Head to head
Cormidi C85 vs Komatsu D51PX
The Komatsu D51PX is the bigger machine by 13,614kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Komatsu D51PX is the bigger machine by 13,614kg.
Specifications side by side
| Cormidi C85 | Komatsu D51PX | |
|---|---|---|
| Operating weight | 566kg | 14,180kg |
| Load capacity | 800kg | - |
| Engine | Honda GX390 petrol 13hp or Yanmar LN100 diesel 10hp | - |
| Dimensions | 1,926mm long x 810mm wide x 1,336mm high | - |
| Skip capacity | 0.36m3, tips to 1.5m | - |
| Travel speed | 5.5km/h | - |
| Class | - | 14 tonne |
Sources: Cormidi C85, Komatsu D51PX. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the C85 if...
A compact tracked dumper narrow enough for a garden gate, used by landscapers and groundworkers to move soil, aggregate or waste on sites a full-size dumper cannot access. The high-tip skip lets it load straight into a waiting skip or trailer.
Listed by
- West Sussex Plant Hire - Hassocks, Keymer
Buy or hire the D51PX if...
- you want one that is the bigger machine by 13,614kg
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 Cormidi C85 and the Komatsu D51PX?
The Komatsu D51PX is the bigger machine by 13,614kg. The Cormidi C85 is a tracked mini dumper; the Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class.
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