Head to head
Komatsu D51PX vs Kubota KX080-4a
The Komatsu D51PX is the bigger machine by 5,940kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Komatsu D51PX is the bigger machine by 5,940kg.
Specifications side by side
| Komatsu D51PX | Kubota KX080-4a | |
|---|---|---|
| Operating weight | 14,180kg | 8240kg |
| Class | 14 tonne | - |
| Engine power | - | 63.2PS |
Sources: Komatsu D51PX, Kubota KX080-4a. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D51PX if...
- you want one that is the bigger machine by 5,940kg
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
Buy or hire the KX080-4a if...
A 6 to 10 tonne machine for site clearance, drainage and bulk digging, often run with a dumper alongside. At 8.2 tonnes it moves on a lorry or low-loader.
Listed by
- Compact Plant Sales - Farnham
- Standard Plant Hire - Keston
Common questions
What is the difference between the Komatsu D51PX and the Kubota KX080-4a?
The Komatsu D51PX is the bigger machine by 5,940kg. The Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class; the Kubota KX080-4a is a tracked excavator, 6 to 10 tonnes.
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.