Head to head
JCB 86C-2 vs Komatsu D51PX
The Komatsu D51PX is the bigger machine by 5,580kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Komatsu D51PX is the bigger machine by 5,580kg.
Specifications side by side
| JCB 86C-2 | Komatsu D51PX | |
|---|---|---|
| Operating weight | 8600 kg | 14,180kg |
| Dig depth | 4.52 m | - |
| Dump height | 5.39 m | - |
| Engine power | 48 kW | - |
| Class | - | 14 tonne |
Sources: JCB 86C-2, Komatsu D51PX. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 86C-2 if...
Used by groundworks and civils contractors for deeper trenching, pipe laying and loading on housing and utility sites. Hire fleets stock it as the step between mini diggers and full-size excavators.
Full 86C-2 specifications →Buy or hire the D51PX if...
- you want one that is the bigger machine by 5,580kg
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 86C-2 and the Komatsu D51PX?
The Komatsu D51PX is the bigger machine by 5,580kg. The JCB 86C-2 is a 8.6 tonne conventional-tailswing midi 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.