Head to head
Caterpillar D4K2 vs Wacker Neuson ET18
The Caterpillar D4K2 has 55kW more power.
Last reviewed 13 September 2026
Key differences
- Engine power: the Caterpillar D4K2 has 55kW more power.
Specifications side by side
| Caterpillar D4K2 | Wacker Neuson ET18 | |
|---|---|---|
| Operating weight | 8,168kg (XL) / 8,476kg (LGP) | 1,725 to 2,405 kg |
| Engine power | 92hp (68.8kW), Cat C4.4 ACERT | 13.8 kW |
| Blade capacity | 1.98m3 (XL) / 1.85m3 (LGP) | - |
| Ground pressure | 38.6kPa (XL) / 29.2kPa (LGP) | - |
| Breakout force | - | 18.8 kN |
| Length | - | 3,854 mm |
| Dig depth | - | 2,402 mm |
| Width | - | 990 mm |
| Height | - | 2,289 mm |
Sources: Caterpillar D4K2, Wacker Neuson ET18. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D4K2 if...
- you want one that has 55kW more power
Cat's smallest crawler dozer, used for grading, site clearance and landscaping where a larger machine would be too heavy or too wide. The LGP undercarriage option suits soft or wet ground.
Listed by
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Buy or hire the ET18 if...
The 1.5 tonne class is the busiest size in UK hire fleets. At 1,725kg it digs to 2,402 mm for footings, drainage runs and fence posts.
Listed by
- GEM Plant Sales Limited - Ashford, Sevington, Willesborough
Common questions
What is the difference between the Caterpillar D4K2 and the Wacker Neuson ET18?
The Caterpillar D4K2 has 55kW more power. The Caterpillar D4K2 is a small crawler dozer; the Wacker Neuson ET18 is a 1.5 tonne class mini excavator.
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