Head to head
Hitachi ZX145W-6 vs Kubota KX037-4
The Hitachi ZX145W-6 has 87kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Hitachi ZX145W-6 has 87kW more power.
Specifications side by side
| Hitachi ZX145W-6 | Kubota KX037-4 | |
|---|---|---|
| Operating weight | 15,000 - 17,200kg | 3518 kg |
| Dig depth | 5,520 - 5,770mm | 3410 mm |
| Engine power | 105kW (ISO14396) | 17.8 kw |
| Width | - | 1550 mm |
Sources: Hitachi ZX145W-6, Kubota KX037-4. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX145W-6 if...
- you want one that has 87kW more power
Suits municipal and utility contractors who need a mobile, road-going digger for drainage and reinstatement work spread across several sites in a day. The wheeled undercarriage trades some stability for speed between jobs.
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 ZX145W-6 and the Kubota KX037-4?
The Hitachi ZX145W-6 has 87kW more power. The Hitachi ZX145W-6 is a 14-17 tonne wheeled excavator; the Kubota KX037-4 is a 3.5 tonne class mini excavator.
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