Head to head
Kubota KX030-4 vs Kubota KX037-4
The Kubota KX037-4 is the bigger machine by 728kg and digs 54cm (2ft) deeper.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Kubota KX037-4 is the bigger machine by 728kg.
- Dig depth: the Kubota KX037-4 digs 54cm (2ft) deeper.
- Width: the Kubota KX037-4 is 5cm wider.
- Engine power: the Kubota KX037-4 has 0kW more power.
Specifications side by side
| Kubota KX030-4 | Kubota KX037-4 | |
|---|---|---|
| Operating weight | 2790 kg | 3518 kg |
| Dig depth | 2870 mm | 3410 mm |
| Width | 1500 mm | 1550 mm |
| Engine power | 17.7 kw | 17.8 kw |
Sources: Kubota KX030-4, Kubota KX037-4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the KX030-4 if...
A 3 tonne class digger for hire fleets, groundworkers and landscapers on trenching, drainage and foundation work in confined spaces. The reduced overhang helps on tight sites.
Full KX030-4 specifications →Buy or hire the KX037-4 if...
- you want one that is the bigger machine by 728kg
- you want one that digs 54cm (2ft) deeper
- you want one that is 5cm wider
- you want one that has 0kW more power
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 Kubota KX030-4 and the Kubota KX037-4?
The Kubota KX037-4 is the bigger machine by 728kg and digs 54cm (2ft) deeper. The Kubota KX030-4 is a 2.8 tonne class mini excavator; the Kubota KX037-4 is a 3.5 tonne class mini excavator.
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