Head to head
Caterpillar D3 vs Wacker Neuson ET42
The Caterpillar D3 has 45kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Caterpillar D3 has 45kW more power.
Specifications side by side
| Caterpillar D3 | Wacker Neuson ET42 | |
|---|---|---|
| Operating weight | 9362kg (20,640lb) | 4,032 to 5,206 kg |
| Engine power | 77.6kW (104hp) | 32.5 kW |
| Blade capacity | 2.19m3, or 2.34m3 with LGP tracks | - |
| Engine | Cat C3.6 | - |
| Breakout force | - | 43.8 kN |
| Length | - | 5,594 mm |
| Dig depth | - | 3,544 mm |
| Width | - | 1,750 mm |
| Height | - | 2,608 mm |
Sources: Caterpillar D3, Wacker Neuson ET42. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D3 if...
- you want one that has 45kW more power
Caterpillar's smallest crawler dozer, used for fine grading, landscaping and confined-site work where a full-size dozer won't fit. Common in UK plant hire fleets alongside mini excavators.
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 Caterpillar D3 and the Wacker Neuson ET42?
The Caterpillar D3 has 45kW more power. The Caterpillar D3 is a small crawler dozer; the Wacker Neuson ET42 is a midi excavator, 3 to 6 tonnes.
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