Head to head
Komatsu D51PX vs Wacker Neuson ET145
The Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class. The Wacker Neuson ET145 is a full-size tracked excavator.
Last reviewed 13 September 2026
Specifications side by side
| Komatsu D51PX | Wacker Neuson ET145 | |
|---|---|---|
| Operating weight | 14,180kg | 15,551 to 17,275 kg |
| Class | 14 tonne | - |
| Breakout force | - | 91 kN |
| Length | - | 7,788 mm |
| Dig depth | - | 5,442 mm |
| Width | - | 2,490 mm |
| Height | - | 2,786 mm |
| Engine power | - | 55 kW |
Sources: Komatsu D51PX, Wacker Neuson ET145. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D51PX if...
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 ET145 if...
A full-size excavator for civil engineering, bulk earthmoving and demolition. At 15.6 tonnes it moves on a low-loader and is often hired with an operator. It digs to 5,442 mm.
Listed by
- GEM Plant Sales Limited - Ashford, Sevington, Willesborough
Common questions
What is the difference between the Komatsu D51PX and the Wacker Neuson ET145?
The Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class; the Wacker Neuson ET145 is a full-size tracked excavator.
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