Head to head
Hitachi ZX33U-6 vs Kubota KX037-4
The Hitachi ZX33U-6 has 1kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Hitachi ZX33U-6 has 1kW more power.
Specifications side by side
| Hitachi ZX33U-6 | Kubota KX037-4 | |
|---|---|---|
| Operating weight | 3,320 - 3,720kg | 3518 kg |
| Dig depth | 2,790 - 3,130mm | 3410 mm |
| Engine power | 18.8kW | 17.8 kw |
| Width | - | 1550 mm |
Sources: Hitachi ZX33U-6, Kubota KX037-4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX33U-6 if...
- you want one that has 1kW more power
A general-purpose mini digger for landscaping, utilities and small groundworks contractors who need to work in gardens, driveways and other access-restricted sites. Its zero tail swing lets it turn on the spot without swinging into fences or walls.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Buy or hire the KX037-4 if...
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 Hitachi ZX33U-6 and the Kubota KX037-4?
The Hitachi ZX33U-6 has 1kW more power. The Hitachi ZX33U-6 is a 3.3-3.7 tonne zero tail swing mini excavator; the Kubota KX037-4 is a 3.5 tonne class mini excavator.
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