Head to head
Komatsu D51PX vs Yanmar ViO57-6B
The Komatsu D51PX is the bigger machine by 8,695kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Komatsu D51PX is the bigger machine by 8,695kg.
Specifications side by side
| Komatsu D51PX | Yanmar ViO57-6B | |
|---|---|---|
| Operating weight | 14,180kg | 5485 kg |
| Class | 14 tonne | - |
| Engine power | - | 33,5 kW (at 2200 rpm) |
| Breakout force | - | 41,9 kN |
| Fuel tank | - | 66 l |
Sources: Komatsu D51PX, Yanmar ViO57-6B. 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 8,695kg
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 ViO57-6B if...
A 5 to 6 tonne zero-tail swing digger for civils and groundworks contractors on deeper trenching, pipe laying and loading. Hire fleets use it where space is tight but a bigger machine is needed.
Full ViO57-6B specifications →Common questions
What is the difference between the Komatsu D51PX and the Yanmar ViO57-6B?
The Komatsu D51PX is the bigger machine by 8,695kg. The Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class; the Yanmar ViO57-6B is a 5.5 tonne zero-tail mini excavator.
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.