Head to head
JCB 35Z-1 vs Komatsu D51PX
The Komatsu D51PX is the bigger machine by 10,624kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Komatsu D51PX is the bigger machine by 10,624kg.
Specifications side by side
| JCB 35Z-1 | Komatsu D51PX | |
|---|---|---|
| Operating weight | 3556 kg | 14,180kg |
| Dig depth | 3.48 m | - |
| Dump height | 3.53 m | - |
| Engine power | 18.4 kW | - |
| Class | - | 14 tonne |
Sources: JCB 35Z-1, Komatsu D51PX. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 35Z-1 if...
A common step up from the 2 to 3 tonne diggers for house foundations, utility trenching and landscaping on tight urban sites. Zero tailswing lets it slew close to walls and traffic.
Full 35Z-1 specifications →Buy or hire the D51PX if...
- you want one that is the bigger machine by 10,624kg
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 JCB 35Z-1 and the Komatsu D51PX?
The Komatsu D51PX is the bigger machine by 10,624kg. The JCB 35Z-1 is a 3.5 tonne zero-tailswing mini 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.