Head to head
JCB 25Z-1 vs Kubota KX037-4
The Kubota KX037-4 is the bigger machine by 968kg and digs 59cm (2ft) deeper. The JCB 25Z-1 has 1kW more power.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Kubota KX037-4 is the bigger machine by 968kg.
- Dig depth: the Kubota KX037-4 digs 59cm (2ft) deeper.
- Engine power: the JCB 25Z-1 has 1kW more power.
Specifications side by side
| JCB 25Z-1 | Kubota KX037-4 | |
|---|---|---|
| Operating weight | 2550 kg | 3518 kg |
| Dig depth | 2.82 m | 3410 mm |
| Engine power | 18.4 kW | 17.8 kw |
| Dump height | 3 m | - |
| Width | - | 1550 mm |
Sources: JCB 25Z-1, Kubota KX037-4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 25Z-1 if...
- you want one that has 1kW more power
Used by hire firms and small contractors for patios, drainage, footings and work next to walls and fences where a zero-tailswing machine is needed. Sits in the weight class that can be towed on a trailer in restricted regions.
Full 25Z-1 specifications →Buy or hire the KX037-4 if...
- you want one that is the bigger machine by 968kg
- you want one that digs 59cm (2ft) deeper
A 3.5 tonne class digger used by groundworkers, utility contractors and hire fleets for trenching, foundations and landscaping. Suits sites that need more reach and lift than a 3 tonne machine.
Full KX037-4 specifications →Common questions
What is the difference between the JCB 25Z-1 and the Kubota KX037-4?
The Kubota KX037-4 is the bigger machine by 968kg and digs 59cm (2ft) deeper. The JCB 25Z-1 has 1kW more power. The JCB 25Z-1 is a 2.5 tonne zero-tailswing mini excavator; the Kubota KX037-4 is a 3.5 tonne class mini excavator.
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