Head to head
Hitachi ZX135USB-7 vs Komatsu D51PX
The Hitachi ZX135USB-7 is a 13 tonne zero tail swing crawler excavator. The Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class.
Last reviewed 13 September 2026
Specifications side by side
| Hitachi ZX135USB-7 | Komatsu D51PX | |
|---|---|---|
| Operating weight | 13,800 - 16,000kg | 14,180kg |
| Engine power | 74kW (ISO14396) / 73kW (ISO9249) | - |
| Class | - | 14 tonne |
Sources: Hitachi ZX135USB-7, Komatsu D51PX. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the ZX135USB-7 if...
Built for sites with tight working margins - roadside, urban and confined yards - where a swinging counterweight would foul walls, parked vehicles or passing traffic. Popular with utility and demolition contractors working close to structures.
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 ZX135USB-7 and the Komatsu D51PX?
The Hitachi ZX135USB-7 is a 13 tonne zero tail swing crawler excavator; the Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.