Head to head
Komatsu D51PX vs Wacker Neuson ET42
The Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class. The Wacker Neuson ET42 is a midi excavator, 3 to 6 tonnes.
Last reviewed 13 September 2026
Specifications side by side
| Komatsu D51PX | Wacker Neuson ET42 | |
|---|---|---|
| Operating weight | 14,180kg | 4,032 to 5,206 kg |
| Class | 14 tonne | - |
| Breakout force | - | 43.8 kN |
| Length | - | 5,594 mm |
| Dig depth | - | 3,544 mm |
| Width | - | 1,750 mm |
| Height | - | 2,608 mm |
| Engine power | - | 32.5 kW |
Sources: Komatsu D51PX, Wacker Neuson ET42. 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 ET42 if...
A midi excavator for groundworks, utilities and landscaping contractors. At 4.0 tonnes it arrives on a lorry rather than behind a car. It digs to 3,544 mm.
Listed by
- GEM Plant Sales Limited - Ashford, Sevington, Willesborough
Common questions
What is the difference between the Komatsu D51PX and the Wacker Neuson ET42?
The Komatsu D51PX is a low ground pressure crawler dozer, 14 tonne class; the Wacker Neuson ET42 is a midi excavator, 3 to 6 tonnes.
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