Head to head
Hitachi ZX220W-5B vs Komatsu D51PX
The Hitachi ZX220W-5B is a 24 tonne wheeled excavator with two-piece boom. The Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class.
Last reviewed 13 September 2026
Specifications side by side
| Hitachi ZX220W-5B | Komatsu D51PX | |
|---|---|---|
| Operating weight | 21,400 - 24,000kg | 14,180kg |
| Engine power | 122kW | - |
| Class | - | 14 tonne |
Sources: Hitachi ZX220W-5B, Komatsu D51PX. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX220W-5B if...
A heavier wheeled excavator for contractors who need crawler-excavator-like dig performance with road mobility, such as sewer renewal and larger utility schemes. The two-piece boom gives more flexible reach over obstacles than a monoblock design.
Listed by
- McGovern Plant Hire - Hounslow, Cranford
Buy or hire the D51PX if...
A mid-size dozer built with wider, low ground pressure tracks for soft or wet ground. Groundworks and landfill contractors choose the PX variant over a standard-track D51 where the ground itself would otherwise bog a machine down.
Listed by
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Common questions
What is the difference between the Hitachi ZX220W-5B and the Komatsu D51PX?
The Hitachi ZX220W-5B is a 24 tonne wheeled excavator with two-piece boom; the Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class.
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