Head to head
JCB 50Z-2 vs Kubota KX018-4
The JCB 50Z-2 digs 1.27m (4ft) deeper.
Last reviewed 6 October 2026
Key differences
- Dig depth: the JCB 50Z-2 digs 1.27m (4ft) deeper.
Specifications side by side
| JCB 50Z-2 | Kubota KX018-4 | |
|---|---|---|
| Operating weight | 5030 kg | up to 1720kg |
| Dig depth | 3.65 m | 2380mm |
| Engine power | 36 kW | - |
| Dump height | 4.08 m | - |
| Width | - | 1300mm |
Sources: JCB 50Z-2, Kubota KX018-4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 50Z-2 if...
- you want one that digs 1.27m (4ft) deeper
A zero tailswing digger for utility trenching, house foundations and road edge work where the rear of the machine has to stay inside the track width. It is used on civils sites and hire fleets that want a 5 tonne class machine.
Full 50Z-2 specifications →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 →Common questions
What is the difference between the JCB 50Z-2 and the Kubota KX018-4?
The JCB 50Z-2 digs 1.27m (4ft) deeper. The JCB 50Z-2 is a 5 tonne zero tailswing mini excavator; the Kubota KX018-4 is a 1.5 tonne class mini excavator.
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