| Width | 1300mm | - |
| Engine power | - | 11.3kW |
Sources: Kubota KX018-4, Kubota U17-3a. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the KX018-4 if...
- you want one that is the bigger machine by 20kg
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 U17-3a if...
- you want one that digs 8cm deeper
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
- Standard Plant Hire - Keston
Common questions
What is the difference between the Kubota KX018-4 and the Kubota U17-3a?
The Kubota U17-3a digs 8cm deeper. The Kubota KX018-4 is the bigger machine by 20kg. The Kubota KX018-4 is a 1.5 tonne class mini excavator; the Kubota U17-3a is a 1.7 tonne mini excavator.
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