Head to head
Komatsu D51PX vs Volvo Construction Equipment ECR25D
The Komatsu D51PX is the bigger machine by 11,690kg.
Last reviewed 13 September 2026
Key differences
- Operating weight: the Komatsu D51PX is the bigger machine by 11,690kg.
Specifications side by side
| Komatsu D51PX | Volvo Construction Equipment ECR25D | |
|---|---|---|
| Operating weight | 14,180kg | 2,490 kg (ISO 6016) |
| Class | 14 tonne | - |
| Dig depth | - | 2,672 mm (1,050mm arm); 2,965 mm (1,350mm arm) |
| Engine power | - | 15.6 kW (21.2 hp) at 2,400 rpm |
Sources: Komatsu D51PX, Volvo Construction Equipment ECR25D. 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 11,690kg
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 ECR25D if...
The Volvo ECR25D is Volvo CE's short-swing mini excavator in the popular UK 2.5-3 tonne hire class, competing for the same jobs as the Kubota U27-4 and similarly sized Takeuchi and JCB machines. Its short-radius superstructure lets the counterweight stay close to the tracks when slewing, useful on confined urban and residential sites. It is sold across Great Britain exclusively through SMT GB's dealer network.
Full ECR25D specifications →Common questions
What is the difference between the Komatsu D51PX and the Volvo Construction Equipment ECR25D?
The Komatsu D51PX is the bigger machine by 11,690kg. The Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class; the Volvo Construction Equipment ECR25D is a a 2.5-3.0 tonne short-swing mini excavator.
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